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Diagnostic Trouble Codes (DTC) Index

DIAGNOSTIC TROUBLE CODES (DTC) INDEX

SAE Code VAG Code Code Description Corrective action
P0045 - Turbocharger/Supercharger Boost Control "A" Circuit/Open -- Check the Turbocharger Control Module 1 -J724-. Refer to Turbocharger 1 - VX12-, CHECKING .
P0047 - Turbocharger/Supercharger Boost Control "A" Circuit Low -- Check the Turbocharger Control Module 1 -J724-. Refer to Turbocharger 1 - VX12-, CHECKING .
P0048 - Turbocharger/Supercharger Boost Control "A" Circuit High -- Check the Turbocharger Control Module 1 -J724-. Refer to Turbocharger 1 - VX12-, CHECKING .
P0071 - Ambient Air Temperature Sensor Circuit "A" Range/Performance -- Check the Outside Air Temperature Sensor -G17-. Refer to the appropriate Repair Information.
P0072 - Ambient Air Temperature Sensor Circuit "A" Low -- Check the Outside Air Temperature Sensor -G17-. Refer to the appropriate Repair Information.
P0073 - Ambient Air Temperature Sensor Circuit "A" High -- Check the Outside Air Temperature Sensor -G17-. Refer to the appropriate Repair Information.
P0087 16471 Fuel Rail/System Pressure - Too Low Bank 1 -- Check theFuel Pressure Regulator Valve -N276-. Refer to Fuel Pressure Regulator Valve - N276-, CHECKING .-- Check the Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor -G247-, CHECKING .
P0088 16472 Fuel Rail/System Pressure - Too High Bank 1 -- Check theFuel Pressure Regulator Valve -N276-. Refer to Fuel Pressure Regulator Valve - N276-, CHECKING .-- Check the Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor -G247-, CHECKING .
P0090 - Fuel Pressure Regulator 1 Control Circuit/Open -- Check the Fuel Pressure Regulator Valve -N276-. Refer to Fuel Pressure Regulator Valve - N276-, CHECKING .
P0091 - Fuel Pressure Regulator 1 Control Circuit Low -- Check the Fuel Pressure Regulator Valve -N276-. Refer to Fuel Pressure Regulator Valve - N276-, CHECKING .
P0092 - Fuel Pressure Regulator 1 Control Circuit High -- Check the Fuel Pressure Regulator Valve -N276-. Refer to Fuel Pressure Regulator Valve - N276-, CHECKING .
P00AF - Turbocharger/Supercharger Boost Control "A" Module Performance -- Check the Turbocharger Control Module 1 -J724-. Refer to Turbocharger 1 - VX12-, CHECKING .
P00C6 - Fuel Rail Pressure Too Low - Engine Cranking Bank 1 -- Make sure there is adequate fuel in the tank. Perform the Fuel Pressure test in the Repair Information to determine if the fuel tank lift pump is operating properly. If OK: -- Check the Fuel Pressure Regulator Valve -N276-. Refer to Fuel Pressure Regulator Valve - N276-, CHECKING .-- If the engine starts and runs:-- Check the Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor -G247-, CHECKING .
P0101 16485 Mass or Volume Air Flow Sensor "A" Circuit Range/Performance -- Check the Mass Airflow Sensor -G70-. Refer to Mass Airflow Sensor - G70-, CHECKING .
P0102 16486 Mass or Volume Air Flow Sensor "A" Circuit Low -- Check the Mass Airflow Sensor -G70-. Refer to Mass Airflow Sensor - G70-, CHECKING .
P0103 16487 Mass or Volume Air Flow Sensor "A" Circuit High -- Check the Mass Airflow Sensor -G70-. Refer to Mass Airflow Sensor - G70-, CHECKING .
P0104 - Mass or Volume Air Flow Sensor "A" Circuit Intermittent -- Check the Mass Airflow Sensor -G70-. Refer to Mass Airflow Sensor - G70-, CHECKING .
P0111 16495 Intake Air Temperature Sensor 1 Circuit Range/Performance Bank 1 -- Check the Intake Air Temperature Sensor -G42-. Refer to Intake Manifold Sensor -GX9-, CHECKING .
P0112 16496 Intake Air Temperature Sensor 1 Circuit Low Bank 1 -- Check the Intake Air Temperature Sensor -G42-. Refer to Intake Manifold Sensor -GX9-, CHECKING .
P0113 16497 Intake Air Temperature Sensor 1 Circuit High Bank 1 -- Check the Intake Air Temperature Sensor -G42-. Refer to Intake Manifold Sensor -GX9-, CHECKING .
P0116 16500 Engine Coolant Temperature Sensor 1 Circuit Range/Performance -- Check the Engine Coolant Temperature Sensor -G62-. Refer to Engine Coolant Temperature Sensor -G62-, CHECKING .
P0117 16501 Engine Coolant Temperature Sensor 1 Circuit Low -- Check the Engine Coolant Temperature Sensor -G62-. Refer to Engine Coolant Temperature Sensor -G62-, CHECKING .
P0118 16502 Engine Coolant Temperature Sensor 1 Circuit High -- Check the Engine Coolant Temperature Sensor -G62-. Refer to Engine Coolant Temperature Sensor -G62-, CHECKING .
P0121 16505 Throttle/Pedal Position Sensor/Switch "A" Circuit Range/Performance -- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338-, CHECKING
P0122 16506 Throttle/Pedal Position Sensor/Switch "A" Circuit Low -- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338-, CHECKING
P0123 16507 Throttle/Pedal Position Sensor/Switch "A" Circuit High -- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338-, CHECKING
P0128 16512 Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) -- Check the thermostat for proper operation (stuck open or damaged). Refer to the Repair Information for Diagnostic.-- Check the Engine Coolant Temperature Sensor -G62-. Refer to Engine Coolant Temperature Sensor -G62-, CHECKING .
P0130 16514 O2 Sensor Circuit Bank 1 Sensor 1 -- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P0132 16516 O2 Sensor Circuit High Voltage Bank 1 Sensor 1 -- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P0133 16517 O2 Sensor Circuit Slow Response Bank 1 Sensor 1 -- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P0134 16518 O2 Sensor Circuit No Activity Detected Bank 1 Sensor 1 -- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P0135 16519 O2 Sensor Heater Circuit Bank 1 Sensor 1 -- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P016A - Excessive Time To Enter Closed Loop Air/Fuel Ratio Control -- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P0171 16555 System Too Lean Bank 1 -- Check for any sensor related codes. If a related sensor fault is set, diagnose it first. If no related sensor codes are set, check for an intake air leak (from intake duct, manifold gasket or EGR not closed fully) or check for low Fuel pressure. Refer to the Repair Information for Fuel System test procedures and cautions.
P0172 16556 System Too Rich Bank 1 -- Check for any sensor related codes. If a sensor fault is set, diagnose it first. If no related sensor codes are set, check Fuel pressure and fuel injectors. Refer to the Repair Information for Fuel System test procedures and cautions.
P0181 16565 Fuel Temperature Sensor "A" Circuit Range/Performance -- Check the Fuel Temperature Sensor -G81-. Refer to Fuel Temperature Sensor -G81-, CHECKING .
P0182 16566 Fuel Temperature Sensor "A" Circuit Low -- Check the Fuel Temperature Sensor -G81-. Refer to Fuel Temperature Sensor -G81-, CHECKING .
P0183 16567 Fuel Temperature Sensor "A" Circuit High -- Check the Fuel Temperature Sensor -G81-. Refer to Fuel Temperature Sensor -G81-, CHECKING .
P0191 16575 Fuel Rail Pressure Sensor Circuit Range/Performance Bank 1 -- Check the Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor -G247-, CHECKING .
P0192 16576 Fuel Rail Pressure Sensor Circuit Low Bank 1 -- Check Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor -G247-, CHECKING .
P0193 16577 Fuel Rail Pressure Sensor Circuit High Bank 1 -- Check Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor -G247-, CHECKING .
P01BA - Engine Oil Temperature Sensor "B" Range/Performance -- Check Oil Temperature Sensor 2 -G664-. Refer to Oil Temperature Sensor 2 - G664-, CHECKING .
P01BB - Engine Oil Temperature Sensor "B" Circuit Low -- Check Oil Temperature Sensor 2 -G664-. Refer to Oil Temperature Sensor 2 - G664-, CHECKING .
P01BC - Engine Oil Temperature Sensor "B" Circuit High -- Check Oil Temperature Sensor 2 -G664-. Refer to Oil Temperature Sensor 2 - G664-, CHECKING .
P01BD - Engine Oil Temperature Sensor "B" Circuit Intermittent/Erratic -- Check Oil Temperature Sensor 2 -G664-. Refer to Oil Temperature Sensor 2 - G664-, CHECKING .
P01E3 - Engine Coolant Temperature Sensor 3 Circuit -- Check the Engine Temperature Control Sensor -G694-. Refer to Engine Temperature Control Sensor -G694-, CHECKING .
P01E4 - Engine Coolant Temperature Sensor 3 Circuit Range/Performance -- Check the Engine Temperature Control Sensor -G694-. Refer to Engine Temperature Control Sensor -G694-, CHECKING .
P01E5 - Engine Coolant Temperature Sensor 3 Circuit Low -- Check the Engine Temperature Control Sensor -G694-. Refer to Engine Temperature Control Sensor -G694-, CHECKING .
P0201 16585 Cylinder 1 Injector "A" Circuit -- Check Fuel Injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, CHECKING .
P0202 16586 Cylinder 2 Injector "A" Circuit -- Check Fuel Injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, CHECKING .
P0203 16587 Cylinder 3 Injector "A" Circuit -- Check Fuel Injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, CHECKING .
P0204 16588 Cylinder 4 Injector "A" Circuit -- Check Fuel Injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, CHECKING .
P0205 16589 Cylinder 5 Injector "A" Circuit -- Check Fuel Injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, CHECKING .
P0206 16590 Cylinder 6 Injector "A" Circuit -- Check Fuel Injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, CHECKING .
P0234 16618 Turbocharger/Supercharger "A" Overboost Condition -- Check the Turbocharger Control Module 1 -J724-. Refer to Turbocharger 1 - VX12-, CHECKING .
P0236 16620 Turbocharger/Supercharger Boost Sensor "A" Circuit Range/Performance -- Check Charge Air Pressure Sensor -G31-. Refer to Intake Manifold Sensor -GX9-, CHECKING .
P0237 16621 Turbocharger/Supercharger Boost Sensor "A" Circuit Low -- Check Charge Air Pressure Sensor -G31-. Refer to Intake Manifold Sensor -GX9-, CHECKING .
P0238 16622 Turbocharger/Supercharger Boost Sensor "A" Circuit Highn -- Check Charge Air Pressure Sensor -G31-. Refer to Intake Manifold Sensor -GX9-, CHECKING .
P0263 16647 Cylinder 1 Contribution/Balance -- Check Fuel Injector - N33-. Refer to FUEL INJECTORS, CHECKING .-- Check cylinder compression. Refer to Repair Information.
P0266 16650 Cylinder 2 Contribution/Balance -- Check Fuel Injector - N33-. Refer to FUEL INJECTORS, CHECKING .-- Check cylinder compression. Refer to Repair Information.
P0269 16653 Cylinder 3 Contribution/Balance -- Check Fuel Injector - N33-. Refer to FUEL INJECTORS, CHECKING .-- Check cylinder compression. Refer to Repair Information.
P026A - Charge Air Cooler Efficiency Below Threshold Check for road debris on the right or left intercooler obstructing air flow. If any other related (turbocharger) fault codes are set, diagnose those codes first. -- Check the Turbocharger Control Module 1 -J724-. Refer to Turbocharger 1 - VX12-, CHECKING .
P0272 16656 Cylinder 4 Contribution/Balance -- Check Fuel Injector - N33-. Refer to FUEL INJECTORS, CHECKING .-- Check cylinder compression. Refer to Repair Information.
P0275 16659 Cylinder 5 Contribution/Balance -- Check Fuel Injector - N33-. Refer to FUEL INJECTORS, CHECKING .-- Check cylinder compression. Refer to Repair Information.
P0278 16662 Cylinder 6 Contribution/Balance -- Check Fuel Injector - N33-. Refer to FUEL INJECTORS, CHECKING .-- Check cylinder compression. Refer to Repair Information.
P0299 16683 Turbocharger/Supercharger "A" Underboost Condition Check for disconnected or damaged air duct. -- Check the Turbocharger Control Module 1 -J724-. Refer to Turbocharger 1 - VX12-, CHECKING .-- Check Charge Air Pressure Sensor -G31-. Refer to Intake Manifold Sensor -GX9-, CHECKING .
