Diagnostic Trouble Codes (DTC) Index

DIAGNOSTIC TROUBLE CODES (DTC) INDEX

SAE Code	VAG Code	Code Description	Corrective Action
P000E	-	Fuel Volume Regulator Control Exceeded Learning Limit	-- Check the Fuel Pressure Metering Valve -N290-. Refer to FUEL PRESSURE METERING VALVE, CHECKING .
P00AF	-	Turbocharger Boost Control "A" Module Performance	-- Check the Charge Pressure Actuator Position Sensor -G581-. Refer to CHARGE PRESSURE ACTUATOR POSITION SENSOR .
P00D1	-	O2S Bank 1 Sensor 1 Heater Output Warm Up Time Exceeded	-- Check the Heated Oxygen Sensor (HO2S) --G39--. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
P00D2	-	O2S Bank 1 Sensor 2 Heater Output Warm Up Time Exceeded	-- Check the Heated Oxygen Sensor (HO2S) --G130--. Refer to OXYGEN SENSOR BEHIND CATALYTIC CONVERTER, CHECKING .
P00D5	-	O2S Bank 1 Sensor 1 to O2S Bank 1 Sensor 2 Implausible	-- Check the Heated Oxygen Sensor (HO2S) --G39--. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING . -- Check the Heated Oxygen Sensor (HO2S) --G130--. Refer to OXYGEN SENSOR BEHIND CATALYTIC CONVERTER, CHECKING .
P0045	-	Turbocharger Boost Control Solenoid "A" Circuit Open	-- Check the Wastegate Bypass Regulator Valve -N75-. Refer to WASTEGATE BYPASS REGULATOR VALVE, CHECKING .
P0047	-	Turbocharger Boost Control Solenoid "A" Circuit Low	-- Check the Wastegate Bypass Regulator Valve -N75-. Refer to WASTEGATE BYPASS REGULATOR VALVE, CHECKING .
P0048	-	Turbocharger Boost Control Solenoid "A" Circuit High	-- Check the Wastegate Bypass Regulator Valve -N75-. Refer to WASTEGATE BYPASS REGULATOR VALVE, CHECKING .
P0071	-	Ambient Air Temperature Sensor Circuit Range/Performance	-- Check the Ambient Air Temperature Sensor -G17-. Refer to AMBIENT AIR TEMPERATURE SENSOR CHECKING .
P0072	-	Ambient Air Temperature Sensor Circuit Low	-- Check the Ambient Air Temperature Sensor -G17-. Refer to AMBIENT AIR TEMPERATURE SENSOR CHECKING .
P0073	-	Ambient Air Temperature Sensor Circuit High	-- Check the Ambient Air Temperature Sensor -G17-. Refer to AMBIENT AIR TEMPERATURE SENSOR CHECKING .
P0087	16471	Fuel Rail/System Pressure - Too Low	-- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING . -- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE CHECKING .
P0088	16472	Fuel Rail/System Pressure - Too High	Check the fuel rail pressure with a gauge. CAUTION: HIGH FUEL PRESSURE. Refer to the appropriate Repair Information for procedure. If fuel pressure is high:-- Check the Fuel Pressure Metering Valve -N290-. Refer to FUEL PRESSURE METERING VALVE, CHECKING . If fuel pressure is in the normal range: -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING .
P0090	-	Fuel Pressure Regulator 1 Control Circuit	-- Check the Fuel Pressure Metering Valve -N290-. Refer to FUEL PRESSURE METERING VALVE, CHECKING .
P0091	-	Fuel Pressure Regulator 1 Control Circuit Low	-- Check the Fuel Pressure Metering Valve -N290-. Refer to FUEL PRESSURE METERING VALVE, CHECKING .
P0092	-	Fuel Pressure Regulator 1 Control Circuit High	-- Check the Fuel Pressure Metering Valve -N290-. Refer to FUEL PRESSURE METERING VALVE, CHECKING .
P0100	16484	Mass Air Flow Circuit	-- Check Mass Air Flow (MAF) Sensor -G70-. Refer to MASS AIR FLOW SENSOR, CHECKING .
P0101	16485	Mass Air Flow Circuit Range/Performance	-- Check Mass Air Flow (MAF) Sensor -G70-. Refer to MASS AIR FLOW SENSOR, CHECKING .
P0102	16486	Mass Air Flow Circuit Low Input	-- Check Mass Air Flow (MAF) Sensor -G70-. Refer to MASS AIR FLOW SENSOR, CHECKING .
P0103	16487	Mass Air Flow Circuit High Input	-- Check Mass Air Flow (MAF) Sensor -G70-. Refer to MASS AIR FLOW SENSOR, CHECKING .
P0111	16495	Intake Air Temperature Circuit Performance	-- Check Charge Air Pressure Sensor/IAT sensor -G31/G42-. Refer to INTAKE AIR TEMPERATURE SENSOR, CHECKING .
P0112	16496	Intake Air Temperature Circuit Low Input	-- Check Charge Air Pressure Sensor/IAT sensor -G31/G42-. Refer to INTAKE AIR TEMPERATURE SENSOR, CHECKING .
P0113	16497	Intake Air Temperature Circuit High Input	-- Check Charge Air Pressure Sensor/IAT sensor -G31/G42-. Refer to INTAKE AIR TEMPERATURE SENSOR, CHECKING .
P0116	16500	Engine Coolant Temperature Sensor 1 Circuit Range/Performance	-- Check Engine Coolant Temperature (ECT) Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING .
P0117	16501	Engine Coolant Temperature Sensor 1 Circuit low	-- Check Engine Coolant Temperature (ECT) Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING .
P0118	16502	Engine Coolant Temperature Sensor 1 Circuit High	-- Check Engine Coolant Temperature (ECT) Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING .
P0128	16512	Coolant Thermostat Temperature below control range	-- Check the thermostat for proper operation. Refer to the appropriate Repair Information for Diagnosis. -- Check Engine Coolant Temperature (ECT) Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING .
P013B	-	O2 Sensor Bank 1 Sensor 2 Slow Response Lean to Rich	-- Check Heated Oxygen Sensor (HO2S) --G130--. Refer to OXYGEN SENSOR BEHIND CATALYTIC CONVERTER, CHECKING .
P0130	16514	O2 Sensor Circuit Bank 1 Sensor 1 Malfunction	-- Check Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
P0132	16516	O2 Sensor Circuit Bank 1 Sensor 1 High Voltage	-- Check Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
P0133	16517	O2 Sensor Circuit Bank 1 Sensor 1 Slow Response	-- Check Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
P0135	16519	O2 Sensor Heater Circuit Bank 1 Sensor 1 Malfunction	-- Check Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
P0136	16520	O2 Sensor Circuit Bank 1 Sensor 2 Malfunction	-- Check Heated Oxygen Sensor (HO2S) --G130--. Refer to OXYGEN SENSOR BEHIND CATALYTIC CONVERTER, CHECKING .
P0138	16522	O2 Sensor Circuit Bank 1 Sensor 2 High Voltage	-- Check Heated Oxygen Sensor (HO2S) --G130--. Refer to OXYGEN SENSOR BEHIND CATALYTIC CONVERTER, CHECKING .
P0139	16523	O2 Sensor Circuit Bank 1 Sensor 2 Slow Response	-- Check Heated Oxygen Sensor (HO2S) --G130--. Refer to OXYGEN SENSOR BEHIND CATALYTIC CONVERTER, CHECKING .
P014D	-	O2 Sensor Bank 1 Sensor 1 Slow Response Lean to Rich	-- Check Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
P0141	16525	O2 Sensor Heater Circuit Bank 1 Sensor 2 Malfunction	-- Check Heated Oxygen Sensor (HO2S) --G130--. Refer to OXYGEN SENSOR BEHIND CATALYTIC CONVERTER, CHECKING .
P0181	16565	Fuel Temperature Sensor A Circuit Range/Performance	-- Check Fuel Temperature Sensor -G81-. Refer to FUEL TEMPERATURE SENSOR, CHECKING .
P0182	16566	Fuel Temperature Sensor A Circuit Low	-- Check Fuel Temperature Sensor -G81-. Refer to FUEL TEMPERATURE SENSOR, CHECKING .
P0183	16567	Fuel Temperature Sensor A Circuit High	-- Check Fuel Temperature Sensor -G81-. Refer to FUEL TEMPERATURE SENSOR, CHECKING .
P0191	16575	Fuel Rail Pressure Sensor Circuit Range/Performance	-- Check Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING .
P0192	16576	Fuel Rail Pressure Sensor Circuit Low Input	-- Check Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING .
P0193	16577	Fuel Rail Pressure Sensor Circuit High Input	-- Check Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING .
P020A	-	Cylinder 1 Injection Timing	-- Check Fuel Injectors -N30, N31, N32, N33-. Refer to FUEL INJECTORS, CHECKING . -- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
P020B	-	Cylinder 2 Injection Timing	-- Check Fuel Injectors -N30, N31, N32, N33-. Refer to FUEL INJECTORS, CHECKING . -- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
P020C	-	Cylinder 3 Injection Timing	-- Check Fuel Injectors -N30, N31, N32, N33-. Refer to FUEL INJECTORS, CHECKING . -- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
P020D	-	Cylinder 4 Injection Timing	-- Check Fuel Injectors -N30, N31, N32, N33-. Refer to FUEL INJECTORS, CHECKING . -- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
P0201	16585	Cylinder 1 Injector Circuit	-- Check Fuel Injectors -N30, N31, N32, N33-. Refer to FUEL INJECTORS, CHECKING .
P0202	16586	Cylinder 2 Injector Circuit	-- Check Fuel Injectors -N30, N31, N32, N33-. Refer to FUEL INJECTORS, CHECKING .
P0203	16587	Cylinder 3 Injector Circuit	-- Check Fuel Injectors -N30, N31, N32, N33-. Refer to FUEL INJECTORS, CHECKING .
P0204	16588	Cylinder 4 Injector Circuit	-- Check Fuel Injectors -N30, N31, N32, N33-. Refer to FUEL INJECTORS, CHECKING .
P0234	16618	Turbo Charger Overboost Condition limit exceeded	-- Check Wastegate Bypass Regulator Valve -N75-. Refer to WASTEGATE BYPASS REGULATOR VALVE, CHECKING .
P0236	16620	Turbocharger Boost Sensor (A) Circuit Performance	-- Check Charge Air Pressure Sensor/IAT sensor -G31/G42-. Refer to CHARGE AIR PRESSURE SENSOR, CHECKING .
P0237	16621	Turbocharger Boost Sensor (A) Circuit Low Input	-- Check Charge Air Pressure Sensor/IAT sensor -G31/G42-. Refer to CHARGE AIR PRESSURE SENSOR, CHECKING .
P0238	16622	Turbocharger Boost Sensor (A) Circuit High Input	-- Check Charge Air Pressure Sensor/IAT sensor -G31/G42-. Refer to CHARGE AIR PRESSURE SENSOR, CHECKING .
P026A	-	Charge Air Cooler Efficiency Too Low	Check the air to air intercooler in front of the radiator for debris obstructing the cooling fins, restricted or collapsed hoses, damaged or missing lower fascia or splash shield. Correct the condition and clear the DTC. Test drive vehicle.
P0263	16647	Cylinder 1 Contribution/Balance	-- Check Fuel Injector -N30-. Refer to FUEL INJECTORS, CHECKING . -- Check cylinder compression. Refer to the appropriate Repair Information.
P0266	16650	Cylinder 2 Contribution/Balance	-- Check Fuel Injector - N31-. Refer to FUEL INJECTORS, CHECKING . -- Check cylinder compression. Refer to the appropriate Repair Information.
P0269	16653	Cylinder 3 Contribution/Balance	-- Check Fuel Injector - N32-. Refer to FUEL INJECTORS, CHECKING . -- Check cylinder compression. Refer to the appropriate Repair Information.
