Diagnostic Trouble Codes (DTC) Index
DIAGNOSTIC TROUBLE CODES (DTC) INDEX
| SAE Code | VAG Code | Code Description | Corrective Action |
|---|---|---|---|
| P0030 | 16414 | HO2S Heater Control Circuit (Bank 1 Sensor 1) | -- Check the Oxygen Sensor (O2S) Heater -Z19-. |
| P0031 | 16415 | HO2S Heater Control Circuit (Bank 1 Sensor 1) Low | -- Check the Oxygen Sensor (O2S) Heater -Z19-. |
| P0032 | 16416 | HO2S Heater Control Circuit (Bank 1 Sensor 1) High | -- Check the Oxygen Sensor (O2S) Heater -Z19-. |
| P0101 | 16485 | Mass or Volume Air Flow Circuit | -- Check Mass Air Flow (MAF) Sensor -G70-. Refer to MASS AIR FLOW SENSOR, CHECKING . |
| P0102 | 16486 | Mass or Volume Air Flow A Circuit Low Input | -- Check Mass Air Flow (MAF) Sensor -G70-. Refer to MASS AIR FLOW SENSOR, CHECKING . |
| P0103 | 16487 | Mass or Volume Air Flow A Circuit High Input | -- Check Mass Air Flow (MAF) Sensor -G70-. Refer to MASS AIR FLOW SENSOR, CHECKING . |
| P0112 | 16496 | Intake Air Temperature Sensor 1 Circuit Low | -- Check the Intake Air Temperature (IAT) Sensor -G42-. Refer to INTAKE AIR TEMPERATURE SENSOR, CHECKING . |
| P0113 | 16497 | Intake Air Temperature Sensor 1 Circuit High | -- Check the Intake Air Temperature (IAT) Sensor -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 . |
| P0121 | 16505 | Throttle/Pedal Position Sensor A Circuit Range/Performance | -- Check the Throttle Position (TP) Sensor -G79-/Accelerator Pedal Position Sensor 2 -G185-. Refer to THROTTLE POSITION SENSOR AND ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING . |
| P0123 | 16507 | Throttle/Pedal Position Sensor A Circuit High Input | -- Check the Throttle Position (TP) Sensor -G79-/Accelerator Pedal Position Sensor 2 -G185-. Refer to THROTTLE POSITION SENSOR AND ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING . |
| P0128 | 16512 | Coolant Thermostat/Valve Temperature below control range | -- Check Engine Coolant Temperature (ECT) Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING . |
| P0135 | 16519 | O2 Sensor Heater Circuit, Bank 1- Sensor 1 Electrical Fault | -- Check Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR, CHECKING . |
| P0181 | 16565 | Fuel temperature sensor 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 . |
| P0200 | 16584 | Injector Circuit Electrical Malfunction | -- Check the fuel injectors --. Refer to FUEL INJECTOR, CHECKING |
| P0201 | 16585 | Injector Circuit/Open Cylinder 1 | -- Check the fuel injectors --. Refer to FUEL INJECTOR, CHECKING |
| P0202 | 16586 | Injector Circuit/Open Cylinder 2 | -- Check the fuel injectors --. Refer to FUEL INJECTOR, CHECKING |
| P0203 | 16587 | Injector Circuit/Open Cylinder 3 | -- Check the fuel injectors --. Refer to FUEL INJECTOR, CHECKING |
| P0204 | 16588 | Injector Circuit/Open Cylinder 4 | -- Check the fuel injectors --. Refer to FUEL INJECTOR, CHECKING |
| P0230 | 16614 | Fuel Pump Primary Circuit Fault in electrical circuit | -- Check the Diesel Injection Pump. |
| P0234 | 16618 | Turbo/Super Charger Overboost Condition limit exceeded | -- Check Wastegate Bypass Regulator Valve -N75-. Refer to WASTEGATE BYPASS REGULATOR VALVE, CHECKING . |
| P0236 | 16620 | Turbo/Super Charger Boost Sensor (A) Circuit-G31 Range/Performance | -- Check Wastegate Bypass Regulator Valve -N75-. Refer to WASTEGATE BYPASS REGULATOR VALVE, CHECKING . |
| P0237 | 16621 | Turbo/Super Charger Boost Sensor (A) Circuit Low Input | -- Check Wastegate Bypass Regulator Valve -N75-. Refer to WASTEGATE BYPASS REGULATOR VALVE, CHECKING . |
| P0238 | 16622 | Turbo/Super Charger Boost Sensor (A) Circuit High Input | -- Check Wastegate Bypass Regulator Valve -N75-. Refer to WASTEGATE BYPASS REGULATOR VALVE, CHECKING . |
| P0243 | 16627 | Turbo/Super Charger Wastegate Solenoid (A) Open/Short Circuit to Ground | -- Check Wastegate Bypass Regulator Valve -N75-. Refer to WASTEGATE BYPASS REGULATOR VALVE, CHECKING . |