P0300 16684 Random/Multiple Cylinder Misfire Detected -- Check for fuel contamination.-- Check Engine Speed Sensor -G28-. Refer to Engine Speed Sensor -G28-, CHECKING .-- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .-- Check the Fuel Pressure. NOTE: The Fuel is under HIGH pressure. Refer to the Repair Information for procedure before disconnecting any system components.-- Check for a plugged fuel filter or restricted/kinked line. Refer to Repair Information
P0301 16685 Cylinder 1 Misfire Detected -- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .-- Check the Fuel Pressure. NOTE: The Fuel is under HIGH pressure. Refer to the Repair Information for procedure before disconnecting any system components.-- Check Engine Speed Sensor -G28-. Refer to Engine Speed Sensor -G28-, CHECKING .-- Check engine compression
P0302 16686 Cylinder 2 Misfire Detected -- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .-- Check the Fuel Pressure. NOTE: The Fuel is under HIGH pressure. Refer to the Repair Information for procedure before disconnecting any system components.-- Check Engine Speed Sensor -G28-. Refer to Engine Speed Sensor -G28-, CHECKING .-- Check engine compression
P0303 16687 Cylinder 3 Misfire Detected -- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .-- Check the Fuel Pressure. NOTE: The Fuel is under HIGH pressure. Refer to the Repair Information for procedure before disconnecting any system components.-- Check Engine Speed Sensor -G28-. Refer to Engine Speed Sensor -G28-, CHECKING .-- Check engine compression
P0304 16688 Cylinder 4 Misfire Detected -- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .-- Check the Fuel Pressure. NOTE: The Fuel is under HIGH pressure. Refer to the Repair Information for procedure before disconnecting any system components.-- Check Engine Speed Sensor -G28-. Refer to Engine Speed Sensor -G28-, CHECKING .-- Check engine compression
P0305 16689 Cylinder 5 Misfire Detected -- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .-- Check the Fuel Pressure. NOTE: The Fuel is under HIGH pressure. Refer to the Repair Information for procedure before disconnecting any system components.-- Check Engine Speed Sensor -G28-. Refer to Engine Speed Sensor -G28-, CHECKING .-- Check engine compression
P0306 16690 Cylinder 6 Misfire Detected -- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .-- Check the Fuel Pressure. NOTE: The Fuel is under HIGH pressure. Refer to the Repair Information for procedure before disconnecting any system components.-- Check Engine Speed Sensor -G28-. Refer to Engine Speed Sensor -G28-, CHECKING .-- Check engine compression
P0321 16705 Ignition/Distributor Engine Speed Input Circuit Range/Performance -- Check Engine Speed Sensor -G28-. Refer to Engine Speed Sensor -G28-, CHECKING .
P0322 16706 Ignition/Distributor Engine Speed Input Circuit No Signal -- Check Engine Speed Sensor -G28-. Refer to Engine Speed Sensor -G28-, CHECKING .
P0381 16765 Glow Plug/Heater Indicator Control Circuit/Open -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P0401 16785 EGR "A" Flow Insufficient Detected -- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR Valve 1 -GX5-, CHECKING .
P0402 16786 EGR "A" Flow Excessive Detected -- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR Valve 1 -GX5-, CHECKING .
P0403 16787 EGR "A" Control Circuit/Open -- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR Valve 1 -GX5-, CHECKING .
P0404 16788 EGR "A" Control Circuit Range/Performance -- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR Valve 1 -GX5-, CHECKING .
P0405 - EGR Sensor "A" Circuit Low -- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR Valve 1 -GX5-, CHECKING .
P040 - EGR Sensor "A" Circuit High -- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR Valve 1 -GX5-, CHECKING .
P040B - EGR Temperature Sensor "A" Circuit Range/Performance -- Check EGR Temperature Sensor -G98-. Refer to EGR Temperature Sensor -G98-, CHECKING .
P040C - EGR Temperature Sensor "A" Circuit Low -- Check EGR Temperature Sensor -G98-. Refer to EGR Temperature Sensor -G98-, CHECKING .
P040D - EGR Temperature Sensor "A" Circuit High -- Check EGR Temperature Sensor -G98-. Refer to EGR Temperature Sensor -G98-, CHECKING .
P0420 16804 Catalyst System Efficiency Below Threshold Bank 1 -- Check the Catalytic Converter. Refer to THREE WAY CATALYTIC CONVERTER (TWC), CHECKING .
P046C - EGR Sensor "A" Circuit Range/Performance -- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR Valve 1 -GX5-, CHECKING .
P04DD - Cold Start EGR "A" Flow Insufficient Detected -- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR Valve 1 -GX5-, CHECKING .
P04DE - Cold Start EGR "A" Flow Excessive Detected -- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR Valve 1 -GX5-, CHECKING .
P0501 16885 Vehicle Speed Sensor "A" Circuit Range/Performance -- Check the speed signal input. Refer to Repair Information for ABS Diagnosis of wheel speed sensor.
P0502 - Vehicle Speed Sensor "A" Circuit Low -- Check the speed signal input. Refer to Repair Information for ABS Diagnosis of wheel speed sensor.
P0506 16890 Idle Control System RPM - Lower Than Expected Check for any TSB's that may apply to this fault. If multiple codes are set, perform diagnosis for any fuel system, engine speed sensor, MAF, EGR, APP, Throttle control or MAP related faults first. -- Check the Throttle Valve Control Module. Refer to Throttle Valve Control Module -J338-, CHECKING .
P0507 16891 Idle Control System RPM - Higher Than Expected Check for any TSB's that may apply to this fault. If multiple codes are set, perform diagnosis for any fuel system, engine speed sensor, MAF, EGR, APP, Throttle control or MAP related faults first. -- Check the Throttle Valve Control Module. Refer to Throttle Valve Control Module -J338-, CHECKING .
P050A - Cold Start Idle Control System Performance Check for any TSB's that may apply to this fault. If multiple codes are set, perform diagnosis for any fuel system, engine speed sensor, MAF, EGR, APP or MAP related faults first. -- Check the Throttle Valve Control Module. Refer to Throttle Valve Control Module -J338-, CHECKING .-- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR Valve 1 -GX5-, CHECKING .
P050E - Cold Start Engine Exhaust Temperature Too Low -- Check the Exhaust Gas Temperature Sensor 1 -G235-. Refer to Exhaust Gas Temperature Sensor 1 -G235-, CHECKING .
P052F - Glow Plug Control Module 1 System Voltage -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P0544 16928 Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 1 -- Check the Exhaust Gas Temperature Sensor. Refer to Exhaust Gas Temperature Sensor 1 -G235-, CHECKING
P0545 16929 Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 1 -- Check the Exhaust Gas Temperature Sensor. Refer to Exhaust Gas Temperature Sensor 1 -G235-, CHECKING
P054E - Idle Control System - Fuel Quantity Lower Than Expected -- Check the fuel pressure. Refer to the Repair Information for fuel pressure testing procedures. -- If fuel pressure is OK, check the Fuel Metering Valve -N290-. Refer to Fuel Metering Valve -N290-, CHECKING .
P054F - Idle Control System - Fuel Quantity Higher Than Expected -- Check the fuel pressure. Refer to the Repair Information for fuel pressure testing procedures. -- If fuel pressure is OK, check the Fuel Pressure Regulator Valve -N276-. Refer to Fuel Pressure Regulator Valve - N276-, CHECKING
P0604 16988 Internal Control Module Random Access Memory (RAM) Error -- Replace the Engine Control Module -J623-. Refer to the Repair Information for procedure.
P0605 16989 Internal Control Module Read Only Memory (ROM) Error -- Replace the Engine Control Module -J623-. Refer to the Repair Information for procedure.
P0606 16990 Control Module Processor -- Replace the Engine Control Module -J623-. Refer to the Repair Information for procedure.
P0607 16991 Control Module Performance Check for any sensor or voltage related codes first and repair as necessary. If no other codes have set:-- Replace the Engine Control Module -J623-. Refer to the Repair Information for procedure.
P0634 17018 Control Module Internal Temperature "A" Too High Check for any sensor or voltage related codes first and repair as necessary. If P0634 resets: -- Replace the Engine Control Module -J623-. Refer to the Repair Information for procedure.
P0638 17022 Throttle Actuator Control Range/Performance Bank 1 -- Check the Throttle Valve Control Module. Refer to Throttle Valve Control Module -J338-, CHECKING .
P0641 17025 Sensor Reference Voltage "A" Circuit/Open Perform diagnosis on any sensor voltage high or low codes first. Doing so will ensure that there is no shorted circuit or sensor causing this voltage code to set. If no other codes have set:-- Replace the Engine Control Module -J623-. Refer to the Repair Information for procedure.
P064C - Glow Plug Control Module 1 -- Check for correct ECM software installed.-- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P0651 17035 Sensor Reference Voltage "B" Circuit/Open Perform diagnosis on any sensor voltage high or low codes first. Doing so will ensure that there is no shorted circuit or sensor causing this voltage code to set. If no other codes have set:-- Replace the Engine Control Module -J623-. Refer to the Repair Information for procedure.
P066A - Cylinder 1 Glow Plug Control Circuit Low -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P066B - Cylinder 1 Glow Plug Control Circuit High -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P066C - Cylinder 2 Glow Plug Control Circuit Low -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P066D - Cylinder 2 Glow Plug Control Circuit High -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P066E - Cylinder 3 Glow Plug Control Circuit Low -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P066F - Cylinder 3 Glow Plug Control Circuit High -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P0671 17055 Cylinder 1 Glow Plug Circuit/Open -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P0672 17056 Cylinder 2 Glow Plug Circuit/Open -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P0673 17057 Cylinder 3 Glow Plug Circuit/Open -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P0674 17057 Cylinder 4 Glow Plug Circuit/Open -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P0675 17059 Cylinder 5 Glow Plug Circuit/Open -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P0676 17060 Cylinder 6 Glow Plug Circuit/Open -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P067A - Cylinder 4 Glow Plug Control Circuit Low -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P067B - Cylinder 4 Glow Plug Control Circuit High -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P067C - Cylinder 5 Glow Plug Control Circuit Low -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P067D - Cylinder 5 Glow Plug Control Circuit High -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P067E - Cylinder 6 Glow Plug Control Circuit Low -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P067F - Cylinder 6 Glow Plug Control Circuit High -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P0683 - Glow Plug Control Module 1 to PCM Communication Circuit -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P0697 17081 Sensor Reference Voltage "C" Circuit/Open Perform diagnosis on any sensor voltage high or low codes first. Doing so will ensure that there is no shorted circuit or sensor causing this voltage code to set. If no other codes have set:-- Replace the Engine Control Module -J623-. Refer to the Repair Information for procedure.
P06B9 - Cylinder 1 Glow Plug Circuit Range/Performance -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P06BA - Cylinder 2 Glow Plug Circuit Range/Performance -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P06BB - Cylinder 3 Glow Plug Circuit Range/Performance -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P06BC - Cylinder 4 Glow Plug Circuit Range/Performance -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P06BD - Cylinder 5 Glow Plug Circuit Range/Performance -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P06BE - Cylinder 6 Glow Plug Circuit Range/Performance -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P06C5 - Cylinder 1 Glow Plug Incorrect -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P06C6 - Cylinder 2 Glow Plug Incorrect -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P06C7 - Cylinder 3 Glow Plug Incorrect -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P06C8 - Cylinder 4 Glow Plug Incorrect -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P06C9 - Cylinder 5 Glow Plug Incorrect -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P06CA - Cylinder 6 Glow Plug Incorrect -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P06E5 - Glow Plug Control Module 1 Performance -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P06FE - Cold Start Diesel Intake Air Flow Control Performance -- Check Mass Airflow Sensor -G70-. Refer to Mass Airflow Sensor - G70-, CHECKING .-- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR Valve 1 -GX5-, CHECKING .
P1419 - Exhaust Gas Recirculation Cooler Switch-over Valve 2 Short circuit to Voltage -- Check the EGR Cooler Switch-over Valve 2 N381. Refer to EGR Cooler Switch Over Valve -N345-, CHECKING
P146D - Heater 1 for Reducing Agent Sensor Short Circuit to Voltage Check the Reducing Agent Tank Heater. Refer to Reducing Agent Tank Heater (Heating Circuit 1) - Z102-, CHECKING
P146F - Heater 2 for Reducing Agent Short Circuit to battery voltage -- Check the Reducing Agent Wire Heater. Refer to Reducing Agent Line Heater (Heating Circuit 2) - Z104-, CHECKING
P148F - Exhaust Gas Recirculation Cooler Switch-Over Valve 2 Electrical malfunction -- Check the EGR Cooler Switch-over Valve 2 -N381-. Refer to EGR Cooler Switch Over Valve -N345-, CHECKING
P1499 - Exhaust Gas Recirculation Cooler Switch-over Valve 2 Open circuit/short circuit to ground -- Check the EGR Cooler Switch-over Valve 2 -N381-. Refer to EGR Cooler Switch Over Valve -N345-, CHECKING
P150A - Engine Off Timer Performance -- Check ALL power and grounds at the ECM. Refer to the wiring diagrams for location at the ECM. The ECM must have a battery power supply when the key is off to run the timer and system checks. If power and grounds are present, replace the ECM.
P169A - Transport Mode Vehicle in transport mode -- Transport mode can be turned off with a scan tool or will automatically switch off after 62.3 miles are on the vehicle.
P2002 - Particulate Filter Efficiency Below Threshold Bank 1 -- Check the Differential Pressure Sensor -G505-. Refer to Differential Pressure Sensor -G505-, CHECKING . If the pressure sensors are OK, a Service Bay Regeneration should be performed using a VAS 5052 (available for rental) or equivalent scan tool-- Refer to REGENERATION AND DIESEL PARTICULATE FILTER, CHECKING
P2004 18436 Intake Manifold Runner Control Stuck Open Bank 1 -- Check the Intake Flap Motor --. Refer to Intake Flap Control Unit -GX14-, CHECKING .