P026A	-	Charge Air Cooler Efficiency Below Threshold	Check for air restriction to cooler or debris on the cooling fins. Check accuracy of IAT sensor. Refer to INTAKE AIR TEMPERATURE SENSOR, CHECKING
P0272	16656	Cylinder 4 Contribution/Balance	-- Check Fuel Injector - N33-. Refer to FUEL INJECTORS, CHECKING . -- Check cylinder compression. Refer to the appropriate Repair Information.
P0299	16683	Turbo Charger Underboost	-- Check Wastegate Bypass Regulator Valve -N75-. Refer to WASTEGATE BYPASS REGULATOR VALVE, CHECKING . -- Check Charge Air Pressure Sensor/IAT sensor -G31/G42-. Refer to CHARGE AIR PRESSURE SENSOR, CHECKING .
P0300	16684	Random/Multiple Cylinder. Misfire Detected	-- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING . -- Check for a plugged fuel filter or restricted/kinked line. Refer to the appropriate Repair Information -- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING . -- Check the Fuel Pressure. WARNING: The Fuel is under HIGH PRESSURE. Refer to the appropriate Repair Information for procedure.
P0301	16685	Cylinder 1 Misfire Detected	-- Check cylinder compression. Refer to the appropriate Repair Information. -- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING . -- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING . -- Check for a plugged fuel filter or restricted/kinked line. Refer to the appropriate Repair Information -- Check the Fuel Pressure. WARNING: The Fuel is under HIGH PRESSURE. Refer to the appropriate Repair Information for procedure.
P0302	16686	Cylinder 2 Misfire Detected	-- Check cylinder compression. Refer to the appropriate Repair Information. -- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING . -- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING . -- Check for a plugged fuel filter or restricted/kinked line. Refer to the appropriate Repair Information -- Check the Fuel Pressure. WARNING: The Fuel is under HIGH PRESSURE. Refer to the appropriate Repair Information for procedure.
P0303	16687	Cylinder 3 Misfire Detected	-- Check cylinder compression. Refer to the appropriate Repair Information. -- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING . -- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING . -- Check for a plugged fuel filter or restricted/kinked line. Refer to the appropriate Repair Information. -- Check the Fuel Pressure. WARNING: The Fuel is under HIGH PRESSURE. Refer to the appropriate Repair Information for procedure.
P0304	16688	Cylinder 4 Misfire Detected	-- Check cylinder compression. Refer to the appropriate Repair Information. -- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING . -- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING . -- Check for a plugged fuel filter or restricted/kinked line. Refer to the appropriate Repair Information -- Check the Fuel Pressure. WARNING: The Fuel is under HIGH PRESSURE. Refer to the appropriate Repair Information for procedure.
P0321	16705	Engine Speed Input Circuit Range/Performance	-- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
P0322	16706	Engine Speed Input Circuit No Signal	-- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
P0381	16765	Glow Plug/Heater Indicator Circuit	-- Check Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING .
P0383	-	Glow Plug Control Module Control Circuit Low	-- Check Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING .
P040B	-	Exhaust Gas Recirculation Temperature Sensor Circuit Range/Performance	-- Check EGR Temperature Sensor -G98-. Refer to EGR TEMPERATURE SENSOR, CHECKING .
P040C	-	Exhaust Gas Recirculation Temperature Sensor Circuit Low	-- Check EGR Temperature Sensor -G98-. Refer to EGR TEMPERATURE SENSOR, CHECKING .
P040D	-	Exhaust Gas Recirculation Temperature Sensor Circuit High	-- Check EGR Temperature Sensor -G98-. Refer to EGR TEMPERATURE SENSOR, CHECKING .
P0401	16785	Exhaust Gas Recirculation Insufficient Flow Detected	-- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR VACUUM REGULATOR SOLENOID VALVE WITH POTENTIOMETER, CHECKING .
P0402	16786	Exhaust Gas Recirculation Excessive Flow Detected	-- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR VACUUM REGULATOR SOLENOID VALVE WITH POTENTIOMETER, CHECKING .
P0403	16787	Exhaust Gas Recirculation Circuit	-- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR VACUUM REGULATOR SOLENOID VALVE WITH POTENTIOMETER, CHECKING .
P0405	-	Exhaust Gas Recirculation Sensor Circuit Low	-- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR VACUUM REGULATOR SOLENOID VALVE WITH POTENTIOMETER, CHECKING .
P0406	-	Exhaust Gas Recirculation Sensor Circuit High	-- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR VACUUM REGULATOR SOLENOID VALVE WITH POTENTIOMETER, CHECKING .
P0420	16804	Catalyst System Bank 1 Efficiency Below Threshold	-- Check the Catalytic Converter. Refer to CATALYTIC CONVERTER, CHECKING .
P045A	-	Exhaust Gas Recirculation "B" Control Circuit	-- Check EGR Valve 2 and Position Sensor -N213-. Refer to EGR VALVE 2 WITH POSITION SENSOR .
P045B	-	Exhaust Gas Recirculation "B" Control Circuit Range/Performance	-- Check EGR Valve 2 and Position Sensor -N213-. Refer to EGR VALVE 2 WITH POSITION SENSOR .
P045C	-	Exhaust Gas Recirculation "B" Control Circuit Low	-- Check EGR Valve 2 and Position Sensor -N213-. Refer to EGR VALVE 2 WITH POSITION SENSOR .
P045D	-	Exhaust Gas Recirculation "B" Control Circuit High	-- Check EGR Valve 2 and Position Sensor -N213-. Refer to EGR VALVE 2 WITH POSITION SENSOR .
P045E	-	Exhaust Gas Recirculation "B" Control Stuck Open	-- Check EGR Valve 2 and Position Sensor -N213-. Refer to EGR VALVE 2 WITH POSITION SENSOR .
P045F	-	Exhaust Gas Recirculation "B" Control Stuck Closed	-- Check EGR Valve 2 and Position Sensor -N213-. Refer to EGR VALVE 2 WITH POSITION SENSOR .