| P0245 | 16629 | Turbo/Super Charger Wastegate Solenoid "A" Low Input/Short to ground | -- Check Wastegate Bypass Regulator Valve -N75-. Refer to WASTEGATE BYPASS REGULATOR VALVE, CHECKING . |
| P0246 | 16630 | Turbo/Super Charger Wastegate Solenoid "A" High Input/Short to B+ | -- Check Wastegate Bypass Regulator Valve -N75-. Refer to WASTEGATE BYPASS REGULATOR VALVE, CHECKING . |
| P0263 | 16647 | Cylinder 1 Contribution/Balance | Refer to Removal and Installation . |
| P0266 | 16650 | Cylinder 2 Contribution/Balance | Refer to Removal and Installation |
| P0269 | 16653 | Cylinder 3 Contribution/Balance | Refer to Removal and Installation |
| P0272 | 16656 | Cylinder 4 Contribution/Balance | Refer to Removal and Installation |
| P0299 | 16683 | Turbo/Super Charger Boost Sensor (A) Circuit Control limit not reached | -- Check Wastegate Bypass Regulator Valve -N75-. Refer to WASTEGATE BYPASS REGULATOR VALVE, CHECKING . |
| P0300 | 16684 | Random/Multiple Cylinder. Misfire Detected | -- Check cylinder combustion. -- Check electrical connection to Diesel Fuel Injection Pump. -- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING . -- Check for a plugged fuel filter . -- Check the Fuel Injector --. Refer to FUEL INJECTOR, CHECKING . -- Check the Exhaust Gas Recirculation (EGR) Valve --. Refer to EXHAUST GAS RECIRCULATION VACUUM REGULATOR SOLENOID VALVE, CHECKING |
| P0301 | 16685 | Cylinder 1 Misfire Detected | -- Check cylinder combustion
. -- Check electrical connection to Diesel Fuel Injection Pump. -- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING . -- Check for a plugged fuel filter . -- Check the Fuel Injector --. Refer to FUEL INJECTOR, CHECKING . -- Check the Exhaust Gas Recirculation (EGR) Valve --. Refer to EXHAUST GAS RECIRCULATION VACUUM REGULATOR SOLENOID VALVE, CHECKING |
| P0302 | 16686 | Cylinder 2 Misfire Detected | -- Check cylinder combustion
. -- Check electrical connection to Diesel Fuel Injection Pump. -- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING . -- Check for a plugged fuel filter . -- Check the Fuel Injector --. Refer to FUEL INJECTOR, CHECKING . -- Check the Exhaust Gas Recirculation (EGR) Valve --. Refer to EXHAUST GAS RECIRCULATION VACUUM REGULATOR SOLENOID VALVE, CHECKING |
| P0303 | 16687 | Cylinder 3 Misfire Detected | -- Check cylinder combustion
. -- Check electrical connection to Diesel Fuel Injection Pump.-- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING . -- Check for a plugged fuel filter . -- Check the Fuel Injector --. Refer to FUEL INJECTOR, CHECKING . -- Check the Exhaust Gas Recirculation (EGR) Valve --. Refer to EXHAUST GAS RECIRCULATION VACUUM REGULATOR SOLENOID VALVE, CHECKING |
| P0304 | 16688 | Cylinder 4 Misfire Detected | -- Check cylinder combustion
. -- Check electrical connection to Diesel Fuel Injection Pump. -- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING . -- Check for a plugged fuel filter . -- Check the Fuel Injector --. Refer to FUEL INJECTOR, CHECKING . -- Check the Exhaust Gas Recirculation (EGR) Valve --. Refer to EXHAUST GAS RECIRCULATION VACUUM REGULATOR SOLENOID VALVE, CHECKING |
| P0381 | 16765 | Glow Plug/Heater Indicator Circuit | -- Check Glow Plugs (engine) -Q6-. Refer to GLOW PLUGS, CHECKING . |
| P0401 | 16785 | Exhaust Gas Recirculation Flow Insufficient Detected | -- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EXHAUST GAS RECIRCULATION VACUUM REGULATOR SOLENOID VALVE, CHECKING
. -- Check the Exhaust Gas Recirculation (EGR) Valve --. Refer to EXHAUST GAS RECIRCULATION VACUUM REGULATOR SOLENOID VALVE, CHECKING |
| P0402 | 16786 | Exhaust Gas Recirculation Flow Excessive Detected | -- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EXHAUST GAS RECIRCULATION VACUUM REGULATOR SOLENOID VALVE, CHECKING