P2006 - Intake Manifold Runner Control Stuck Closed Bank 1 -- Check the Intake Flap Motor --. Refer to Intake Flap Control Unit -GX14-, CHECKING .
P2008 18440 Intake Manifold Runner Control Circuit/Open Bank 1 -- Check the Intake Flap Motor --. Refer to Intake Flap Control Unit -GX14-, CHECKING .
P2009 18441 Intake Manifold Runner Control Circuit Low Bank 1 -- Check the Intake Flap Motor --. Refer to Intake Flap Control Unit -GX14-, CHECKING .
P2010 - Intake Manifold Runner Control Circuit High Bank 1 -- Check the Intake Flap Motor --. Refer to Intake Flap Control Unit -GX14-, CHECKING .
P2015 18447 Intake Manifold Runner Position Sensor/Switch Circuit Range/Performance Bank 1 -- Check the Intake Flap Motor --. Refer to Intake Flap Control Unit -GX14-, CHECKING .
P2016 18448 Intake Manifold Runner Position Sensor/Switch Circuit Low Bank 1 -- Check the Intake Flap Motor --. Refer to Intake Flap Control Unit -GX14-, CHECKING .
P2017 18449 Intake Manifold Runner Position Sensor/Switch Circuit High Bank 1 -- Check the Intake Flap Motor --. Refer to Intake Flap Control Unit -GX14-, CHECKING .
P202A - Reductant Tank Heater Control Circuit/Open -- Check the Reducing Agent Tank Heater. Refer to Reducing Agent Tank Heater (Heating Circuit 1) - Z102-, CHECKING
P202B - Reductant Tank Heater Control Circuit Low -- Check the Reducing Agent Tank Heater. Refer to Reducing Agent Tank Heater (Heating Circuit 1) - Z102-, CHECKING
P202C - Reductant Tank Heater Control Circuit High -- Check the Reducing Agent Tank Heater. Refer to Reducing Agent Tank Heater (Heating Circuit 1) - Z102-, CHECKING
P2031 - Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 2 -- Check the Exhaust Gas Temperature Sensor 3A -G646-. Refer to Exhaust Gas Temperature Sensor 3A -G646-, CHECKING .
P2032 - Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 2 -- Check the Exhaust Gas Temperature Sensor 3A -G646-. Refer to Exhaust Gas Temperature Sensor 3A -G646-, CHECKING .
P203A - Reductant Level Sensor "A" Circuit Low -- Check the Reducing Agent Reservoir Sensor -G697-. Refer to Reducing Agent Reservoir Sensor -G697-, CHECKING .
P203B - Reductant Level Sensor "A" Circuit Range/Performance -- Check the Reducing Agent Reservoir Sensor -G697-. Refer to Reducing Agent Reservoir Sensor -G697-, CHECKING .
P2047 - Reductant Injection Valve Circuit/Open Bank 1 Unit 1 -- Check the Reduction Agent Injector --. Refer to Reducing Agent Injector - N474-, CHECKING
P2048 - Reductant Injection Valve Circuit Low Bank 1 Unit 1 -- Check the Reduction Agent Injector --. Refer to Reducing Agent Injector - N474-, CHECKING
P2049 - Reductant Injection Valve Circuit High Bank 1 Unit 1 -- Check the Reduction Agent Injector --. Refer to Reducing Agent Injector - N474-, CHECKING
P204A - Reductant Pressure Sensor Circuit -- Check the Reduction Agent Pressure Sensor --. Refer to Reducing Agent Metering System Pressure Sensor - G686-, CHECKING .
P204B - Reductant Pressure Sensor Circuit Range/Performance -- Check the Reduction Agent Pressure Sensor --. Refer to Reducing Agent Metering System Pressure Sensor - G686-, CHECKING .
P204D - Reductant Pressure Sensor Circuit High -- Check the Reduction Agent Pressure Sensor --. Refer to Reducing Agent Metering System Pressure Sensor - G686-, CHECKING .
P205A - Reductant Tank Temperature Sensor Circuit -- Check the Reducing Agent Tank Temperature Sensor --. Refer to Reducing Agent Temperature Sensor - G685-, CHECKING
P205B - Reductant Tank Temperature Sensor Circuit Range/Performance -- Check the Reducing Agent Tank Temperature Sensor --. Refer to Reducing Agent Temperature Sensor - G685-, CHECKING
P205C - Reductant Tank Temperature Sensor Circuit Low -- Check the Reducing Agent Tank Temperature Sensor --. Refer to Reducing Agent Temperature Sensor - G685-, CHECKING
P207F - Reducing Agent Quality Performance -- This code will set after a refill event (based on fluid level change) and ECM does not see a change in NOx during dosing. Check fluid in tank for contamination, wrong color (AD Blue is clear in color) or foreign substance used in refill. Also when AD Blue is stale, it will have an ammonia odor. Fresh AD Blue is nearly odorless. Drain tank completely and refill with fresh AD Blue if contamination is present.-- Check the NOx Sensor Module 1 - 2 --. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING
P2080 - Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 1 -- Check the Exhaust Gas Temperature Sensor 1 -G235-. Refer to Exhaust Gas Temperature Sensor 1 -G235-, CHECKING .
P2084 - Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 2 -- Check the Exhaust Gas Temperature Sensor 3A -G646-. Refer to Exhaust Gas Temperature Sensor 3A -G646-, CHECKING .
P208A - Reductant Pump "A" Control Circuit/Open -- Check the Reducing Agent Pump -V437-. Refer to Reducing Agent Pump -V437-, CHECKING
P208C - Reductant Pump "A" Control Circuit Low -- Check the Reducing Agent Pump -V437-. Refer to Reducing Agent Pump -V437-, CHECKING
P208D - Reductant Pump "A" Control Circuit High -- Check the Reducing Agent Pump -V437-. Refer to Reducing Agent Pump -V437-, CHECKING
P208E - Reductant Injection Valve Stuck Closed Bank 1 Unit 1 -- Check the Reducing Agent Injector --. Refer to Reducing Agent Injector - N474-, CHECKING
P20A0 - Reductant Purge Control Valve "A" Circuit /Open -- Check the Reducing Agent Reversing Valve. Refer to Reducing Agent Pump -V437-, CHECKING
P20A2 - Reductant Purge Control Valve "A" Circuit Low -- Check the Reducing Agent Reversing Valve. Refer to Reducing Agent Pump -V437-, CHECKING
P20A3 - Reductant Purge Control Valve "A" Circuit High -- Check the Reducing Agent Reversing Valve. Refer to Reducing Agent Pump -V437-, CHECKING
P20A5 - Reductant Purge Control Valve "A" Stuck Closed -- Check the Reducing Agent Reversing Valve. Refer to Reducing Agent Pump -V437-, CHECKING
P20B5 - Reductant Metering Unit Heater Control Circuit/Open -- Check the Reducing Agent Wire Heater. Refer to Reducing Agent Line Heater (Heating Circuit 2) - Z104-, CHECKING
P20B7 - Reductant Metering Unit Heater Control Circuit Low -- Check the Reducing Agent Tank Heater. Refer to Reducing Agent Tank Heater (Heating Circuit 1) - Z102-, CHECKING
P20B8 - Reductant Metering Unit Heater Control Circuit High -- Check the Reducing Agent Tank Heater. Refer to Reducing Agent Tank Heater (Heating Circuit 1) - Z102-, CHECKING
P20B9 - Reductant Heater "A" Control Circuit/Open -- Check the Reducing Agent Tank Heater. Refer to Reducing Agent Tank Heater (Heating Circuit 1) - Z102-, CHECKING
P20BB - Reductant Heater "A" Control Circuit Low -- Check the Reducing Agent Tank Heater. Refer to Reducing Agent Tank Heater (Heating Circuit 1) - Z102-, CHECKING
P20BC - Reductant Heater "A" Control Circuit High -- Check the Reducing Agent Tank Heater. Refer to Reducing Agent Tank Heater (Heating Circuit 1) - Z102-, CHECKING
P20BD - Reductant Heater "B" Control Circuit/Open -- Check the Reducing Agent Wire Heater. Refer to Reducing Agent Line Heater (Heating Circuit 2) - Z104-, CHECKING
P20BF - Reductant Heater "B" Control Circuit Low -- Check the Reducing Agent Wire Heater. Refer to Reducing Agent Line Heater (Heating Circuit 2) - Z104-, CHECKING
P20C0 - Reductant Heater "B" Control Circuit High -- Check the Reducing Agent Wire Heater. Refer to Reducing Agent Line Heater (Heating Circuit 2) - Z104-, CHECKING
P20E8 - Reductant Pressure Too Low -- Check the Reduction Agent Pressure Sensor. Refer to Reducing Agent Metering System Pressure Sensor - G686-, CHECKING
P20E9 - Reductant Pressure Too High -- Check the Reduction Agent Pressure Sensor. Refer to Reducing Agent Metering System Pressure Sensor - G686-, CHECKING
P20EE - SCR NOx Catalyst Efficiency Below Threshold Bank 1 -- If a NOx sensor code is also present, diagnose that code first. Check Reducing Agent (AdBlue®) Quality. Refer to REDUCING AGENT (ADBLUE®) CONSUMPTION OR QUALITY CHECKING -- Check the NOx Sensor after the catalyst. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING -- Check the Reducing Agent Injector --. Refer to Reducing Agent Injector - N474-, CHECKING
P20F4 - Reductant Consumption Too Low -- Check the NOx Sensor after the catalyst. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING -- Check for a leaking or stuck open reducing agent injector
P20F5 - Reductant Consumption Too High -- Check Reducing Agent (AdBlue®) Quality. Refer to REDUCING AGENT (ADBLUE®) CONSUMPTION OR QUALITY CHECKING -- Check for a leaking or stuck closed or restricted reducing agent injector
P2100 18532 Throttle Actuator "A" Control Motor Circuit/Open -- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338-, CHECKING .
P2101 18533 Throttle Actuator "A" Control Motor Circuit Range/Performance -- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338-, CHECKING .
P2102 18534 Throttle Actuator "A" Control Motor Circuit Low -- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338-, CHECKING .
P2103 18535 Throttle Actuator "A" Control Motor Circuit High -- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338-, CHECKING .
P2111 - Throttle Actuator "A" Control System - Stuck Open -- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338-, CHECKING .
P2112 18554 Throttle Actuator "A" Control System - Stuck Closed -- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338-, CHECKING .
P2122 18554 Throttle/Pedal Position Sensor/Switch "D" Circuit Low -- Check the Accelerator Pedal Position Sensor -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to Accelerator Pedal Module - GX2-, CHECKING .
P2123 18555 Throttle/Pedal Position Sensor/Switch "D" Circuit High -- Check the Accelerator Pedal Position Sensor -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to Accelerator Pedal Module - GX2-, CHECKING .
P2127 18559 Throttle/Pedal Position Sensor/Switch "E" Circuit Low -- Check the Accelerator Pedal Position Sensor -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to Accelerator Pedal Module - GX2-, CHECKING .
P2128 18560 Throttle/Pedal Position Sensor/Switch "E" Circuit High -- Check the Accelerator Pedal Position Sensor -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to Accelerator Pedal Module - GX2-, CHECKING .
P2138 18570 Throttle/Pedal Position Sensor/Switch "D"/"E" Voltage Correlation -- Check the Accelerator Pedal Position Sensor -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to Accelerator Pedal Module - GX2-, CHECKING .
P2146 18578 Fuel Injector Group "A" Supply Voltage Circuit/Open -- Check Fuel Injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, CHECKING .
P2149 18581 Fuel Injector Group "B" Supply Voltage Circuit/Open -- Check Fuel Injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, CHECKING .
P2152 18584 Fuel Injector Group "C" Supply Voltage Circuit/Open -- Check Fuel Injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, CHECKING .
P2181 18613 Cooling System Performance -- Check the thermostat for proper operation (stuck open or damaged). Refer to the Repair Information for Diagnostic.-- Check Engine Coolant Temperature Sensor -G62-. Refer to Engine Coolant Temperature Sensor -G62-, CHECKING .
P2183 - Engine Coolant Temperature Sensor 2 Circuit Range/Performance -- Check the Engine Coolant Temperature Sensor On Radiator Outlet -G83-. Refer to Engine Coolant Temperature Sensor On Radiator Outlet -G83-, CHECKING .
P2184 18616 Engine Coolant Temperature Sensor 2 Circuit Low -- Check the Engine Coolant Temperature Sensor On Radiator Outlet -G83-. Refer to Engine Coolant Temperature Sensor On Radiator Outlet -G83-, CHECKING .
P2185 18617 Engine Coolant Temperature Sensor 2 Circuit High -- Check the Engine Coolant Temperature Sensor On Radiator Outlet -G83-. Refer to Engine Coolant Temperature Sensor On Radiator Outlet -G83-, CHECKING .