P046C	-	Exhaust Gas Recirculation Sensor "A" Circuit Range/Performance	-- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR VACUUM REGULATOR SOLENOID VALVE WITH POTENTIOMETER, CHECKING .
P047C	-	Exhaust Pressure Sensor "B" Low	-- Check Exhaust Pressure Sensor -G450/G451-. Refer to EXHAUST PRESSURE SENSOR 1 OR 2, CHECKING .
P047D	-	Exhaust Pressure Sensor "B" High	-- Check Exhaust Pressure Sensor -G450/G451-. Refer to EXHAUST PRESSURE SENSOR 1 OR 2, CHECKING .
P047F	-	Exhaust Pressure Control Valve "A" Stuck Open	-- Check Exhaust Flap Control Module J883. Refer to EXHAUST FLAP CONTROL MODULE, CHECKING .
P0470	-	Exhaust Pressure Sensor "A"	-- Check Exhaust Pressure Sensor -G450/G451-. Refer to EXHAUST PRESSURE SENSOR 1 OR 2, CHECKING .
P0471	-	Exhaust Pressure Sensor "A" Range/Performance	-- Check Exhaust Pressure Sensor -G450/G451-. Refer to EXHAUST PRESSURE SENSOR 1 OR 2, CHECKING .
P0472	-	Exhaust Pressure Sensor A Low	-- Check Exhaust Pressure Sensor -G450/G451-. Refer to EXHAUST PRESSURE SENSOR 1 OR 2, CHECKING .
P0473	-	Exhaust Pressure Sensor A High	-- Check Exhaust Pressure Sensor -G450/G451-. Refer to EXHAUST PRESSURE SENSOR 1 OR 2, CHECKING .
P0475	-	Exhaust Pressure Control Valve "A"	-- Check Exhaust Flap Control Module -J883-. Refer to EXHAUST FLAP CONTROL MODULE, CHECKING .
P0477	-	Exhaust Pressure Control Valve "A" Low	-- Check Exhaust Flap Control Module -J883-. Refer to EXHAUST FLAP CONTROL MODULE, CHECKING .
P0478	-	Exhaust Pressure Control Valve "A" High	-- Check Exhaust Flap Control Module -J883-. Refer to EXHAUST FLAP CONTROL MODULE, CHECKING .
P048A	-	Exhaust Pressure Control Valve "A" Stuck Closed	-- Check Exhaust Flap Control Module -J883-. Refer to EXHAUST FLAP CONTROL MODULE, CHECKING .
P048B	-	Exhaust Pressure Control Valve Position Sensor Circuit Low	-- Check Exhaust Flap Control Module -J883-. Refer to EXHAUST FLAP CONTROL MODULE, CHECKING .
P048C	-	Exhaust Pressure Control Valve Position Sensor Circuit Range/Performance	-- Check Exhaust Flap Control Module -J883-. Refer to EXHAUST FLAP CONTROL MODULE, CHECKING .
P048E	-	Exhaust Pressure Control Valve Position Sensor Circuit High	-- Check Exhaust Flap Control Module -J883-. Refer to EXHAUST FLAP CONTROL MODULE, CHECKING .
P0486	-	Exhaust Gas Recirculation Sensor "B" Circuit	-- Check EGR Valve 2 and Position Sensor -N213-. Refer to EGR VALVE 2 WITH POSITION SENSOR .
P0501	16885	Vehicle Speed Sensor Performance	-- Check the speed signal input. Refer to SPEED SIGNAL, CHECKING .
P0503	16887	Vehicle Speed Sensor Intermittent High Signal	-- Check the speed signal input. Refer to SPEED SIGNAL, CHECKING .
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 or MAP related faults first. If OK: -- Check Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
P0507	16891	Idle Control System RPM Higher than Expected	-- Check Throttle Position (TP) Sensor -G79-/Accelerator Pedal Position Sensor 2 -G185-. Refer to THROTTLE POSITION SENSOR/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING . -- Check Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
P0534	-	Vehicle Speed Sensor "A" Intermittent/Erratic/High	-- Check the speed signal input. Refer to SPEED SIGNAL, CHECKING .
P0544	16928	Exhaust Gas Temperature Sensor Circuit - Bank 1	-- Check Exhaust Gas Temperature Sensor --. Refer to EXHAUST GAS TEMPERATURE SENSOR 1 - 4, CHECKING .
P0545	16929	Exhaust Gas Temperature Sensor Circuit - Bank 1 Low	-- Check Exhaust Gas Temperature Sensor --. Refer to EXHAUST GAS TEMPERATURE SENSOR 1 - 4, CHECKING .
P0562	16946	System Voltage Low Voltage	-- Check the Voltage Supply input. Refer to VOLTAGE SUPPLY, CHECKING .
P06A3	-	Sensor Reference Voltage "D" Circuit/Open	-- Check the Voltage Supply input. Refer to VOLTAGE SUPPLY, CHECKING .
P06B9	-	Cylinder 1 Glow Plug Circuit Range/Performance	-- Check the Glow Plugs --. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING .
P06BA	-	Cylinder 2 Glow Plug Circuit Range/Performance	-- Check the Glow Plugs --. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING .
P06BB	-	Cylinder 3 Glow Plug Circuit Range/Performance	-- Check the Glow Plugs --. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING .
P06BC	-	Cylinder 4 Glow Plug Circuit Range/Performance	-- Check the Glow Plugs --. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING .
P06C5	-	Cylinder 1 Glow Plug Incorrect	-- Check the Glow Plugs --. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING .
P06C6	-	Cylinder 2 Glow Plug Incorrect	-- Check the Glow Plugs --. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING .
P06C7	-	Cylinder 3 Glow Plug Incorrect	-- Check the Glow Plugs --. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING .
P06C8	-	Cylinder 4 Glow Plug Incorrect	-- Check the Glow Plugs --. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING .
P0604	16988	Internal Control Module Random Access Memory (RAM) Error	-- Replace the Engine Control Module (ECM) -J623- Refer to the appropriate Repair Information for procedure.
