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Codes by Reinier:
| P Codes | ||
|---|---|---|
| Trouble Code | Fault Location | Probable Cause |
| P000A | A Camshaft Position Slow Response | - |
| P0010 | Camshaft position (CMP) actuator, intake/left/front, bank 1 circuit malfunction | Wiring, CMP actuator, ECM |
| P0013 | Camshaft position (CMP) actuator, exhaust/right/rear, bank 1 -circuit malfunction | Wiring, CMP actuator, ECM |
| P0020 | Camshaft position (CMP) ·actuator, intake/left/front, bank 2 -circuit malfunction | Wiring, CMP actuator, ECM |
| P0023 | Camshaft position (CMP) actuator, exhaust/right/rear, bank 2 -circuit malfunction | Wiring, CMP actuator, ECM |
| P0026 | Intake valve control solenoid circuit, bank 1 range/performance | Wiring, intake valve control solenoid |
| P0027 | Exhaust valve control solenoid circuit, bank 1 range/performance | Wiring, exhaust valve control solenoid |
| P0028 | Intake valve control solenoid circuit, bank 2 range/performance | Wiring, intake valve control solenoid |
| P0029 | Exhaust valve control solenoid circuit, bank 2 range/performance | Wiring, exhaust valve control solenoid |
| P0031 | Heated oxygen sensor (HO2S) 1, bank 1, heater control -circuit low | Wiring short to earth, HO2S, ECM |
| P0032 | Heated oxygen sensor (HO2S) 1, bank 1, heater control -circuit high | Wiring short to positive, HO2S, ECM |
| P0037 | Heated oxygen sensor (HO2S) 2, bank 1, heater control -circuit low | Wiring short to earth, HO2S, ECM |
| P0038 | Heated oxygen sensor (HO2S) 2, bank 1, heater control -circuit high | Wiring short to positive, HO2S, ECM |
| P0043 | Heated oxygen sensor (HO2S) 3, bank 1, heater control circuit low | Wiring short to earth, 1"1025, ECM |
| P0044 | Heated oxygen sensor (HO2S) 3, bank 1, heater control -circuit high | Wiring short to positive, HO2S, ECM |
| P0051 | Heated oxygen sensor (HO2S) 1, bank 2, heater control -circuit low | Wiring short to earth, HO2S, ECM |
| P0052 | Heated oxygen sensor (HO2S) 1, bank 2, heater control -circuit high | Wiring short to positive, HO2S, ECM |
| P0053 | Heated oxygen sensor (HO2S), bank 1, sensor 1 -heater resistance | Wiring, HO2S |
| P0054 | Heated oxygen sensor (HO2S), bank 1, sensor 2 -heater resistance | Wiring, HO2S |
| P0055 | Heated oxygen sensor (HO2S), bank 1, sensor 3 -heater resistance | Wiring, HO2S |
| P0057 | Heated oxygen sensor (HO2S) 2, bank 2, heater control heater circuit low | Wiring short to earth, HO2S, ECM |
| P0058 | Heated oxygen sensor (HO2S) 2, bank 2, heater control circuit high | Wiring short to positive, HO2S, ECM |
| P0059 | Heated oxygen sensor (HO2S), bank 2, sensor 1 -heater resistance | Wiring, HO2S |
| P0060 | Heated oxygen sensor (HO2S), bank 2, sensor 2 -heater resistance | Wiring, HO2S |
| P0061 | Heated oxygen sensor (HO2S), bank 2, sensor 3 -heater resistance | Wiring, HO2S |
| P0063 | Heated oxygen sensor (HO2S) 3, bank 2, heater control circuit low | Wiring short to earth, HO2S, ECM |
| P0064 | Heated oxygen sensor (HO2S) 3, bank 2, heater control circuit high | Wiring short to positive, HO2S, ECM |
| P0088 | Fuel rail/system pressure too high | Fuel pump, fuel pressure regulator, fuel supply pipe blockage, mechanical fault |
| P0094 | Fuel system leak -small leak detected | Wiring, fuel pressure sensor, mechanical fault |
| P00AA | Intake Air Temperature Sensor 1 Circuit | - |
| P00AF | Turbocharger/Supercharger Boost Control "A" Module Performance | - |
| P0105 | Manifold absolute pressure (MAP) sensor barometric pressure (BARO) sensor -circuit malfunction | Wiring, MAP sensor, BARO sensor, ECM |
| P0106 | Manifold absolute pressure (MAF) sensor barometric pressure (BARO) sensor -range/performance problem | Intake/exhaust leak, wiring, MAP sensor, BARO sensor |
| P0107 | Manifold absolute pressure (MAP) sensor/barometric pressure (BARO) sensor -low input | Wiring short to earth, MAP sensor, BARO sensor, ECM |
| P0108 | Manifold absolute pressure (MAP) sensor/barometric pressure (BARO) sensor -high input | Wiring short to positive, MAP sensor, BARO sensor, ECM |