P2195 18627 O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 1 -- Check the Heated Oxygen Sensor -G39-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P2196 18628 O2 Sensor Signal Biased/Stuck Rich Bank 1 Sensor 1 -- Check the Heated Oxygen Sensor -G39-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P2200 - NOx Sensor Circuit Bank 1 Sensor 1 -- Check the NOx Sensor Module --. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING .
P2201 - NOx Sensor Circuit Range/Performance Bank 1 Sensor 1 -- Check the NOx Sensor Module --. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING .
P2202 - NOx Sensor Circuit Low Bank 1 Sensor 1 -- Check the NOx Sensor Module --. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING .
P2203 - NOx Sensor Circuit High Bank 1 Sensor 1 -- Check the NOx Sensor Module --. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING .
P2209 - NOx Sensor Heater Sense Circuit Range/Performance Bank 1 Sensor 1 -- Check the NOx Sensor Module --. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING .
P220A - NOx Sensor Supply Voltage Circuit Bank 1 Sensor 1 -- Check the NOx Sensor Module --. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING .
P220B - NOx Sensor Supply Voltage Circuit Bank 1 Sensor 2 -- Check the NOx Sensor Module --. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING .
P2237 18669 O2 Sensor Positive Current Control Circuit/Open Bank 1 Sensor 1 -- Check the Heated Oxygen Sensor -G39-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P2243 18675 O2 Sensor Reference Voltage Circuit/Open Bank 1 Sensor 1 -- Check the Heated Oxygen Sensor -G39-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P2251 18683 O2 Sensor Negative Current Control Circuit/Open Bank 1 Sensor 1 -- Check the Heated Oxygen Sensor -G39-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P2263 18695 Turbocharger/Supercharger Boost System Performance -- Check the Turbocharger Control Module 1 -J724-. Refer to Turbocharger 1 - VX12-, CHECKING .
P2279 18711 MAP/MAF - Throttle Position Correlation -- Functional check by modeled air mass flow.
P2294 18726 Fuel Pressure Regulator 2 Control Circuit/Open -- Check the Fuel Pressure Regulator Metering Valve 2 -N290-. Refer to Fuel Metering Valve -N290-, CHECKING .
P2295 18727 Fuel Pressure Regulator 2 Control Circuit Low -- Check the Fuel Pressure Regulator Metering Valve 2 -N290-. Refer to Fuel Metering Valve -N290-, CHECKING .
P2296 18728 Fuel Pressure Regulator 2 Control Circuit High -- Check the Fuel Pressure Regulator Metering Valve 2 -N290-. Refer to Fuel Metering Valve -N290-, CHECKING .
P229E - NOx Sensor Circuit Bank 1 Sensor 2 -- Check the NOx Sensor Module --. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING .
P229F - NOx Sensor Circuit Range/Performance Bank 1 Sensor 2 -- Check the NOx Sensor Module --. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING .
P22A0 - NOx Sensor Circuit Low Bank 1 Sensor 2 -- Check the NOx Sensor Module --. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING .
P22A1 - NOx Sensor Circuit High Bank 1 Sensor 2 -- Check the NOx Sensor Module --. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING .
P22A7 - NOx Sensor Heater Sense Circuit Range/Performance Bank 1 Sensor 2 -- Check the NOx Sensor Module --. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING .
P240F - EGR Slow Response -- Check all intake ducts and connections for air leaks, including the suction and pressure side of the turbo. Any air leak will distort the calculated airflow numbers and set this fault.-- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR Valve 1 -GX5-, CHECKING .
P2425 18857 EGR Cooling Valve Control Circuit/Open -- Check the EGR Cooler Switch Over Valve --. Refer to EGR Cooler Switch Over Valve -N345-, CHECKING .
P2426 18858 EGR Cooling Valve Control Circuit Low -- Check the EGR Cooler Switch Over Valve --. Refer to EGR Cooler Switch Over Valve -N345-, CHECKING .
P2427 18859 EGR Cooling Valve Control Circuit High -- Check the EGR Cooler Switch Over Valve --. Refer to EGR Cooler Switch Over Valve -N345-, CHECKING .
P242A - Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 3 -- Check the Exhaust Gas Temperature Sensor 3 -G495-. Refer to Exhaust Gas Temperature Sensor 3 -G495-, CHECKING .
P242B - Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 3 -- Check the Exhaust Gas Temperature Sensor 3 -G495-. Refer to Exhaust Gas Temperature Sensor 3 -G495-, CHECKING .
P242C - Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 3 -- Check the Exhaust Gas Temperature Sensor 3 -G495-. Refer to Exhaust Gas Temperature Sensor 3 -G495-, CHECKING .
P244C - Exhaust Temperature Too Low For Particulate Filter Regeneration Bank 1 -- If no Exhaust Temperature Sensor codes are set, a Service Bay Regeneration should be performed using a VAS 5052 (available for rental) or equivalent scan tool with regeneration capability.-- Refer to REGENERATION AND DIESEL PARTICULATE FILTER, CHECKING
P2452 - Particulate Filter Pressure Sensor "A" Circuit -- Check the Differential Pressure Sensor -G505-. Refer to Differential Pressure Sensor -G505-, CHECKING .
P2453 - Particulate Filter Pressure Sensor "A" Circuit Range/Performance -- Check the Differential Pressure Sensor -G505-. Refer to Differential Pressure Sensor -G505-, CHECKING .
P2454 - Particulate Filter Pressure Sensor "A" Circuit Low -- Check the Differential Pressure Sensor -G505-. Refer to Differential Pressure Sensor -G505-, CHECKING .
P2458 - Particulate Filter Regeneration Duration Bank 1 -- Check for DPF increased particle mass. Refer to DIESEL PARTICULATE FILTER (DPF) INCREASED PARTICLE MASS, CHECKING .
P2459 - Particulate Filter Regeneration Frequency Bank 1 -- DPF filter may have too much restriction due to age and buildup of contaminants. Perform a Service Regeneration. If the filter still shows a restriction, replacement will be required. If the filter was previously replaced and is unable to regenerate:-- Check for increased exhaust particle mass. Refer to DIESEL PARTICULATE FILTER (DPF) INCREASED PARTICLE MASS, CHECKING .-- Refer to REGENERATION AND DIESEL PARTICULATE FILTER, CHECKING
P245B - EGR Cooler Bypass Control Circuit Range/Performance Bank 1 -- Check the EGR Cooler Switch Over Valve --. Refer to EGR Cooler Switch Over Valve -N345-, CHECKING .
P2463 - Particulate Filter Restriction - Soot Accumulation Bank 1 -- Regeneration Service must be performed Refer to DIESEL PARTICULATE FILTER (DPF) INCREASED PARTICLE MASS, CHECKING -- Check the Exhaust Pressure Sensor 1 -G450-. Refer to Differential Pressure Sensor -G505-, CHECKINGREGENERATION AND DIESEL PARTICULATE FILTER, CHECKING
P246E - Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 4 -- Check the Exhaust Gas Temperature Sensor 4 -G648-. Refer to Exhaust Gas Temperature Sensor 4 -G648-, CHECKING .
P246F - Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 4 -- Check the Exhaust Gas Temperature Sensor 4 -G648-. Refer to Exhaust Gas Temperature Sensor 4 -G648-, CHECKING .
P2470 - Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 4 -- Check the Exhaust Gas Temperature Sensor 4 -G648-. Refer to Exhaust Gas Temperature Sensor 4 -G648-, CHECKING .
P247A - Exhaust Gas Temperature Out of Range Bank 1 Sensor 3 -- Check the Exhaust Gas Temperature Sensor 3 -G495-. Refer to Exhaust Gas Temperature Sensor 3 -G495-, CHECKING .
P24AE - Particulate Matter Sensor Circuit -- Check the Particulate Sensor -G784-. Refer to DIESEL PARTICULATE FILTER (DPF) INCREASED PARTICLE MASS, CHECKING .
P24AF - Particulate Matter Sensor Circuit Range/Performance -- Check the Particulate Sensor -G784-. Refer to DIESEL PARTICULATE FILTER (DPF) INCREASED PARTICLE MASS, CHECKING .
P24B0 - Particulate Matter Sensor Circuit Low -- Check the Particulate Sensor -G784-. Refer to DIESEL PARTICULATE FILTER (DPF) INCREASED PARTICLE MASS, CHECKING .
P24B1 - Particulate Matter Sensor Circuit High -- Check the Particulate Sensor -G784-. Refer to DIESEL PARTICULATE FILTER (DPF) INCREASED PARTICLE MASS, CHECKING .
P24B3 - Particulate Matter Sensor Heater Control Circuit/Open -- Check the Particulate Sensor -G784-. Refer to DIESEL PARTICULATE FILTER (DPF) INCREASED PARTICLE MASS, CHECKING .
P24B5 - Particulate Matter Sensor Heater Control Circuit Low -- Check the Particulate Sensor -G784-. Refer to DIESEL PARTICULATE FILTER (DPF) INCREASED PARTICLE MASS, CHECKING .
P24B6 - Particulate Matter Sensor Heater Control Circuit High -- Check the Particulate Sensor -G784-. Refer to DIESEL PARTICULATE FILTER (DPF) INCREASED PARTICLE MASS, CHECKING .
P24C6 - Particulate Matter Sensor Temperature Circuit -- Check the Particulate Sensor -G784-. Refer to DIESEL PARTICULATE FILTER (DPF) INCREASED PARTICLE MASS, CHECKING .
P24C7 - Particulate Matter Sensor Temperature Circuit Range/performance -- Check the Particulate Sensor -G784-. Refer to DIESEL PARTICULATE FILTER (DPF) INCREASED PARTICLE MASS, CHECKING .
P24D0 - Particulate Matter Sensor Supply Voltage Circuit Low -- Check the Particulate Sensor -G784-. Refer to DIESEL PARTICULATE FILTER (DPF) INCREASED PARTICLE MASS, CHECKING .
P2564 18996 Turbocharger Boost Control Position Sensor "A" Circuit Low -- Check the Turbocharger Control Module 1 -J724-. Refer to Turbocharger 1 - VX12-, CHECKING .
P2565 18997 Turbocharger Boost Control Position Sensor "A" Circuit High -- Check the Turbocharger Control Module 1 -J724-. Refer to Turbocharger 1 - VX12-, CHECKING .
P268A - Fuel Injector Calibration Not Learned/Programmed -- The ECM will need to be programmed using a VAS 5052 (available for rental) or equivalent scan tool, with the calibration number stamped on the injectors (or change the individual calibration number for an injector that was replaced during diagnosis).
P310E - Exhaust gas recirculation cooler bypass valve 2 Implausible signal -- Check the EGR Cooler Switch Over Valve --. Refer to EGR Cooler Switch Over Valve -N345-, CHECKING .
P3348 - Turbocharger Control Unit Electrical Malfunction -- Check the Turbocharger Control Module 1 -J724-. Refer to Turbocharger 1 - VX12-, CHECKING .
U0001 28673 High Speed CAN Communication Bus -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .
U0002 - High Speed CAN Communication Bus Performance -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .
U0028 - Vehicle Communication Bus A -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .
U0029 - Vehicle Communication Bus A Performance -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .
U0037 - Vehicle Communication Bus B -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .
U0038 - Vehicle Communication Bus B Performance -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .
U0101 28773 Lost Communication with TCM -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .If the TCM CAN Bus test passes, check TCM communication with a scan tool. If no TCM communication with scan tool and all other modules communicate, check TCM power and grounds. If OK, replace TCM Module.
U0106 - Lost Communication With Glow Plug Control Module 1 -- Check the Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
U0121 28793 Lost Communication With Anti-Lock Brake System (ABS) Control Module -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .If the ABS CAN Bus test passes, check ABS communication with a scan tool. If no ABS communication with scan tool and all other modules communicate, check ABS power and grounds. If OK, replace ABS Module.
U0140 - Lost Communication With Body Control Module -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .If the BCM CAN Bus test passes, check BCM communication with a scan tool. If no BCM communication with scan tool and all other modules communicate, check BCM power and grounds. If OK, replace BCM Module.
U0146 28818 Lost Communication With Gateway "A" -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .If only 1 module has set this code, the gateway is operational and the fault will be with the module that set the code. Check module power and grounds. If OK, replace the module that does not communicate.
U0155 28827 Lost Communication With Instrument Panel Cluster (IPC) Control Module -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .If the IPC CAN Bus test passes, check IPC communication with a scan tool. If no IPC communication with scan tool and all other modules communicate, check IPC power and grounds. If OK, replace IPC Module.
U02A3 - Lost Communication With PM Sensor -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING . If the CAN Bus test passes, check Particulate Sensor -G784-. Refer to Particulate Sensor - G784-, CHECKING .
U0302 28974 Software Incompatibility with Transmission Control Module -- Check for correct software in ECM and TCM. If software is incorrect, reflash module with correct software.
U0307 - Software Incompatibility With Glow Plug Control Module 1 -- Check part number of Glow Control Unit. Application is incorrect. Replace with correct unit.
U0402 29074 Invalid Data Received From Transmission Control Module -- May have VIN error or incorrect software. Check VIN and software number for correct application.