. -- Check the Exhaust Gas Recirculation (EGR) Valve --. Refer to EXHAUST GAS RECIRCULATION VACUUM REGULATOR SOLENOID VALVE, CHECKING |
| P0403 | 16787 | Exhaust gas recirculation valve -N18 Malfunction | -- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EXHAUST GAS RECIRCULATION VACUUM REGULATOR SOLENOID VALVE, CHECKING . |
| P0404 | 16788 | Exhaust Gas Recirculation Contr. Circuit Range/Performance | -- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EXHAUST GAS RECIRCULATION VACUUM REGULATOR SOLENOID VALVE, CHECKING . |
| P0421 | 16805 | Warm Up Catalyst, Bank 1 Efficiency Below Threshold | |
| P0431 | 16815 | Warm Up Catalyst, Bank 2 Efficiency Below Threshold | |
| P0600 | 16984 | Serial Communication Link (Data Bus) Message Missing | -- Check the CAN-Bus link between Diesel Direct Fuel Injection (DFI) Engine Control Module (ECM) -J248- and Transmission Control Module (TCM) -J217- and Vehicle Electrical System Control Module -J519- |
| P0605 | 16989 | Internal Control Module Read Only Memory (ROM) Error | -- Replace the Diesel Direct Fuel Injection (DFI) Engine Control Module (ECM) -J248- DIESEL DIRECT FUEL INJECTION ECM, REPLACING . |
| P0607 | 16991 | Control Module Performance | -- Replace the Diesel Direct Fuel Injection (DFI) Engine Control Module (ECM) -J248- DIESEL DIRECT FUEL INJECTION ECM, REPLACING . |
| P0642 | 17026 | Sensor Reference Voltage -A- Circuit Low | -- Check the Turbocharger (TC) Vane Position Sensor -G500- TURBOCHARGER GENERAL INFORMATION . |
| P0643 | 17027 | Sensor Reference Voltage -A- Circuit High | -- Check the Turbocharger (TC) Vane Position Sensor -G500- TURBOCHARGER GENERAL INFORMATION . |
| P0652 | 17036 | Sensor Reference Voltage -B- Circuit Low | -- Check the Turbocharger (TC) Vane Position Sensor -G500- TURBOCHARGER GENERAL INFORMATION . |
| P0653 | 17037 | Sensor Reference Voltage -B- Circuit High | -- Check the Turbocharger (TC) Vane Position Sensor -G500- TURBOCHARGER GENERAL INFORMATION . |
| P0670 | 17054 | Glow Plug Module 1 Control Circuit electrical malfunction electrical circuit | -- Check the Glow Plug Relay -J52-. Refer to AUTOMATIC GLOW TIME CONTROL MODULE, CHECKING
. -- Check the Glow Plugs --. Refer to GLOW PLUGS, CHECKING . |
| P0671 | 17055 | Cylinder 1 Glow Plug Circuit Q10 Electrical Fault | -- Check the Glow Plug Relay -J52-. Refer to AUTOMATIC GLOW TIME CONTROL MODULE, CHECKING
. -- Check the Glow Plugs --. Refer to GLOW PLUGS, CHECKING . |
| P0672 | 17056 | Cylinder 2 Glow Plug Circuit Q11 Electrical Fault | -- Check the Glow Plug Relay -J52-. Refer to AUTOMATIC GLOW TIME CONTROL MODULE, CHECKING
. -- Check the Glow Plugs --. Refer to GLOW PLUGS, CHECKING . |
| P0673 | 17057 | Cylinder 3 Glow Plug Circuit Q12 Electrical Fault | -- Check the Glow Plug Relay -J52-. Refer to AUTOMATIC GLOW TIME CONTROL MODULE, CHECKING
. -- Check the Glow Plugs --. Refer to GLOW PLUGS, CHECKING . |
| P0674 | 17057 | Cylinder 4 Glow Plug Circuit Q13 Electrical Fault | -- Check the Glow Plug Relay -J52-. Refer to AUTOMATIC GLOW TIME CONTROL MODULE, CHECKING
. -- Check the Glow Plugs --. Refer to GLOW PLUGS, CHECKING . |
| P0684 | 17068 | Glow Plug Control Module to PCM Communication Circuit Range/Performance | -- Check the Glow Plug Relay -J52-. Refer to AUTOMATIC GLOW TIME CONTROL MODULE, CHECKING . |
| P0726 | 17110 | Engine Speed Input Circuit Range/Performance | Refer to AUTOMATIC TRANSMISSION 01M, CHECKING ELECTRICAL COMPONENTS |
| P0727 | 17111 | Engine Speed Input Circuit No Signal | Refer to AUTOMATIC TRANSMISSION 01M, CHECKING ELECTRICAL COMPONENTS |
| P1026 | 17434 | Activation intake manifold flap for air stream regulation Short circuit to B+ | -- Check the Intake Flap Motor -V157-. Refer to INTAKE FLAP MOTOR, CHECKING . |