| P0109 | Manifold absolute pressure (MAP) sensor/barometric pressure (BARO) sensor -circuit intermittent | Wiring, poor connection, MAP sensor, BARO sensor, ECM |
| P0115 | Engine coolant temperature -(ECT) sensor circuit malfunction | Wiring, ECT sensor, ECM |
| P0126 | Insufficient coolant temperature for stable operation | Wiring, cooling system, coolant thermostat, ECT sensor |
| P0127 | Intake air temperature too high | Wiring short to earth, IAT sensor 2, mechanical fault, ECM |
| P0133 | Heated oxygen sensor (HO2S) 1, bank 1 -slow response | Heating inoperative, wiring, H025 |
| P0134 | Heated oxygen sensor (HO2S) 1, bank 1 -no activity detected | Wiring open circuit, heating inoperative, H025 |
| P0136 | Heated oxygen sensor (HO2S) 2, bank 1 circuit malfunction | Heating inoperative, wiring, H025, ECM |
| P0139 | Heated oxygen sensor (HO2S) 2, bank 1 -slow response | Heating inoperative, wiring, H028 |
| P0140 | Heated oxygen sensor (HO2S) 2, bank 1 no activity detected | Wiring, heating inoperative, H028, ECM |
| P0142 | Heated oxygen sensor (HO2S) 3, bank. 1 -circuit malfunction | Wiring, H025, ECM |
| P0145 | Heated oxygen sensor (HO2S) 3, bank 1 -slow response | Heating inoperative, wiring, H028 |
| P0146 | Heated oxygen sensor (HO2S) 3, bank 1 -no activity detected | Wiring, H028, ECM |
| P0153 | Heated oxygen sensor (HO2S) 1, bank 2 -slow response | Heating inoperative, wiring, H028 |
| P0154 | Heated oxygen sensor (H025) 1, bank 2 no activity detected | Wiring, H028, ECM |
| P0156 | Heated oxygen sensor (H025) 2, bank 2 circuit malfunction | Heating inoperative, wiring, H028, ECM |
| P0160 | Heated oxygen sensor (H025) 2, bank 2 -no activity detected | Wiring, H028, ECM |
| P0162 | Heated oxygen sensor (HO2S) 3, bank 2 -circuit malfunction | Wiring, HO2S, ECM |
| P0165 | Heated oxygen sensor (HO2S) 3, bank 2 -slow response | Heating inoperative, wiring, HO2S |
| P0166 | Heated oxygen sensor (HO2S) 3, bank 2 -no activity detected | Wiring, HO2S, ECM |
| P0168 | Fuel temperature too high | Wiring, fuel temperature sensor, mechanical fault |
| P0170 | Fuel trim (FT), bank 1 -malfunction | Intake leak, AIR system, fuel pressure/pump, injector(s), EVAP canister purge valve, HO2S |
| P0171 | System too lean, bank 1 | Intake/exhaust leak, AIR system, MAFNAF sensor, fuel pressure/pump, injector(s), HO2S |
| P0173 | Fuel trim (FT), bank 2 -malfunction | Intake leak, AIR system, fuel pressure/pump, injector(s), EVAP canister purge valve, HO2S |
| P018A | Fuel Pressure Sensor "B" Circuit | Fuel pressure sensor, Wiring, PCM failure |
| P018B | Fuel Pressure Sensor "B" Circuit Range/Performance | Fuel pressure sensor, Wiring, PCM failure |
| P018C | Fuel Pressure Sensor "B" Circuit Low | Fuel pressure sensor, Wiring, PCM failure |
| P018D | Fuel Pressure Sensor "B" Circuit High | Fuel pressure sensor, Wiring, PCM failure |
| P018E | Fuel Pressure Sensor "B" Circuit Intermittent/Erratic | Fuel pressure sensor, Wiring, PCM failure |
| P0220 | Throttle position (TP) sensor B/accelerator pedal position (APP) sensor B -circuit malfunction | Wiring, TP/APP sensor, ECM |
| P0221 | Throttle position (TP) sensor B/accelerator pedal position (APP) sensor B -range/performance problem | Accelerator cable adjustment, TP/APP sensor |
| P0222 | Throttle position (TP) sensor B/accelerator pedal position (APP) sensor B -low input | Wiring short to earth, TP/APP sensor, ECM |
| P0223 | Throttle position (TP) sensor B/accelerator pedal position (APP) sensor B -high input | Wiring short to positive, TP/APP sensor, ECM |
| P0224 | Throttle position (TP) switch B/accelerator pedal position (APP) sensor B -circuit intermittent | Wiring, poor connection, TP/APP sensor, ECM - - - |
| P0225 | Throttle position (TP) sensor C/accelerator pedal position (APP) sensor C -circuit malfunction | Wiring, TP/APP sensor, ECM |
| P0226 | Throttle position (TP) sensor C/accelerator pedal position (APP) sensor C -range/performance problem | Accelerator cable adjustment, TP/APP sensor |