U0407 - Invalid Data Received From Glow Plug Control Module 1 -- Check the Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
U0415 29087 Invalid Data Received From Anti-Lock Brake System (ABS) Control Module -- Check the Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
U0423 - Invalid Data Received From Instrument Panel Cluster Control Module -- May have VIN error. Check VIN in each module for correct data.
U0447 - Invalid Data Received From Gateway "A" -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .
U04A4 - Invalid Data Received From PM Sensor -- Check the Particulate Sensor -G784-. Refer to DIESEL PARTICULATE FILTER (DPF) INCREASED PARTICLE MASS, CHECKING .
U1006 - NOx Sensor 1 Bank 1 No communication -- Check the NOx Sensor. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING
U1024 - Communication with Instrument Cluster Module -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING
U1026 - Pressure Control Solenoid "A" Electrical -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING
U102A - Vehicle Communication CAN 2 -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING
U102B - Communication check CAN 2 -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING
U1034 - NOx Sensor 1 Bank 1 Implausible signal -- Check the NOx Sensor. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING
U10C1 - NOx Sensor 1 Bank 2 Implausible signal -- Check the NOx Sensor. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING
U10C2 - NOx Sensor 1 Bank 2 No Communication -- Check the NOx Sensor. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING
U1103 - Production Mode Vehicle in production mode -- Production mode can be turned off with a scan tool or will automatically switch off after 62.3 miles are on the vehicle.
P0047 - Boost Pressure Actuator Short To Ground -- Check the Turbocharger 1 -VX12-. Refer to Turbocharger 1 - VX12-, CHECKING .
P0071 - Ambient Air Temperature Sensor Cross Check -- Check the Ambient Air Temperature Sensor -G17-. Refer to appropriate Repair Information.
P0072 - Can: Ambient Air Temperature Sensor Can Communication With Ambient Air Temperature Sensor -- Check the Ambient Air Temperature Sensor -G17-. Refer to appropriate Repair Information.
P0087 16471 Fuel Rail Pressure System Functional Check -- Check the Fuel Pressure Regulator Valve -N276-. Refer to Fuel Pressure Regulator Valve - N276-, CHECKING .-- Check the Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor -G247-, CHECKING .
P0088 16472 Fuel Rail Pressure System Functional Check -- Check the Fuel Pressure Regulator Valve -N276-. Refer to Fuel Pressure Regulator Valve - N276-, CHECKING .-- Check the Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor -G247-, CHECKING
P0090 - Fuel Metering Unit Open Circuit -- Check the Fuel Pressure Regulator Valve -N276-. Refer to Fuel Pressure Regulator Valve - N276-, CHECKING .-- Check the Fuel Metering Valve -N290-. Refer to Fuel Metering Valve -N290-, CHECKING
P0091 - Fuel Metering Unit Short To Ground -- Check the Fuel Pressure Regulator Valve -N276-. Refer to Fuel Pressure Regulator Valve - N276-, CHECKING .-- Check the Fuel Metering Valve -N290-. Refer to Fuel Metering Valve -N290-, CHECKING
P0092 - Fuel Metering Unit Short To Battery -- Check the Fuel Pressure Regulator Valve -N276-. Refer to Fuel Pressure Regulator Valve - N276-, CHECKING .-- Check the Fuel Metering Valve -N290-. Refer to Fuel Metering Valve -N290-, CHECKING
P00AF - Boost Pressure Actuator Functional Check: Stuck Close -- Check the Turbocharger 1 -VX12-. Refer to Turbocharger 1 - VX12-, CHECKING .
P00C6 - Fuel Rail Pressure System Functional Check -- Check the Fuel Pressure Regulator Valve -N276-. Refer to Fuel Pressure Regulator Valve - N276-, CHECKING .-- Check the Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor -G247-, CHECKING .
P0101 16485 Mass Air Flow Sensor Rationality Check -- Check Mass Air Flow Sensor -G70-. Refer to Mass Airflow Sensor - G70-, CHECKING .
P0102 16486 Mass Air Flow Sensor Signal Range Check -- Check Mass Air Flow Sensor -G70-. Refer to Mass Airflow Sensor - G70-, CHECKING .
P0103 16487 Mass Air Flow Sensor Signal Range Check -- Check Mass Air Flow Sensor -G70-. Refer to Mass Airflow Sensor - G70-, CHECKING .
P0104 - Mass Air Flow Sensor Internal Check -- Check Mass Air Flow Sensor -G70-. Refer to Mass Airflow Sensor - G70-, CHECKING .
P0111 16495 Intake Air Temperature Sensor Cross Check -- Check the Intake Manifold Sensor -GX9-. Refer to Intake Manifold Sensor -GX9-, CHECKING .
P0112 16496 Intake Air Temperature Sensor Short To Ground -- Check the Intake Manifold Sensor -GX9-. Refer to Intake Manifold Sensor -GX9-, CHECKING .
P0113 16497 Intake Air Temperature Sensor Short To Battery / Open Circuit -- Check the Intake Manifold Sensor -GX9-. Refer to Intake Manifold Sensor -GX9-, CHECKING .
P0116 16500 Engine Coolant Temperature Sensor @ Cylinder Head Cross Check -- Check the Engine Coolant Temperature Sensor -G62-. Refer to Engine Coolant Temperature Sensor -G62-, CHECKING .
P0117 16501 Engine Coolant Temperature Sensor @ Cylinder Head Short To Ground -- Check the Engine Coolant Temperature Sensor -G62-. Refer to Engine Coolant Temperature Sensor -G62-, CHECKING .
P0118 16502 Engine Coolant Temperature Sensor @ Cylinder Head Short To Battery / Open Circuit -- Check the Engine Coolant Temperature Sensor -G62-. Refer to Engine Coolant Temperature Sensor -G62-, CHECKING .
P0121 16505 Throttle Position Sensor Out Of Range -- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338-, CHECKING .
P0122 16506 Throttle Position Sensor Out Of Range Low -- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338-, CHECKING .
P0128 16512 Engine Cooling System Rationality Check -- Check the thermostat for proper operation (stuck open or damaged). Refer to appropriate Repair Information.-- Check the Engine Coolant Temperature Sensor -G62-. Refer to Engine Coolant Temperature Sensor -G62-, CHECKING .
P0130 16514 Oxygen Sensors Front Signal Range Check -- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P0132 16516 Oxygen Sensors Front Out Of Range High -- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P0133 16517 Oxygen Sensors Front Dynamic Check -- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P0134 16518 Oxygen Sensors Heater Front Oxygen Sensor Heating - Feedback Check -- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P0135 16519 Oxygen Sensors Heater Front Short To Battery -- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P016A - Fuel System Fuel Mass Observer: Feedback Check -- Excessive Time To Enter Closed Loop Air/Fuel Ratio Control -- Check for any sensor related codes. If a related sensor fault is set, diagnose it first. If no related sensor codes are set, check for an intake air leak or check for low Fuel pressure. Refer to the Repair Information for Fuel System test procedures and cautions.
P0171 16555 Fuel System Functional Check: Fuel System Failure -- Check for any sensor related codes. If a related sensor fault is set, diagnose it first. If no related sensor codes are set, check for an intake air leak or check for low Fuel pressure. Refer to the Repair Information for Fuel System test procedures and cautions.
P0172 16556 Fuel System Functional Check: Fuel System Failure -- Check for any sensor related codes. If a related sensor fault is set, diagnose it first. If no related sensor codes are set, check for an intake air leak or check for low Fuel pressure. Refer to the Repair Information for Fuel System test procedures and cautions.
P0181 16565 Fuel Temperature Sensor Cross Check -- Check the Fuel Temperature Sensor -G81-. Refer to Fuel Temperature Sensor -G81-, CHECKING .
P0182 16566 Fuel Temperature Sensor Short To Ground -- Check the Fuel Temperature Sensor -G81-. Refer to Fuel Temperature Sensor -G81-, CHECKING .
P0183 16567 Fuel Temperature Sensor Short To Battery / Open Circuit -- Check the Fuel Temperature Sensor -G81-. Refer to Fuel Temperature Sensor -G81-, CHECKING .
P0191 16575 Fuel Rail Pressure Sensor Rationality Check -- Check the pressure in the fuel system for out of spec conditions before diagnosing the pressure sensor.-- Check the Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor -G247-, CHECKING .
P0192 16576 Fuel Rail Pressure Sensor Short To Ground -- Check the pressure in the fuel system for out of spec conditions before diagnosing the pressure sensor.-- Check the Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor -G247-, CHECKING .
P0193 16577 Fuel Rail Pressure Sensor Short To Battery / Open Circuit -- Check the Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor -G247-, CHECKING .
P01BA - Engine Oil Temperature Sensor Cross Check -- Check the Oil Temperature Sensor 2 -G664-. Refer to Oil Temperature Sensor 2 - G664-, CHECKING .
P01BB - Engine Oil Temperature Sensor Short To Ground -- Check the Oil Temperature Sensor 2 -G664-. Refer to Oil Temperature Sensor 2 - G664-, CHECKING .
P01BC - Engine Oil Temperature Sensor Short To Battery / Open Circuit -- Check the Oil Temperature Sensor 2 -G664-. Refer to Oil Temperature Sensor 2 - G664-, CHECKING .
P01BD - Engine Oil Temperature Sensor Rationality Check / Warm Up Plausibility -- Check the Oil Temperature Sensor 2 -G664-. Refer to Oil Temperature Sensor 2 - G664-, CHECKING .
P01E3 - Engine Coolant Temperature Sensor @ Cylinder Block Short To Battery / Open Circuit -- Check the Engine Temperature Control Sensor -G694-. Refer to Engine Temperature Control Sensor -G694-, CHECKING .
P01E4 - Engine Coolant Temperature Sensor @ Cylinder Block Cross Check -- Check the Engine Temperature Control Sensor -G694-. Refer to Engine Temperature Control Sensor -G694-, CHECKING .
P01E5 - Engine Coolant Temperature Sensor @ Cylinder Block Short To Ground -- Check the Engine Temperature Control Sensor -G694-. Refer to Engine Temperature Control Sensor -G694-, CHECKING .
P0201 16585 Injection Valves Open Or Shorted Circuit -- Check the Cylinder 1 Fuel Injector -N30-. Refer to FUEL INJECTORS, CHECKING .
P0202 16586 Injection Valves Open Or Shorted Circuit -- Check the Cylinder 1 Fuel Injector -N30-. Refer to FUEL INJECTORS, CHECKING .
P0203 16587 Injection Valves Open Or Shorted Circuit -- Check the Cylinder 3 Fuel Injector -N32-. Refer to FUEL INJECTORS, CHECKING .
P0204 16588 Injection Valves Open Or Shorted Circuit -- Check the Cylinder 4 Fuel Injector -N33-. Refer to FUEL INJECTORS, CHECKING .
P0205 16589 Injection Valves Open Or Shorted Circuit -- Check the Cylinder 5 Fuel Injector -N83-. Refer to FUEL INJECTORS, CHECKING .
P0206 16590 Cylinder 6 Injector Circuit -- Check the Cylinder 6 Fuel Injector -N84-. Refer to FUEL INJECTORS, CHECKING .
P0234 16618 Boost Pressure Control Rationality Check Low -- Check the Turbocharger 1 -VX12-. Refer to Turbocharger 1 - VX12-, CHECKING .
P0236 16620 Boost Pressure Sensor Rationality Check -- Check the Intake Manifold Sensor -GX9-. Refer to Intake Manifold Sensor -GX9-, CHECKING .
P0237 16621 Boost Pressure Sensor Short To Ground -- Check the Intake Manifold Sensor -GX9-. Refer to Intake Manifold Sensor -GX9-, CHECKING .
P0238 16622 Boost Pressure Sensor Short To Battery / Open Circuit -- Check the Intake Manifold Sensor -GX9-. Refer to Intake Manifold Sensor -GX9-, CHECKING .
P0263 16647 Fuel Balance Control Monitoring Adaptive Value Limit High -- Check the Cylinder 1 Fuel Injector -N30-. Refer to FUEL INJECTORS, CHECKING .-- Check cylinder compression. Refer to appropriate Repair Information.
  - Fuel Balance Control Monitoring Adaptive Value Limit High -- Check the Cylinder 1 Fuel Injector -N30-. Refer to FUEL INJECTORS, CHECKING .-- Check cylinder compression. Refer to appropriate Repair Information.
P0269 16653 Fuel Balance Control Monitoring Adaptive Value Limit High -- Check the Cylinder 1 Fuel Injector -N30-. Refer to FUEL INJECTORS, CHECKING .-- Check cylinder compression. Refer to appropriate Repair Information.
P026A - Charge Air Cooler Functional Check: Cooler Efficiency -- Check for road debris on the right or left intercooler obstructing air flow. If any other related (turbocharger) fault codes are set, diagnose those codes first.. -- Check the Turbocharger 1 -VX12-. Refer to Turbocharger 1 - VX12-, CHECKING .
P0272 16656 Fuel Balance Control Monitoring Adaptive Value Limit High -- Check the Cylinder 1 Fuel Injector -N30-. Refer to FUEL INJECTORS, CHECKING .-- Check cylinder compression. Refer to appropriate Repair Information.