P0605	16989	Internal Control Module Read Only Memory (ROM) Error	-- Replace the Engine Control Module (ECM) -J623- Refer to the appropriate Repair Information for procedure.
P0606	16990	Internal Control Module Memory Check Sum Error	If ECM was just flashed, attempt to reflash ECM. If a second attempt fails:-- Replace the Engine Control Module (ECM) -J623- Refer to the appropriate Repair Information for procedure.
P0607	16991	Control Module Performance	-- Replace the Engine Control Module (ECM) -J623- Refer to the appropriate Repair Information for procedure.
P0627	17011	Fuel Pump "A" Control Circuit/Open	-- Check the Transfer Pump voltage input. Refer to the Transfer Pump voltage supply checking procedure in Repair Information for diagnosis.
P0628*	-	Fuel Pump "A" Control Circuit Low	-- Check the Transfer Pump voltage input. Refer to the Transfer Pump voltage supply checking procedure in Repair Information for diagnosis.
P0629*	-	Fuel Pump "A" Control Circuit High	-- Check the Transfer Pump voltage input. Refer to the Transfer Pump voltage supply checking procedure in Repair Information for diagnosis.
P0634*	-	ECM Internal Temperature Too High	-- Replace the Engine Control Module (ECM) -J623- Refer to the Repair Information for procedure.
P0638*	-	Throttle Actuator Control (Bank 1) Range/Performance	-- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
P064C	-	Glow Control Unit Module Error	Check for correct ECM software. If OK, replace Glow Control Unit. (Number of cylinders reported by Glow Control Unit (GCU) does not match ECM)
P0641	17025	Sensor Reference Voltage "A" Circuit Open	-- Check the Voltage Supply input. Refer to VOLTAGE SUPPLY, CHECKING .
P0651	17035	Sensor Reference Voltage "B" Circuit Open	-- Check the Voltage Supply input. Refer to VOLTAGE SUPPLY, CHECKING .
P066A	-	Cylinder 1 Glow Plug Control Circuit Low	-- Check the Glow Plugs --. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING .
P066C	-	Cylinder 2 Glow Plug Control Circuit Low	-- Check the Glow Plugs --. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING .
P066E	-	Cylinder 3 Glow Plug Control Circuit Low	-- Check the Glow Plugs --. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING .
P067A	-	Cylinder 4 Glow Plug Control Circuit Low	-- Check the Glow Plugs --. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING .
P0670	17054	Glow Plug Module 1 Control Circuit electrical malfunction electrical circuit	-- Check the Glow Plugs -- and the Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING .
P0671	17055	Cylinder 1 Glow Plug Circuit Q10 Electrical Fault	-- Check the Glow Plugs -- and the Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING .
P0672	17056	Cylinder 2 Glow Plug Circuit Q11 Electrical Fault	-- Check the Glow Plugs -- and the Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING .
P0673	17057	Cylinder 3 Glow Plug Circuit Q12 Electrical Fault	-- Check the Glow Plugs -- and the Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING .
P0674	17057	Cylinder 4 Glow Plug Circuit Q13 Electrical Fault	-- Check the Glow Plugs -- and the Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING .
P068A	-	ECM Power Relay Performance - De-Energized Too Early	-- Check the ECM Power Relay -J317-. Refer to ECM POWER SUPPLY RELAY, CHECKING .
P068B	-	ECM Power Relay Performance - De-Energized Too Late	-- Check the ECM Power Relay -J317-. Refer to ECM POWER SUPPLY RELAY, CHECKING .
P0684	17068	Glow Plug Control Module to PCM Communication Circuit Range/Performance	-- Check the Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING .
P0697	17081	Sensor Reference Voltage "C" Circuit Open	-- Check the Voltage Supply input. Refer to VOLTAGE SUPPLY, CHECKING .
P1004	-	Torque difference cylinder 1 Limiting value exceeded	-- Check for a plugged fuel filter or restricted/kinked line. Refer to the appropriate Repair Information -- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING . -- Check the Fuel Pressure. WARNING: The Fuel is under EXTREMELY HIGH pressure. Refer to the appropriate Repair Information for procedure
P1005	-	Torque difference cylinder 2 Limiting value exceeded	-- Check for a plugged fuel filter or restricted/kinked line. Refer to the appropriate Repair Information -- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING . -- Check the Fuel Pressure. WARNING: The Fuel is under EXTREMELY HIGH pressure. Refer to the appropriate Repair Information for procedure
P1006	-	Torque difference cylinder 3 Limiting value exceeded	-- Check for a plugged fuel filter or restricted/kinked line. Refer to the appropriate Repair Information -- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING . -- Check the Fuel Pressure. WARNING: The Fuel is under EXTREMELY HIGH pressure. Refer to the appropriate Repair Information for procedure
P1007	-	Torque difference cylinder 4 Limiting value exceeded	-- Check for a plugged fuel filter or restricted/kinked line. Refer to the appropriate Repair Information -- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING . -- Check the Fuel Pressure. WARNING: The Fuel is under EXTREMELY HIGH pressure. Refer to the appropriate Repair Information for procedure
P13CE	-	Sensor for internal pressure of cylinder 1 Electrical malfunction	-- Check the Cylinder Internal Pressure Sensor --. Refer to CYLINDER PRESSURE SENSOR CHECKING .
P13CF	-	Sensor for internal pressure of cylinder 1 Short circuit to ground	-- Check the Cylinder Internal Pressure Sensor --. Refer to CYLINDER PRESSURE SENSOR CHECKING .
P13DO	-	Sensor for internal pressure of cylinder 1 Implausible signal	-- Check the Cylinder Internal Pressure Sensor --. Refer to CYLINDER PRESSURE SENSOR CHECKING .
P13D1	-	Sensor for internal pressure of cylinder 2 Electrical malfunction	-- Check the Cylinder Internal Pressure Sensor --. Refer to CYLINDER PRESSURE SENSOR CHECKING .
P13D2	-	Sensor for internal pressure of cylinder 2 Short circuit to ground	-- Check the Cylinder Internal Pressure Sensor --. Refer to CYLINDER PRESSURE SENSOR CHECKING .