| P0227 | Throttle position (TP) sensor C/accelerator pedal position (APP) sensor C -low input | Wiring short to earth, TP/APP sensor, ECM |
| P0228 | Throttle position (TP) sensor C/accelerator pedal position (APP) sensor C -high input | Wiring short to positive, TP/APP sensor, ECM |
| P0229 | Throttle position (TP) sensor C/accelerator pedal position (APP) sensor C -circuit intermittent | Wiring, poor connection, TP/APP sensor, ECM |
| P0234 | Engine boost condition -limit exceeded | Hose connection(s), wiring, TC wastegate regulating valve, TC wastegate |
| P0235 | Manifold absolute pressure (MAP) sensor A, TC system circuit malfunction | Wiring, MAP sensor, ECM |
| P0237 | Manifold absolute pressure (MAP) sensor A, TC system low input | Wiring short to earth, MAP sensor, ECM |
| P0238 | Manifold absolute pressure (MAP) sensor A, TC system high input | Wiring short to positive, MAP sensor, ECM |
| P0243 | Turbocharger (TC) wastegate regulating valve A circuit malfunction | Wiring, TC wastegate regulating valve, ECM |
| P0244 | Turbocharger (TC) wastegate regulating valve A range/performance problem | TC wastegate regulating valve |
| P0251 | Injection pump A, rotor/cam -circuit malfunction | Wiring, injection pump, ECM |
| P0253 | Injection pump A, rotor/cam -circuit low | Wiring short to earth, injection pump, ECM |
| P0255 | Injection pump A, rotor/cam -circuit intermittent | Wiring, poor connection, injection pump, ECM |
| P0256 | Injection pump 8, rotor/cam -circuit malfunction | Wiring, injection pump, ECM |
| P0258 | Injection pump B, rotor/cam -circuit low | Wiring short to earth, injection pump, ECM |
| P02E9 | Diesel Intake Air Flow Position Sensor Circuit High | Wiring, IAF Position Sensor, PCM |
| P0300 | Random/multiple cylinder(s) -misfire detected | Spark plug(s), HT lead(s), injector(s), ignition coil(s), low compression, wiring |
| P0313 | Misfire detected -low fuel level | Fuel system, mechanical fault |
| P0314 | Single cylinder misfire -cylinder not specified | Engine mechanical fault, wiring, ignition/fuel system, injector |
| P0315 | Crankshaft position system -variation not learned | Engine mechanical fault, wiring |
| P0316 | Misfire detected during start -up -first 1000 revolutions | Engine mechanical fault, wiring, ignition/fuel system, injector |
| P0321 | Crankshaft position (CKP) sensor/engine speed (RPM) sensor range/performance problem | Air gap, metal particle contamination, insecure sensor/rotor, wiring, CKP/RPM sensor |
| P0363 | Misfire detected -fueling disabled | Fuel system, mechanical fault |
| P0370 | Timing reference, high resolution signal A -malfunction | Wiring, CKP/RPM/CMP sensor, ECM |
| P0371 | Timing reference, high resolution signal A -too many pulses | Wiring, CKP/RPM/CMP sensor, ECM |
| P0379 | Timing reference, high resolution signal B -no pulses | Wiring, CKP/RPM/CMP sensor, ECM |
| P0380 | Glow plugs, circuit A -malfunction | Wiring, glow plug relay, fuse, glow plugs, ECM |
| P0381 | Glow plug warning lamp -circuit malfunction | Wiring, glow plug warning lamp, ECM |
| P0400 | Exhaust gas recirculation (EGR) system -flow malfunction | Hose leak/blockage, basic setting not carried out (if applicable), wiring, EGR valve, EGR solenoid, ECM |
| P0401 | Exhaust gas recirculation (EGR) system -insufficient flow detected | Hose leak/blockage, basic setting not carried out (if applicable), wiring, EGR valve, EGR solenoid, ECM |
| P0407 | Exhaust gas recirculation (EGR) valve position sensor B low input | Wiring short to earth, EGR valve position sensor, ECM |
| P0409 | Exhaust gas recirculation (EGR) sensor A circuit malfunction | Wiring, poor connection, EGR sensor, ECM |
| P0410 | Secondary air injection (AIR) system -malfunction | Wiring, AIR valve, AIR solenoid, ECM |
| P0418 | Secondary air injection (AIR) pump relay A -circuit malfunction | Wiring, AIR pump relay, ECM |
| P0420 | Catalytic converter system, bank 1 -efficiency below threshold | Catalytic converter, wiring, HO2S 2 |