P0275 16659 Fuel Balance Control Monitoring Adaptive Value Limit High -- Check the Cylinder 1 Fuel Injector -N30-. Refer to FUEL INJECTORS, CHECKING .-- Check cylinder compression. Refer to appropriate Repair Information.
P0278 16662 Fuel Balance Control Monitoring Adaptive Value Limit High -- Check the Cylinder 1 Fuel Injector -N30-. Refer to FUEL INJECTORS, CHECKING .-- Check cylinder compression. Refer to appropriate Repair Information.
P029 - Boost Pressure Control Rationality Check High -- Check for disconnected or damaged air duct. -- Check the Turbocharger 1 -VX12-. Refer to Turbocharger 1 - VX12-, CHECKING .-- Check the Intake Manifold Sensor -GX9-. Refer to Intake Manifold Sensor -GX9-, CHECKING .
P0300 16684 Misfire Instantaneous Engine Speed Monitoring -- Check for fuel contamination.-- Check the Engine Speed Sensor -G28-. Refer to Engine Speed Sensor -G28-, CHECKING .-- Check the Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .
P0301 16685 Misfire Instantaneous Engine Speed Monitoring -- Check the Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .-- Check the Engine Speed Sensor -G28-. Refer to Engine Speed Sensor -G28-, CHECKING .-- Check engine compression. Refer to appropriate Repair Information.
P0302 16686 Misfire Instantaneous Engine Speed Monitoring -- Check the Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .-- Check the Engine Speed Sensor -G28-. Refer to Engine Speed Sensor -G28-, CHECKING .-- Check engine compression. Refer to appropriate Repair Information.
P0303 16687 Misfire Instantaneous Engine Speed Monitoring -- Check the Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .-- Check the Engine Speed Sensor -G28-. Refer to Engine Speed Sensor -G28-, CHECKING .-- Check engine compression. Refer to appropriate Repair Information.
P0304 16688 Misfire Instantaneous Engine Speed Monitoring -- Check the Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .-- Check the Engine Speed Sensor -G28-. Refer to Engine Speed Sensor -G28-, CHECKING .-- Check engine compression. Refer to appropriate Repair Information.
P0305 16689 Misfire Instantaneous Engine Speed Monitoring -- Check the Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .-- Check the Engine Speed Sensor -G28-. Refer to Engine Speed Sensor -G28-, CHECKING .-- Check engine compression. Refer to appropriate Repair Information.
P0306 16690 Misfire Instantaneous Engine Speed Monitoring -- Check the Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .-- Check the Engine Speed Sensor -G28-. Refer to Engine Speed Sensor -G28-, CHECKING .-- Check engine compression. Refer to appropriate Repair Information.
P0321 16705 Crankshaft Position Sensor Rationality Check -- Check the Engine Speed Sensor -G28-. Refer to Engine Speed Sensor -G28-, CHECKING .
P0322 16706 Crankshaft Position Sensor Signal Activity Check -- Check the Engine Speed Sensor -G28-. Refer to Engine Speed Sensor -G28-, CHECKING .
P0381 16765 Can: Glow Plug Indicator Signal Plausibility Check -- Check the Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P0401 16785 Egr System Rationality Check -- Check the EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR Valve 1 -GX5-, CHECKING .
P0402 16786 Egr System Rationality Check -- Check the EGR Motor -V338- / EGR Potentiometer -G212-. Refer to EGR Valve 1 -GX5-, CHECKING .
P0403 16787 Egr Actuator Short To Ground -- Check the EGR Motor -V338- / EGR Potentiometer -G212-. Refer to EGR Valve 1 -GX5-, CHECKING .
P0405 - Egr Position Sensor Out Of Range Low -- Check the EGR Motor -V338- / EGR Potentiometer -G212-. Refer to EGR Valve 1 -GX5-, CHECKING .
P040 - Egr Position Sensor Out Of Range High -- Check the EGR Motor -V338- / EGR Potentiometer -G212-. Refer to EGR Valve 1 -GX5-, CHECKING .
P040B - Exhaust Gas Recirculation Temperature Sensor Plausibility Check -- Check the EGR Temperature Sensor -G98-. Refer to EGR Temperature Sensor -G98-, CHECKING .
P040C - Egr Temperature Sensor Short To Ground -- Check the EGR Temperature Sensor -G98-. Refer to EGR Temperature Sensor -G98-, CHECKING .
P040D - Egr Temperature Sensor Short To Battery / Open Circuit -- Check the EGR Temperature Sensor -G98-. Refer to EGR Temperature Sensor -G98-, CHECKING .
P0420 16804 Nmhc Catalyst Functional Check: Conversion Efficiency -- Check the Catalytic Converter. Refer to THREE WAY CATALYTIC CONVERTER (TWC), CHECKING .
P046C - Egr Position Sensor Out Of Range -- Check the EGR Motor -V338- / EGR Potentiometer -G212-. Refer to EGR Valve 1 -GX5-, CHECKING .
P0501 16885 Can: Vehicle Speed Sensor Can Communication With Vehicle Speed Sensor -- Check the speed signal input. Refer to Repair Information for ABS Diagnosis of wheel speed sensor.
P0506 16890 Idle Controller Rationality Check -- Check for any TSB's that may apply to this fault. If multiple codes are set, perform diagnosis for any fuel system, engine speed sensor, MAF, EGR, APP, Throttle control or MAP related faults first.-- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338-, CHECKING .
P0507 16891 Idle Controller Rationality Check -- Check for any TSB's that may apply to this fault. If multiple codes are set, perform diagnosis for any fuel system, engine speed sensor, MAF, EGR, APP, Throttle control or MAP related faults first.-- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338-, CHECKING .
P050E - Scr Catalyst Plausibility Check -- Check the Exhaust Gas Temperature Sensor 1 -G235-. Refer to Exhaust Gas Temperature Sensor 1 -G235-, CHECKING .
P052F - Glow Plug Control Module Internal Hardware Check (Electrical Adjustment Communication, Voltage Supply) -- Check the Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P0544 16928 Egt Sensor Upstream Turbocharger Short To Battery / Open Circuit -- Check the Exhaust Gas Temperature Sensor 1 -G235-. Refer to Exhaust Gas Temperature Sensor 1 -G235-, CHECKING .
P0545 16929 Egt Sensor Upstream Turbocharger Short To Ground -- Check the Exhaust Gas Temperature Sensor 1 -G235-. Refer to Exhaust Gas Temperature Sensor 1 -G235-, CHECKING .
P054E - Idle Controller Functional Check -- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338-, CHECKING .-- Check the EGR Motor -V338- / EGR Potentiometer -G212-. Refer to EGR Valve 1 -GX5-, CHECKING .
P054F - Idle Controller Functional Check -- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338-, CHECKING .-- Check the EGR Motor -V338- / EGR Potentiometer -G212-. Refer to EGR Valve 1 -GX5-, CHECKING .
P0604 16988 Ecm: Eeprom Functional Check -- Replace the Engine Control Module -J623-. Refer to appropriate Repair Information.
P0605 16989 Ecm: Electronic Throttle Control Module Internal Self Test: Check Of Read Only Memory -- Replace the Engine Control Module -J623-. Refer to appropriate Repair Information.
P0606 16990 Fuel System Rationality Check -- Replace the Engine Control Module -J623-. Refer to appropriate Repair Information.
P0607 16991 Oxygen Sensors Front Functional Check -- Check for any sensor or voltage related codes first and repair as necessary. If no other codes have set:-- Replace the Engine Control Module -J623-. Refer to appropriate Repair Information.
P0634 17018 Scr Dosing Valve Over Temperature -- Check for any sensor or voltage related codes first and repair as necessary. If P0634 resets:-- Replace the Engine Control Module -J623-. Refer to appropriate Repair Information.
P0641 17025 Ecm: Sensor Reference Circuit A Signal Range Check -- Perform diagnosis on any sensor voltage high or low codes first. Doing so will ensure that there is no shorted circuit or sensor causing this voltage code to set. If no other codes have set:-- Replace the Engine Control Module -J623-. Refer to appropriate Repair Information.
P064C - Glow Plug Control Module Internal Check -- Check for correct ECM software installed.-- Check the Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P0651 17035 Ecm: Sensor Reference Circuit B Signal Range Check -- Perform diagnosis on any sensor voltage high or low codes first. Doing so will ensure that there is no shorted circuit or sensor causing this voltage code to set. If no other codes have set:-- Replace the Engine Control Module -J623-. Refer to appropriate Repair Information.
P066A - Glow Plug Current Monitoring -- Check the Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P066B - Glow Plug Internal Check -- Check the Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P066C - Glow Plug Current Monitoring -- Check the Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P066D - Glow Plug Internal Check -- Check the Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P066E - Glow Plug Current Monitoring -- Check the Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P066F - Glow Plug Internal Check -- Check the Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P0671 17055 Glow Plug Circuit Current Monitoring -- Check the Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P067A - Glow Plug Current Monitoring -- Check the Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P067B - Glow Plug Internal Check -- Check the Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P067C - Glow Plug Current Monitoring -- Check the Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P067D - Glow Plug Internal Check -- Check the Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P067E - Glow Plug Current Monitoring -- Check the Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P067F - Glow Plug Internal Check -- Check the Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P0683 - Lin: Glow Plug Control Module Reading Back Sent Message -- Check the Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P0697 17081 Ecm: Sensor Reference Circuit C Signal Range Check -- Perform diagnosis on any sensor voltage high or low codes first. Doing so will ensure that there is no shorted circuit or sensor causing this voltage code to set. If no other codes have set:-- Replace the Engine Control Module -J623-. Refer to appropriate Repair Information.
P06B0 - Scr Control Module Detects Short Circuit Of Its Sensor Supply Voltage -- Check the Reducing Agent Metering System Control Module -J880- Refer to Reducing Agent Heater Control Module - J891-, CHECKING
P06C5 - Glow Plug Functional Check: Proper Glow Plug Mounted -- Check the Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P06E5 - Glow Plug Control Module Offset Plausibility Check -- Check the Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
P150A - Engine Off Time Rationality Check -- Check ALL power and grounds at the ECM. Refer to the wiring diagrams for location at the ECM. The ECM must have a battery power supply when the key is off to run the timer and system checks. If power and grounds are present, replace the ECM.
P169A - Ecm: Transport Mode Vehicle In Transport Mode -- Transport mode can be turned off with a scan tool or will automatically switch off after 50 mph on vehicle.
P2002 - Diesel Particulate Filter Functional Check: Dpf Efficiency -- Check the Exhaust Pressure Sensor -G450-. Refer to Differential Pressure Sensor -G505-, CHECKING .-- If the pressure sensors are OK, a Service Bay Regeneration should be performed using a VAS 5052 (available for rental) or equivalent scan tool
P2004 18436 Intake Manifold Runner Flap Actuator Functional Check: Stuck Open -- Check the Intake Flap Control Unit -GX14-. Refer to Intake Flap Control Unit -GX14-, CHECKING .
P2006 - Intake Manifold Runner Flap Actuator Functional Check: Stuck Close -- Check the Intake Flap Control Unit -GX14-. Refer to Intake Flap Control Unit -GX14-, CHECKING .
P2009 18441 Intake Manifold Runner Flap Actuator Short To Ground -- Check the Intake Flap Control Unit -GX14-. Refer to Intake Flap Control Unit -GX14-, CHECKING .
P2010 - Intake Manifold Runner Flap Actuator Short To Battery Plus -- Check the Intake Flap Control Unit -GX14-. Refer to Intake Flap Control Unit -GX14-, CHECKING .
P2016 18448 Intake Manifold Runner Flap Position Sensor Signal Range Check Low -- Check the Intake Flap Control Unit -GX14-. Refer to Intake Flap Control Unit -GX14-, CHECKING .
P2031 - Egt Sensor Upstream Catalyst Short To Battery / Open Circuit -- Check the Exhaust Gas Temperature Sensor 3A -G646-. Refer to Exhaust Gas Temperature Sensor 3A -G646-, CHECKING .
P2032 - Egt Sensor Upstream Catalyst Short To Ground -- Check the Exhaust Gas Temperature Sensor 3A -G646-. Refer to Exhaust Gas Temperature Sensor 3A -G646-, CHECKING .
P203A - Scr Tank Level Sensor Open Circuit / Short To Ground -- Check the Reducing Agent Reservoir Sensor -G697-. Refer to Reducing Agent Reservoir Sensor -G697-, CHECKING .
P203B - Scr Tank Level Sensor Rationality Check -- Check the Reducing Agent Reservoir Sensor -G697-. Refer to Reducing Agent Reservoir Sensor -G697-, CHECKING .
P203D - Scr Tank Level Sensor Short To Battery Pus -- Check the Reducing Agent Reservoir Sensor -G697-. Refer to Reducing Agent Reservoir Sensor -G697-, CHECKING .
P2047 - Scr Dosing Valve Open Circuit -- Check the Reduction Agent Injector --. Refer to Reducing Agent Injector - N474-, CHECKING .
P2048 - Scr Dosing Valve Short To Ground -- Check the Reduction Agent Injector --. Refer to Reducing Agent Injector - N474-, CHECKING .