| P1027 | 17435 | Activation intake manifold flap for air stream regulation Short circuit to Ground (GND) | -- Check the Intake Flap Motor -V157-. Refer to INTAKE FLAP MOTOR, CHECKING . |
| P1028 | 17436 | Activation intake manifold flap for air stream regulation Open circuit | -- Check the Intake Flap Motor -V157-. Refer to INTAKE FLAP MOTOR, CHECKING . |
| P2100 | 18532 | Throttle Actuator Control Motor Circuit/Open | -- Check the Mass Air Flow (MAF) Sensor -G70-. Refer to MASS AIR FLOW SENSOR, CHECKING . |
| P2101 | 18533 | Throttle Actuator Control Motor Circuit Range/Performance | -- Check the Intake Air Temperature (IAT) Sensor -G72-. Refer to INTAKE AIR TEMPERATURE SENSOR, CHECKING . |
| P2102 | 18534 | Throttle Actuator Control Motor Circuit Low | -- Check the Intake Air Temperature (IAT) Sensor -G72-. Refer to INTAKE AIR TEMPERATURE SENSOR, CHECKING . |
| P2103 | 18535 | Throttle Actuator Control Motor Circuit High | -- Check the Fuel Temperature Sensor -G81-. Refer to FUEL TEMPERATURE SENSOR, CHECKING . |
| P2108 | 18540 | Throttle Actuator Control Module Performance | -- Check the Fuel Temperature Sensor -G81-. Refer to FUEL TEMPERATURE SENSOR, CHECKING . |
| P2195 | 18627 | O2 Sensor Signal Stuck Lean Bank 1 Sensor 1 | -- Check Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR, CHECKING . |
| P2196 | 18628 | O2 Sensor Signal Stuck Rich Bank 1 Sensor 1 | -- Check Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR, CHECKING . |
| P2237 | 18669 | O2 Sensor Positive Current Control Circuit Bank 1 Sensor 1 Open | -- Check Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR, CHECKING . |
| P2238 | 18670 | O2 Sensor Positive Current Control Circuit Bank 1 Sensor 1 Low | -- Check Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR, CHECKING . |
| P2239 | 18671 | O2 Sensor Positive Current Control Circuit Bank 1 Sensor 1 High | -- Check Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR, CHECKING . |
| P2243 | 18675 | O2 Sensor Reference Voltage Circuit Bank 2 Sensor 1 Open | -- Check Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR, CHECKING . |
| P2245 | 18677 | O2 Sensor Reference Voltage Circuit Bank 1 Sensor 1 Low | -- Check Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR, CHECKING . |
| P2246 | 18678 | O2 Sensor Reference Voltage Circuit Bank 1 Sensor 1 High | -- Check Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR, CHECKING . |
| P2251 | 18683 | O2 Sensor Negative Current Control Circuit Bank 1 Sensor 1 Open | -- Check Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR, CHECKING . |
| P2252 | 18684 | O2 Sensor Negative Current Control Circuit Bank 1 Sensor 1 Low | -- Check Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR, CHECKING . |
| P2253 | 18685 | O2 Sensor Negative Current Control Circuit Bank 1 Sensor 1 High | -- Check Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR, CHECKING . |
| P2413 | 18845 | Exhaust Gas Recirculation System Performance | -- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EXHAUST GAS RECIRCULATION VACUUM REGULATOR SOLENOID VALVE, CHECKING
. -- Check the Exhaust Gas Recirculation (EGR) Valve --. Refer to EXHAUST GAS RECIRCULATION VACUUM REGULATOR SOLENOID VALVE, CHECKING |
| P2425 | 18857 | Exhaust Gas Recirculation (EGR) Cooler Switch-over Valve Open | -- Check the Exhaust Gas Recirculation (EGR) Cooler Switch-Over Valve -N345-. Refer to EXHAUST GAS RECIRCULATION COOLER SWITCH-OVER VALVE, CHECKING |
| P2426 | 18858 | Exhaust Gas Recirculation (EGR) Cooler Switch-over Valve | -- Check the Exhaust Gas Recirculation (EGR) Cooler Switch-Over Valve -N345-. Refer to EXHAUST GAS RECIRCULATION COOLER SWITCH-OVER VALVE, CHECKING |
| P2427 | 18859 | Exhaust Gas Recirculation (EGR) Cooler Switch-over Valve Short to B+ | -- Check the Exhaust Gas Recirculation (EGR) Cooler Switch-Over Valve -N345-. Refer to EXHAUST GAS RECIRCULATION COOLER SWITCH-OVER VALVE, CHECKING |