P13D3	-	Sensor for internal pressure of cylinder 2 Implausible signal	-- Check the Cylinder Internal Pressure Sensor --. Refer to CYLINDER PRESSURE SENSOR CHECKING .
P13D4	-	Sensor for internal pressure of cylinder 3 Electrical malfunction	-- Check the Cylinder Internal Pressure Sensor --. Refer to CYLINDER PRESSURE SENSOR CHECKING .
P13D5	-	Sensor for internal pressure of cylinder 3 Short circuit to ground	-- Check the Cylinder Internal Pressure Sensor --. Refer to CYLINDER PRESSURE SENSOR CHECKING .
P13D6	-	Sensor for internal pressure of cylinder 3 Implausible signal	-- Check the Cylinder Internal Pressure Sensor --. Refer to CYLINDER PRESSURE SENSOR CHECKING .
P13D7	-	Sensor for internal pressure of cylinder 4 Electrical malfunction	-- Check the Cylinder Internal Pressure Sensor --. Refer to CYLINDER PRESSURE SENSOR CHECKING .
P13D8	-	Sensor for internal pressure of cylinder 4 Short circuit to ground	-- Check the Cylinder Internal Pressure Sensor --. Refer to CYLINDER PRESSURE SENSOR CHECKING .
P13D9	-	Sensor for internal pressure of cylinder 4 Implausible signal	-- Check the Cylinder Internal Pressure Sensor --. Refer to CYLINDER PRESSURE SENSOR CHECKING .
P13E0	-	Sensor for internal pressure of cylinder 1 Malfunction	-- Check the Cylinder Internal Pressure Sensor --. Refer to CYLINDER PRESSURE SENSOR CHECKING . -- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
P13E1	-	Sensor for internal pressure of cylinder 2 Malfunction	-- Check the Cylinder Internal Pressure Sensor --. Refer to CYLINDER PRESSURE SENSOR CHECKING . -- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
P13E2	-	Sensor for internal pressure of cylinder 3 Malfunction	-- Check the Cylinder Internal Pressure Sensor --. Refer to CYLINDER PRESSURE SENSOR CHECKING . -- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
P13E3	-	Sensor for internal pressure of cylinder 4 Malfunction	-- Check the Cylinder Internal Pressure Sensor --. Refer to CYLINDER PRESSURE SENSOR CHECKING . -- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
P140C	-	Low Pressure EGR Sensor Position circuit high	-- Check the EGR Valve 2 and Position Sensor -N213-. Refer to EGR VALVE 2 WITH POSITION SENSOR .
P140E	-	Low Pressure EGR Sensor Position circuit Low	-- Check the EGR Valve 2 and Position Sensor -N213-. Refer to EGR VALVE 2 WITH POSITION SENSOR .
P20D8	-	Exhaust After Treatment Fuel Supply Control Performance	A Service Bay Regeneration should be performed using a VAS 5052 (available for rental) or equivalent scan tool. Drive veh and check Monitor status to see if system passes.
P2000	-	NOx Adsorber Efficiency Bank 1 Below Threshold	-- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING . -- Check the Heated Oxygen Sensor (HO2S) -G130-. Refer to OXYGEN SENSOR BEHIND CATALYTIC CONVERTER, CHECKING . -- Check the Catalytic Converter --. Refer to CATALYTIC CONVERTER, CHECKING .
P2002	-	Particulate Trap Bank 1 Efficiency Below Threshold	-- Check the Exhaust Pressure Sensor -G450/G451-. Refer to EXHAUST PRESSURE SENSOR 1 OR 2, 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 Control Bank 1 Stuck Open	-- Check the Intake Flap Motor -V157-. Refer to INTAKE MANIFOLD FLAP MOTOR AND RUNNER POSITION SENSOR, CHECKING .
P2006	-	Intake Manifold Runner Control Bank 1 Stuck Closed	-- Check the Intake Flap Motor -V157-. Refer to INTAKE MANIFOLD FLAP MOTOR AND RUNNER POSITION SENSOR, CHECKING .
P2008	18440	Intake Manifold Runner Bank 1 Control Circuit/Open	-- Check the Intake Flap Motor -V157-. Refer to INTAKE MANIFOLD FLAP MOTOR AND RUNNER POSITION SENSOR, CHECKING .
P2009	18441	Intake Manifold Runner Bank 1 Control Circuit Low	-- Check the Intake Flap Motor -V157-. Refer to INTAKE MANIFOLD FLAP MOTOR AND RUNNER POSITION SENSOR, CHECKING .
P2010	-	Intake Manifold Runner Control Circuit High, Bank 1	-- Check the Intake Flap Motor -V157-. Refer to INTAKE MANIFOLD FLAP MOTOR AND RUNNER POSITION SENSOR, CHECKING .
P2015	18447	Intake Manifold Runner Position Sensor Circuit Range/Performance	-- Check the Intake Flap Motor -V157-. Refer to INTAKE MANIFOLD FLAP MOTOR AND RUNNER POSITION SENSOR, CHECKING .
P2016	18448	Intake Manifold Runner Position Sensor Circuit Low	-- Check the Intake Flap Motor -V157-. Refer to INTAKE MANIFOLD FLAP MOTOR AND RUNNER POSITION SENSOR, CHECKING .
P2017	18449	Intake Manifold Runner Position Sensor Circuit High	-- Check the Intake Flap Motor -V157-. Refer to INTAKE MANIFOLD FLAP MOTOR AND RUNNER POSITION SENSOR, CHECKING .
P2031	-	Exhaust Gas Temperature Sensor 2 Circuit	-- Check the Exhaust Gas Temperature Sensor --. Refer to EXHAUST GAS TEMPERATURE SENSOR 1 - 4, CHECKING .
P2032	-	Exhaust Gas Temperature Sensor 2 Circuit Low	-- Check the Exhaust Gas Temperature Sensor --. Refer to EXHAUST GAS TEMPERATURE SENSOR 1 - 4, CHECKING .