P2049 - Scr Dosing Valve Short To Battery -- Check the Reduction Agent Injector --. Refer to Reducing Agent Injector - N474-, CHECKING .
P204A - Scr Pressure Sensor Open Circuit / Short To Ground -- Check the Reducing Agent Metering System Pressure Sensor -G686-. Refer to Reducing Agent Metering System Pressure Sensor - G686-, CHECKING .
P204B - Scr Pressure Sensor Rationality Check -- Check the Reducing Agent Metering System Pressure Sensor -G686-. Refer to Reducing Agent Metering System Pressure Sensor - G686-, CHECKING .
P204D - Scr Pressure Sensor Short To Battery Plus -- Check the Reducing Agent Metering System Pressure Sensor -G686-. Refer to Reducing Agent Metering System Pressure Sensor - G686-, CHECKING .
P205A - Scr Tank Temperature Sensor Short To Battery / Open Circuit -- Check the Reducing Agent Tank Temperature Sensor --. Refer to Reducing Agent Temperature Sensor - G685-, CHECKING .
P205B - Scr Tank Temperature Sensor Rationality Check -- Check the Reducing Agent Tank Temperature Sensor --. Refer to Reducing Agent Temperature Sensor - G685-, CHECKING .
P205C - Scr Tank Temperature Sensor Short To Ground -- Check the Reducing Agent Tank Heater (Heating Circuit 1) -Z102-. Refer to Reducing Agent Temperature Sensor - G685-, CHECKING .
P207F - Scr Catalyst Functional Check: Proper Reductant In Tank -- This code will set after a refill event (based on fluid level change) and the ECM does not see a change in NOx during dosing. Check fluid in tank for contamination, wrong color (AD Blue is clear in color) or foreign substance used in refill. Drain tank completely and refill with fresh AD Blue if contamination is present.-- Check the NOx Sensor Module 1 - 2 --. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING .-- Check the reducing agent. Refer to REDUCING AGENT (ADBLUE®) CONSUMPTION OR QUALITY CHECKING
P2080 - Egt Sensor Upstream Turbocharger Plausibility Check -- Check the Exhaust Gas Temperature Sensor 1 -G235-. Refer to Exhaust Gas Temperature Sensor 1 -G235-, CHECKING .
P2084 - Egt Sensor Upstream Catalyst Plausibility Check -- Check the Exhaust Gas Temperature Sensor 3A -G646-. Refer to Exhaust Gas Temperature Sensor 3A -G646-, CHECKING .
P208A - Scr Pump Control Open Circuit -- Check the Reducing Agent Pump -V437-. Refer to Reducing Agent Pump -V437-, CHECKING .
P208B - Scr: Control Module Scr Pump Does Not Rotate With Expected Speed -- Check the Reducing Agent Pump -V437-. Refer to Reducing Agent Pump -V437-, CHECKING .
P208C - Scr Pump Control Short To Ground -- Check the Reducing Agent Pump -V437-. Refer to Reducing Agent Pump -V437-, CHECKING .
P208D - Scr Pump Control Short To Battery -- Check the Reducing Agent Pump -V437-. Refer to Reducing Agent Pump -V437-, CHECKING .
P208E - Scr Dosing Valve Rationality Check -- Check the Reducing Agent Injector -N474-. Refer to Reducing Agent Injector - N474-, CHECKING .
P20B7 - SCR Heater Circuit 2 out of range low -- Check the Reducing Agent Line Heater (Heating Circuit 2) -Z104-. Refer to Reducing Agent Line Heater (Heating Circuit 2) - Z104-, CHECKING .
P20B8 - SCR Heater Circuit 2 out of range high -- Check the Reducing Agent Line Heater (Heating Circuit 2) -Z104-. Refer to Reducing Agent Line Heater (Heating Circuit 2) - Z104-, CHECKING .
P20B9 - Scr Heater Circuit 1 Open Circuit -- Check the Reducing Agent Tank Heater (Heating Circuit 1) -Z102-. Refer to Reducing Agent Tank Heater (Heating Circuit 1) - Z102-, CHECKING .
P20BB - Scr Heater Circuit 1 Short To Ground -- Check the Reducing Agent Tank Heater (Heating Circuit 1) -Z102-. Refer to Reducing Agent Tank Heater (Heating Circuit 1) - Z102-, CHECKING .
P20BC - Scr Heater Circuit 1 Short To Battery -- Check the Reducing Agent Tank Heater (Heating Circuit 1) -Z102-. Refer to Reducing Agent Tank Heater (Heating Circuit 1) - Z102-, CHECKING .
P20BD - Scr Heater Circuit 2 Open Circuit -- Check the Reducing Agent Line Heater (Heating Circuit 2) -Z104-. Refer to Reducing Agent Line Heater (Heating Circuit 2) - Z104-, CHECKING .
P20BF - Scr Heater Circuit 2 Short To Ground -- Check the Reducing Agent Line Heater (Heating Circuit 2) -Z104-. Refer to Reducing Agent Line Heater (Heating Circuit 2) - Z104-, CHECKING .
P20C0 - Scr Heater Circuit 2 Short To Battery -- Check the Reducing Agent Line Heater (Heating Circuit 2) -Z104-. Refer to Reducing Agent Line Heater (Heating Circuit 2) - Z104-, CHECKING .
P20E8 - Scr Delivery System Functional Check -- Check the Reducing Agent Metering System Pressure Sensor -G686-. Refer to Reducing Agent Metering System Pressure Sensor - G686-, CHECKING .
P20E9 - Scr Delivery System Function Check -- Check the Reducing Agent Metering System Pressure Sensor -G686-. Refer to Reducing Agent Metering System Pressure Sensor - G686-, CHECKING .-- Check the Reducing Agent Metering System Control Module -J880-. Refer to Reducing Agent Heater Control Module - J891-, CHECKING .
P20EE - Scr Catalyst Functional Check: Conversion Efficiency -- If a NOx sensor code is also present, diagnose that code first. Check Reducing Agent (AdBlue®) Quality. Refer to REDUCING AGENT (ADBLUE®) CONSUMPTION OR QUALITY CHECKING .-- Check the NOx Sensor after the catalyst. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING .-- Check the Reducing Agent Injector --. Refer to Reducing Agent Injector - N474-, CHECKING .
P20F4 - Scr Catalyst Adaptive Value Limit High -- Check the Reducing Agent Injector --. Refer to Reducing Agent Injector - N474-, CHECKING . -- Check Reducing Agent (AdBlue®) Quality. Refer to REDUCING AGENT (ADBLUE®) CONSUMPTION OR QUALITY CHECKING .
P20F5 - Scr Catalyst Adaptive Value Limit Low -- Check the Reducing Agent Injector --. Refer to Reducing Agent Injector - N474-, CHECKING . -- Check Reducing Agent (AdBlue®) Quality. Refer to REDUCING AGENT (ADBLUE®) CONSUMPTION OR QUALITY CHECKING .
P20F - Scr Delivery System Functional Check: Reductant Delivery -- This code will set after a refill event (based on fluid level change) and ECM does not see a change in NOx during dosing. Check fluid in tank for contamination, wrong color (AD Blue is clear in color) or foreign substance used in refill. Drain tank completely and refill with fresh AD Blue if contamination is present.-- Check the NOx Sensor Module 1 - 2 --. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING .-- Refer to REDUCING AGENT (ADBLUE®) CONSUMPTION OR QUALITY CHECKING .
P20FF - Scr Control Module Detects Internal Hardware Defects -- Check for any sensor or voltage related codes first and repair as necessary. If P20FF resets:-- Replace the Reducing Agent Metering System Control Module -J880- Refer to appropriate Repair Information.
P2101 18533 Throttle Actuator Electrical Error -- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338-, CHECKING .
P2111 - Throttle Actuator Functional Check: Stuck Open -- Check the Throttle Valve Control Module --. Refer to Throttle Valve Control Module -J338-, CHECKING .
P2122 18554 Accelerator Pedal Position Sensor 1 Out Of Range Low -- Check the Accelerator Pedal Module -GX2-. Refer to Accelerator Pedal Module - GX2-, CHECKING .
P2123 18555 Accelerator Pedal Position Sensor 1 Out Of Range High -- Check the Accelerator Pedal Module -GX2-. Refer to Accelerator Pedal Module - GX2-, CHECKING .
P2127 18559 Accelerator Pedal Position Sensor 2 Out Of Range Low -- Check the Accelerator Pedal Module -GX2-. Refer to Accelerator Pedal Module - GX2-, CHECKING .
P2128 18560 Accelerator Pedal Position Sensor 2 Out Of Range High -- Check the Accelerator Pedal Module -GX2-. Refer to Accelerator Pedal Module - GX2-, CHECKING .
P2138 18570 Accelerator Pedal Position Sensor 1 And 2 Rationality Check -- Check the Accelerator Pedal Module -GX2-. Refer to Accelerator Pedal Module - GX2-, CHECKING .
P2146 18578 Injection Valves Internal Check -- Check the Fuel Injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, CHECKING .
P2149 18581 Injection Valves Internal Check -- Check the Fuel Injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, CHECKING .
P214E - Scr: Control Module Temperature Of Scr Pump Powerstage Is Too High -- Check for any sensor or voltage related codes first and repair as necessary. If P214E resets:-- Replace the Reducing Agent Heater Control Module -J891- Refer to the Repair Information for procedure.
P214F - Scr: Control Module Temperature Of Scr Heater Powerstage Is Too High -- Check for any sensor or voltage related codes first and repair as necessary. If P214E resets:-- Replace the Reducing Agent Heater Control Module -J891- Refer to the Repair Information for procedure.
P2181 18613 Engine Cooling System Rationality Check -- Check the Engine Coolant Temperature Sensor On Radiator Outlet -G83-. Refer to Engine Coolant Temperature Sensor On Radiator Outlet -G83-, CHECKING .
P2183 - Engine Coolant Temperature Sensor @ Radiator Outlet Cross Check -- Check the Engine Coolant Temperature Sensor On Radiator Outlet -G83-. Refer to Engine Coolant Temperature Sensor On Radiator Outlet -G83-, CHECKING .
P2184 18616 Engine Coolant Temperature Sensor @ Radiator Outlet Short To Ground -- Check the Engine Coolant Temperature Sensor On Radiator Outlet -G83-. Refer to Engine Coolant Temperature Sensor On Radiator Outlet -G83-, CHECKING .
P2195 18627 Oxygen Sensors Front Rationality Check -- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P2196 18628 Oxygen Sensors Front Rationality Check -- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P21C7 - Scr Control Module Detects Short Circuit To Ground Of Its Main Relay -- Check for any sensor or voltage related codes first and repair as necessary. If P21C7 resets:-- Replace the Reducing Agent Metering System Control Module -J880- Refer to the Repair Information for procedure.
P21C9 - Scr Control Module Detects Short Circuit To Battery Of Its Main Relay -- Check for any sensor or voltage related codes first and repair as necessary. If P21C7 resets:-- Replace the Reducing Agent Metering System Control Module -J880- Refer to the Repair Information for procedure.
P21CA - Scr Control Module Detects Short Circuit To Ground Of B+ Supply Or Heater Supply -- Check the Reducing Agent Metering System Control Module -J880- Refer to Reducing Agent Heater Control Module - J891-, CHECKING
P21CC - Scr Control Module Detects Short Circuit To Battery Of B+ Supply Or Heater Supply -- Check the Reducing Agent Metering System Control Module -J880- Refer to Reducing Agent Heater Control Module - J891-, CHECKING
P2200 - Nox Sensor Front Open Circuit -- Check the Nox Sensor -G295-. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING .
P2201 - Nox Sensor Front Rationality Check Low -- Check for any sensor related codes. If a related sensor fault is set, diagnose it first. If no related sensor codes are set, check for an exhaust leak. Refer to the Repair Information for Exhaust System procedures and cautions. -- Check the Nox Sensor -G295-. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING .
P2202 - Nox Sensor Front Out Of Range Low -- Check the Nox Sensor -G295-. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING .
P2203 - Nox Sensor Front Out Of Range High -- Check the Nox Sensor -G295-. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING .
P2209 - Nox Sensor Front Rationality Check -- Check the Nox Sensor -G295-. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING .
P220A - Nox Sensor Front Circuit Continuity Check -- Check the Nox Sensor -G295-. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING .
P220B - Nox Sensor Rear Circuit Continuity Check -- Check the Nox Sensor 2 -G687-. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING .
P2237 18669 Oxygen Sensors Front O2s Signal Check - Circuit Continuity -- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P2243 18675 Oxygen Sensors Front O2s Signal Check - Circuit Continuity -- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P2251 18683 Oxygen Sensors Front O2s Signal Check - Circuit Continuity -- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P226C - Boost Pressure Control Functional Check: Vgt Slow Response -- Check the Turbocharger 1 -VX12-. Refer to Turbocharger 1 - VX12-, CHECKING .
P2279 18711 Boost Pressure Hose Leakage Functional Check By Modeled Mass Air Flow -- Check for leaking engine gaskets, oil cap gasket torn/missing, oil dipstick not seated in tube or leak in the intake duct after the Mass Air Flow sensor.
P2294 18726 Fuel Pressure Regulator Valve Open Circuit -- Check the Fuel Metering Valve -N290-. Refer to Fuel Metering Valve -N290-, CHECKING .
P2295 18727 Fuel Pressure Regulator Valve Short To Ground -- Check the Fuel Metering Valve -N290-. Refer to Fuel Metering Valve -N290-, CHECKING .
P2296 18728 Fuel Pressure Regulator Valve Short To Battery Voltage -- Check the Fuel Metering Valve -N290-. Refer to Fuel Metering Valve -N290-, CHECKING .
P229E - Nox Sensor Rear Open Circuit -- Check the Nox Sensor 2 -G687-. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING .
P229F - Nox Sensor Rear Signal Range Check -- Check the Nox Sensor 2 -G687-. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING .
P22A0 - Nox Sensor Rear Out Of Range Low -- Check the Nox Sensor 2 -G687-. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING .
P22A1 - Nox Sensor Rear Out Of Range High -- Check the Nox Sensor 2 -G687-. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING .
P22A7 - Nox Sensor Rear Rationality Check -- Check the Nox Sensor 2 -G687-. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING .
P240F - Egr System Functional Check: Dynamic Response Behavior Of Air Mass -- Check all intake ducts and connections for air leaks, including the suction and pressure side of the turbo. Any air leak will distort the calculated airflow numbers and set this fault.-- Check the EGR Motor -V338- / EGR Potentiometer -G212-. Refer to EGR Valve 1 -GX5-, CHECKING .
P2425 18857 Egr Cooler Bypass Valve Open Circuit -- Check the EGR Cooler Switch Over Valve --. Refer to EGR Cooler Switch Over Valve -N345-, CHECKING .
P2426 18858 Egr Cooler Bypass Valve Short To Ground -- Check the EGR Cooler Switch Over Valve --. Refer to EGR Cooler Switch Over Valve -N345-, CHECKING .
P2427 18859 Egr Cooler Bypass Valve Short To Battery -- Check the EGR Cooler Switch Over Valve --. Refer to EGR Cooler Switch Over Valve -N345-, CHECKING .
P242A - Egt Sensor Downstream Catalyst Short To Battery / Open Circuit -- Check the Exhaust Gas Temperature Sensor 3 -G495-. Refer to Exhaust Gas Temperature Sensor 3 -G495-, CHECKING .
P242B - Egt Sensor Downstream Catalyst Plausibility Check -- Check the Exhaust Gas Temperature Sensor 3 -G495-. Refer to Exhaust Gas Temperature Sensor 3 -G495-, CHECKING .
P242C - Egt Sensor Downstream Catalyst Short To Ground -- Check the Exhaust Gas Temperature Sensor 3 -G495-. Refer to Exhaust Gas Temperature Sensor 3 -G495-, CHECKING .
P244C - Diesel Particulate Filter Exhaust Gas Temperature Sensor -Feedback Check -- If no Exhaust Temperature Sensor codes are set, a Service Bay Regeneration should be performed using a VAS 5052 (available for rental) or equivalent scan tool with regeneration capability.
P2452 - Dpf Pressure Sensor Short To Battery / Open Circuit -- Check the Exhaust Pressure Sensor --. Refer to Differential Pressure Sensor -G505-, CHECKING .
P2453 - Dpf Pressure Sensor Rationality Check -- Check the Exhaust Pressure Sensor --. Refer to Differential Pressure Sensor -G505-, CHECKING .
P2454 - Dpf Pressure Sensor Short To Ground -- Check the Exhaust Pressure Sensor --. Refer to Differential Pressure Sensor -G505-, CHECKING .
P2458 - Diesel Particulate Filter Functional Check: Regeneration -- Check for DPF increased particle mass. Refer to DIESEL PARTICULATE FILTER (DPF) INCREASED PARTICLE MASS, CHECKING .
P2459 - Diesel Particulate Filter Functional Check: Regeneration Frequency -- DPF filter may have too much restriction due to age and buildup of contaminants. Perform a Service Regeneration. If the filter still shows a restriction, replacement will be required. If the filter was previously replaced and is unable to regenerate:-- Check for increased exhaust particle mass. Refer to DIESEL PARTICULATE FILTER (DPF) INCREASED PARTICLE MASS, CHECKING .
P245B - Egr Cooler System Exhaust Gas Temperature Monitoring -- Check the EGR Cooler Switch Over Valve --. Refer to EGR Cooler Switch Over Valve -N345-, CHECKING .
P2463 - Diesel Particulate Filter Functional Check -- Service Bay Regeneration must be performed using a VAS 5052 (available for rental) or equivalent scan tool
P246E - Egt Sensor Downstream Dpf Short To Battery / Open Circuit -- Check the Exhaust Gas Temperature Sensor 4 -G648-. Refer to Exhaust Gas Temperature Sensor 4 -G648-, CHECKING .
P246F - Egt Sensor Downstream Dpf Plausibility Check -- Check the Exhaust Gas Temperature Sensor 4 -G648-. Refer to Exhaust Gas Temperature Sensor 4 -G648-, CHECKING .
P2470 - Egt Sensor Downstream Dpf Short To Ground -- Check the Exhaust Gas Temperature Sensor 4 -G648-. Refer to Exhaust Gas Temperature Sensor 4 -G648-, CHECKING .
P247A - Diesel Particulate Filter Functional Check: Active Injection -- Check the Exhaust Gas Temperature Sensor 3 -G495-. Refer to Exhaust Gas Temperature Sensor 3 -G495-, CHECKING .
P24AE - Pm Sensor Short To Battery -- Check the Particulate Sensor -G784- Refer to Particulate Sensor - G784-, CHECKING .
P24AF - Pm Sensor Functional Check: Protection Tube Plugged / Manipulated, Sensor Removed -- Check the Particulate Sensor -G784- Refer to Particulate Sensor - G784-, CHECKING -- Inspected the PM Sensor protection tube for plugged / manipulated, sensor removed.
P24B0 - Pm Sensor Rationality Check: Bypass Current Monitor -- Check the Particulate Sensor -G784- Refer to Particulate Sensor - G784-, CHECKING .
P24B1 - Pm Sensor Short To Battery -- Check the Particulate Sensor -G784- Refer to Particulate Sensor - G784-, CHECKING .
P24B3 - Pm Sensor Heater Functional Check -- Check the Particulate Sensor -G784- Refer to Particulate Sensor - G784-, CHECKING .
P24B5 - Pm Sensor Heater Short To Ground -- Check the Particulate Sensor -G784- Refer to Particulate Sensor - G784-, CHECKING .
P24B6 - Pm Sensor Heater Short To Battery -- Check the Particulate Sensor -G784- Refer to Particulate Sensor - G784-, CHECKING .
P24C6 - Pm Sensor Signal Range Check Low -- Check the Particulate Sensor -G784- Refer to Particulate Sensor - G784-, CHECKING .
P24C7 - Pm Sensor Cross Check -- Check the Particulate Sensor -G784- Refer to Particulate Sensor - G784-, CHECKING .
P24D0 - Pm Sensor Signal Range Check Low -- Check the Particulate Sensor -G784- Refer to Particulate Sensor - G784-, CHECKING .
P2564 18996 Boost Pressure Position Sensor Out Of Range Low -- Check the Turbocharger 1 -VX12-. Refer to Turbocharger 1 - VX12-, CHECKING .
P2565 18997 Boost Pressure Position Sensor Out Of Range High -- Check the Turbocharger 1 -VX12-. Refer to Turbocharger 1 - VX12-, CHECKING .
P268A - Zero Fuel Calibration Adaptive Value Limit High -- The ECM will need to be programmed using a VAS 5052 (available for rental) or equivalent scan tool, with the calibration number stamped on the injectors (or change the individual calibration number for an injector that was replaced during diagnosis).
P3348 - Boost Pressure Actuator Electrical Error -- Check the Turbocharger 1 -VX12-. Refer to Turbocharger 1 - VX12-, CHECKING .
U0001 28673 Can: Powertrain-Can Reading Back Sent Message -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .
U0002 - Can: Powertrain-Can Can Communication Check -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .
U0028 - (Only For Vehicle With Hybrid Control Or Sensor With Can Connection - Nox) Reading Back Sent Message -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .
U0029 - (Only For Vehicle With Hybrid Control Or Sensor With Can Connection - Nox) Can Communication Check -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .
U0037 - (Only For Vehicle With Master/Slave Ecm) Can: Master-/Slave-Can Reading Back Sent Message -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .
U0038 - (Only For Vehicle With Master/Slave Ecm) Can: Master-/Slave-Can Can Communication Check -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .
U0101 28773 Can: Transmission Control Module (Tcm) Can Communication With Tcm -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .-- If the TCM CAN Bus test passes, check TCM communication with a scan tool. If no TCM communication with scan tool and all other modules communicate, check TCM power and grounds. If OK, replace TCM Module.
U0106 - Lin: Glow Plug Control Module Communication Check -- Check the Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
U010E - Scr Control Module Detects Faults Concerning Received Can Messages -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .
U0121 28793 Can: Brake System Control Module (Bscm) Can Communication With Bscm -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .-- If the ABS CAN Bus test passes, check ABS communication with a scan tool. If no ABS communication with scan tool and all other modules communicate, check ABS power and grounds. If OK, replace ABS Module.
U0140 - Can: Body Control Module (Bcm) Can Communication With Body Control Module -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .-- If the BCM CAN Bus test passes, check BCM communication with a scan tool. If no BCM communication with scan tool and all other modules communicate, check BCM power and grounds. If OK, replace BCM Module.
U0146 28818 Can: Gateway Can Communication With Gateway -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .-- If only 1 module has set this code, the gateway is operational and the fault will be with the module that set the code. Check module power and grounds. If OK, replace the module that does not communicate.
U0155 28827 Can: Instrument Cluster Can Communication With Instrument Cluster Module -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .-- If the IPC CAN Bus test passes, check IPC communication with a scan tool. If no IPC communication with scan tool and all other modules communicate, check IPC power and grounds. If OK, replace IPC Module.
U02A3 - Can : Pm Sensor Can Communication With Pm Sensor -- received CAN message
U0302 28974 Can: Transmission Control Module (Tcm) Can Communication With Tcm -- Check for correct software in ECM and TCM. If software is incorrect, reflash module with correct software.
U0307 - Glow Plug Control Module Lin Communication With Glow Plug Control Module -- Check part number of Glow Control Unit. Application is incorrect. Replace with correct unit.
U0402 29074 Can: Transmission Control Module (Tcm) Can Communication With Tcm -- May have VIN error or incorrect software. Check VIN and software number for correct data.
U0407 - Lin: Glow Plug Control Module Communication Check -- Check the Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG CHECKING .
U040F - Scr: Control Module Scr Control Module Detects Invalid Dataset -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .
U0415 29087 Vehicle Speed Sensor Out Of Range High -- Refer to the Repair Information for ABS diagnosis.
U0423 - Can: Ambient Air Temperature Sensor Communication With Instrument Cluster Module -- May have VIN error. Check VIN in each module for correct data
U0447 - Can: Gateway Can Communication With Gateway -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .
U04A4 - Pm Sensor Signal Range Check -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .
U1006 - Can: Nox-Sensor Can Communication With Nox-Sensor 1 -- Check the NOx Sensor. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING .
U1024 - Can: Ambient Air Temperature Sensor Communication With Instument Cluster Module -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .
U1026 - Can: Torque Converter Clutch Can Communication With Torque Converter Clutch -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .
U102A - (Only For Vehicle With Master/Slave Ecm) Can: Master-/Slave-Can Reading Back Sent Message -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .
U102B - (Only For Vehicle With Master/Slave Ecm) Can: Master-/Slave-Can Can Communication Check -- Check the CAN Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .
U1034 - Can: Nox-Sensor Can Communication With Nox-Sensor 1 -- Check the NOx Sensor. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING .
U10C1 - Can: Nox-Sensor Can Communication With Nox-Sensor 2 -- Check the NOx Sensor. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING
U10C2 - Can: Nox-Sensor Can Communication With Nox-Sensor 2 -- Check the NOx Sensor. Refer to Nox Sensor Control Module - J583- / Nox Sensor Control Module 2 - J881-, CHECKING .
U1103 - Ecm: Production Mode Vehicle In Production Mode  
U140C - Scr: Control Module Control Module Detects Too Low Supply Voltage -- Check the Reducing Agent Metering System Control Module -J880-. Refer to Reducing Agent Heater Control Module - J891-, CHECKING .
U140D - Scr: Control Module Scr Control Module Detects Too High Supply Voltage -- Check the Reducing Agent Metering System Control Module -J880-. Refer to Reducing Agent Heater Control Module - J891-, CHECKING .
U140E - Scr: Control Module Scr Control Module Detects Too Low Supply Voltage (Short Time Fault) -- Check the Reducing Agent Metering System Control Module -J880-. Refer to Reducing Agent Heater Control Module - J891-, CHECKING .
U140F - Scr: Control Module Scr Control Module Detects Too High Supply Voltage (Short Time Fault) -- Check the Reducing Agent Metering System Control Module -J880-. Refer to Reducing Agent Heater Control Module - J891-, CHECKING .
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