P2080	-	Exhaust Gas Temperature Sensor Circuit Range/Performance	-- Check the Exhaust Gas Temperature Sensor --. Refer to EXHAUST GAS TEMPERATURE SENSOR 1 - 4, CHECKING .
P2084	-	Exhaust Gas Temperature Sensor 2 Circuit Range/Performance	-- Check the Exhaust Gas Temperature Sensor --. Refer to EXHAUST GAS TEMPERATURE SENSOR 1 - 4, CHECKING .
P2100	18532	Throttle Actuator Control Motor Circuit/Open	-- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
P2101	18533	Throttle Actuator Control Motor Circuit Range/performance	-- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
P2102	18534	Throttle Actuator Control Motor Circuit Low	-- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
P2103	18535	Throttle Actuator "A" Control Motor Circuit High	-- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
P2122	18554	Throttle/Pedal Position Sensor D Circuit Low Input	-- Check the Throttle Position (TP) Sensor -G79-/Accelerator Pedal Position Sensor 2 -G185-. Refer to THROTTLE POSITION SENSOR/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING .
P2123	18555	Throttle/Pedal Position Sensor D Circuit High Input	-- Check the Throttle Position (TP) Sensor -G79-/Accelerator Pedal Position Sensor 2 -G185-. Refer to THROTTLE POSITION SENSOR/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING .
P2127	18559	Throttle/Pedal Position Sensor E Circuit Low Input	-- Check the Throttle Position (TP) Sensor -G79-/Accelerator Pedal Position Sensor 2 -G185-. Refer to THROTTLE POSITION SENSOR/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING .
P2128	18560	Throttle/Pedal Position Sensor E Circuit High Input	-- Check the Throttle Position (TP) Sensor -G79-/Accelerator Pedal Position Sensor 2 -G185-. Refer to THROTTLE POSITION SENSOR/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING .
P2138	18570	Throttle/Pedal Position Sensor D/E Circuit Voltage Correlation	-- Check the Throttle Position (TP) Sensor -G79-/Accelerator Pedal Position Sensor 2 -G185-. Refer to THROTTLE POSITION SENSOR/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING .
P2183	-	Engine Coolant Temperature Sensor 2 Circuit Range/Performance	-- Check the Engine Coolant Temperature (ECT) Sensor 2 -G83-. Refer to ENGINE COOLANT TEMPERATURE SENSOR 2, CHECKING .
P2184	18616	Engine Coolant Temperature Sensor 2 Circuit Low	-- Check the Engine Coolant Temperature (ECT) Sensor 2 -G83-. Refer to ENGINE COOLANT TEMPERATURE SENSOR 2, CHECKING .
P2185	18617	Engine Coolant Temperature Sensor 2 Circuit High	-- Check the Engine Coolant Temperature (ECT) Sensor 2 -G83-. Refer to ENGINE COOLANT TEMPERATURE SENSOR 2, CHECKING .
P2195	18627	O2 Sensor Signal Stuck Lean Bank 1 Sensor 1	-- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
P2196	18628	O2 Sensor Signal Stuck Rich Bank 1 Sensor 1	-- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
P2237	18669	O2 Sensor Positive Current Control Circuit Bank 1 Sensor 1 Open	-- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
P2243	18675	O2 Sensor Reference Voltage Circuit Bank 1 Sensor 1 Open	-- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
P2251	18683	O2 Sensor Negative Current Control Circuit Bank 1 Sensor 1 open	-- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
P2270	18702	O2 Sensor Signal Stuck Lean; Bank 1 Sensor 2	-- Check the Heated Oxygen Sensor (HO2S) --G130--. Refer to OXYGEN SENSOR BEHIND CATALYTIC CONVERTER, CHECKING .
P2271	18703	O2 Sensor Signal Stuck Rich; Bank 1 Sensor 2	-- Check the Heated Oxygen Sensor (HO2S) --G130--. Refer to OXYGEN SENSOR BEHIND CATALYTIC CONVERTER, CHECKING .
P2279	18711	Intake Air System Leak	Check for leaking engine gaskets, oil cap not installed properly or leak in the intake duct after the Mass Air Flow sensor.
P2294	18726	Fuel Pressure Regulator 2 Control Circuit	-- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE CHECKING .
P2295	18727	Fuel Pressure Regulator 2 Control Circuit Low	-- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE CHECKING .
P2296	18728	Fuel Pressure Regulator 2 Control Circuit High	-- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE CHECKING .
P240F	-	Exhaust Gas Recirculation Slow Response	-- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR VACUUM REGULATOR SOLENOID VALVE WITH POTENTIOMETER, CHECKING . -- Check EGR Valve 2 and Position Sensor -N213-. Refer to EGR VALVE 2 WITH POSITION SENSOR .
P2413	18845	Exhaust Gas Recirculation System Performance	-- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR VACUUM REGULATOR SOLENOID VALVE WITH POTENTIOMETER, CHECKING . -- Check EGR Valve 2 and Position Sensor -N213-. Refer to EGR VALVE 2 WITH POSITION SENSOR .
P242A	-	Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 3	-- Check the Exhaust Gas Temperature Sensor --. Refer to EXHAUST GAS TEMPERATURE SENSOR 1 - 4, CHECKING .
P242B	-	Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 3 Range/Performance	-- Check the Exhaust Gas Temperature Sensor --. Refer to EXHAUST GAS TEMPERATURE SENSOR 1 - 4, CHECKING .
P242C	-	Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 3	-- Check the Exhaust Gas Temperature Sensor --. Refer to EXHAUST GAS TEMPERATURE SENSOR 1 - 4, CHECKING .
P244C	-	Exhaust Temperature Too Low For Particulate Filter Regeneration Bank 1	-- Check the Exhaust Gas Temperature Sensor --. Refer to EXHAUST GAS TEMPERATURE SENSOR 1 - 4, CHECKING .
P2452	-	Diesel Particulate Filter Differential Pressure Sensor Circuit	-- Check the Exhaust Pressure Sensor -G450/G451-. Refer to EXHAUST PRESSURE SENSOR 1 OR 2, CHECKING .
P2453	-	Diesel Particulate Filter Differential Pressure Sensor Circuit Range/Performance	-- Check the Exhaust Pressure Sensor -G450/G451-. Refer to EXHAUST PRESSURE SENSOR 1 OR 2, CHECKING .
P2454	-	Diesel Particulate Filter Differential Pressure Sensor Circuit Low	-- Check the Exhaust Pressure Sensor -G450/G451-. Refer to EXHAUST PRESSURE SENSOR 1 OR 2, CHECKING .
P2457	-	Exhaust Gas Recirculation Cooling System Performance	Check for kinks/obstructions in heater hose and EGR cooler. Check for low coolant level. -- Check the Exhaust Gas Temperature Sensor --. Refer to EXHAUST GAS TEMPERATURE SENSOR 1 - 4, CHECKING .
P2458	-	Diesel Particulate Filter Regeneration Duration	Perform a Service Bay Regeneration on the vehicle. If the regeneration was successful, the ambient temp. may have been too cold or drive cycle too short to generate enough heat in the catalyst system.
P2459	-	Diesel Particulate Filter Regeneration Frequency	Check with vehicle operator for driving conditions. If the vehicle is used to tow heavy loads or short trips in cold ambient temps, the soot build up will be more frequent and require Regeneration more often than normal. -- Check the Exhaust Pressure Sensors -G450/G451-. Refer to EXHAUST PRESSURE SENSOR 1 OR 2, CHECKING .
P246E	-	Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 4	-- Check the Exhaust Gas Temperature Sensor --. Refer to EXHAUST GAS TEMPERATURE SENSOR 1 - 4, CHECKING .
P246F	-	Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 4 Range/Performance	-- Check the Exhaust Gas Temperature Sensor --. Refer to EXHAUST GAS TEMPERATURE SENSOR 1 - 4, CHECKING .
P2463	-	Diesel Particulate Filter - Soot Accumulation	Service Bay Regeneration must be performed using a VAS 5052 (available for rental) or equivalent scan tool
P247A	-	Exhaust Gas Temperature Out of Range Bank 1 Sensor 3	-- Check the Exhaust Gas Temperature Sensor --. Refer to EXHAUST GAS TEMPERATURE SENSOR 1 - 4, CHECKING .
P2470	-	Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 4	-- Check the Exhaust Gas Temperature Sensor --. Refer to EXHAUST GAS TEMPERATURE SENSOR 1 - 4, CHECKING .
P2478	-	Exhaust Gas Temperature Out of Range Bank 1 Sensor 1	-- Check the Exhaust Gas Temperature Sensor --. Refer to EXHAUST GAS TEMPERATURE SENSOR 1 - 4, CHECKING .
P2563	-	Turbocharger Boost Control Position Sensor Circuit Range/Performance	-- Check the Charge Pressure Actuator Position Sensor -G581-. Refer to CHARGE PRESSURE ACTUATOR POSITION SENSOR .
P2564	18996	Turbocharger Boost Control Position Sensor Circuit Low	-- Check the Charge Pressure Actuator Position Sensor -G581-. Refer to CHARGE PRESSURE ACTUATOR POSITION SENSOR .
P2565	18997	Turbocharger Boost Control Position Sensor Circuit High	-- Check the Charge Pressure Actuator Position Sensor -G581-. Refer to CHARGE PRESSURE ACTUATOR POSITION SENSOR .
P2610	-	ECM/PCM Internal Engine Off Timer Performance	-- Replace the Engine Control Module (ECM) -J623- Refer to the appropriate Repair Information for procedure.
P2632	19064	Fuel Pump "B" Control Circuit Open	-- Check the Auxiliary Fuel Pump -V393-. Refer to AUXILIARY FUEL PUMP CHECKING .
P2633	-	Fuel Pump "B" Control Circuit Low	-- Check the Auxiliary Fuel Pump -V393-. Refer to AUXILIARY FUEL PUMP CHECKING .
P2634	19066	Fuel Pump "B" Control Circuit High	-- Check the Auxiliary Fuel Pump -V393-. Refer to AUXILIARY FUEL PUMP CHECKING .
P320B	-	O2 Bank 1 Sensor 2 Heater Performance	-- Check Heated Oxygen Sensor (HO2S) --G130--. Refer to OXYGEN SENSOR BEHIND CATALYTIC CONVERTER, CHECKING .
P320C	-	O2 Bank 1 Sensor 1/2 Lean Correlation	-- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, 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 .
U0101	28773	Lost Communication with TCM	-- Check the CAN Bus. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING . 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.
U0121	28793	Lost Communication With Anti-Lock Brake System (ABS) Control Module	-- Check the CAN Bus. Refer to CAN BUS TO ABS CONTROL MODULE, CHECKING .
U0155	28827	Lost Communication With Instrument Panel Cluster (IPC) Control Module	-- Check the CAN Bus. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING . 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.
U0302	28974	Software Incompatibility with Transmission Control Module	Check for correct software in ECM. If software is incorrect (manual transmission calibration on automatic trans vehicle), reflash module with correct software.
U0402	29074	Invalid Data Received From Transmission Control Module	VIN or application error (software). Check VIN and calibration number in TCM module for correct data. Reflash module with correct VIN or calibration.
U0415	29087	Invalid Data Received From Anti-Lock Brake System Control Module	May have vehicle speed error. Using a scan tool, check for correct vehicle speed reading from wheel sensors in ABS module. If an ABS fault (DTC) exists, refer to the ABS Diagnosis in the Repair Information.
U0423	-	Invalid Data Received From Instrument Panel Cluster Control Module	May have VIN error. Check VIN in each module for correct data
U1024	-	Communications Bus Fault, IPC to ECU	-- Check the CAN Bus. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING . Check IPC communication with a scan tool. If no IPC or intermittent communication with scan tool exists and all other modules communicate with tool, check IPC connectors and terminals for spread or loose connection. Check power and grounds. If above check results are OK, replace IPC Module.