| P0432 | Main catalytic converter, bank 2 -efficiency below threshold | Catalytic converter, wiring, HO2S 2 |
| P0441 | Evaporative emission (EVAP) system -incorrect flow detected | Hose connection(s), intake leak, EVAP canister purge valve |
| P0443 | Evaporative emission (EVAP) canister purge valve circuit malfunction | Wiring, EVAP canister purge valve, ECM |
| P0444 | Evaporative emission (EVAP) canister purge valve open circuit | Wiring open circuit, EVAP canister purge valve, ECM |
| P0445 | Evaporative emission (EVAP) canister purge valve -short circuit | Wiring short circuit, EVAP canister purge valve, ECM |
| P0449 | Evaporative emission (EVAP) system, vent valve circuit malfunction | Wiring, EVAP canister purge valve, ECM |
| P0458 | Evaporative emission (EVAP) system, EVAP valve -circuit low | Wiring short to earth, EVAP valve |
| P0460 | Fuel tank level sensor -circuit malfunction | Wiring, fuel tank level sensor, ECM |
| P0461 | Fuel tank level sensor range/performance problem | Wiring, fuel tank level sensor |
| P0462 | Fuel tank level sensor -low input | Wiring short to earth, fuel tank level sensor, ECM |
| P0463 | Fuel tank level sensor -high input | Wiring short to positive, fuel tank level sensor, ECM |
| P0464 | Fuel tank level sensor -circuit intermittent | Wiring, poor connection, fuel tank level sensor, ECM |
| P0470 | Exhaust gas pressure sensor -circuit malfunction | Wiring, exhaust gas pressure sensor, ECM |
| P0471 | Exhaust gas pressure sensor -range/performance problem | Exhaust gas pressure sensor |
| P0481 | Engine coolant blower motor 2 -circuit malfunction | Wiring, engine coolant blower motor, ECM |
| P0489 | Exhaust gas recirculation (EGA) system -circuit low | Wiring short to earth, EGA valve |
| P0490 | Exhaust gas recirculation (EGA) system -circuit high | Wiring short to positive, EGA valve |
| P0491 | Secondary air injection (AIR) system, bank 1 malfunction | Wiring, AIR solenoid, hose connections, mechanical fault |
| P0494 | Engine coolant blower motor speed -low | Wiring, relay, blower motor, mechanical fault |
| P0497 | Evaporative emission (EVAP) system -low purge flow | Wiring, EVAP valve, hoses blocked, mechanical fault |
| P0499 | Evaporative emission (EVAP) system, vent control -circuit high | Wiring short to positive, EVAP valve |
| P0502 | Vehicle speed sensor (VSS) -low input | Wiring short to earth, VSS, ECM |
| P0503 | Vehicle speed sensor (VSS) -intermittent/erratic/high input | Wiring, poor connection, other connected system, instrument panel, VSS |
| P0504 | Brake switch -A/B correlation | Wiring, mechanical fault |
| P0505 | Idle speed control (ISC) system -malfunction | Wiring, ISC actuator/IAC valve, throttle motor, throttle valve tight/sticking, ECM |
| P050A | Cold Start Idle Air Control System Performance | Carbon build-up, defective idle air control valve, broken ducting, dirty air filter, air leaks , MAF or IAT or Engine coolant sensor, Ignition system component failure |
| P0513 | Incorrect immobilizer key | Immobilizer system |
| P0520 | Engine oil pressure sensor/switch -circuit malfunction | Wiring, engine oil pressure sensor/switch, ECM |
| P0522 | Engine oil pressure sensor/switch -low voltage | Wiring short to earth, engine oil pressure sensor/switch, ECM |
| P0523 | Engine oil pressure sensor/switch -high voltage | Wiring short to positive, engine oil pressure sensor/ switch, ECM |
| P0530 | AC refrigerant pressure sensor -circuit malfunction | Wiring, AC refrigerant pressure sensor, ECM |
| P0540 | Intake air heater A -circuit malfunction | Wiring, relay, intake air heater |
| P0541 | Intake air heater A -circuit low | Wiring short to earth, intake air heater |
| P0542 | Intake air heater A -circuit high | Wiring short to positive, intake air heater |
| P0543 | Intake air heater A -circuit open | Wiring, intake air heater |
| P0550 | Power steering pressure (PSP) sensor/switch circuit malfunction | Wiring, PSP sensor/switch, ECM |
| P0560 | System voltage malfunction | Wiring, poor connection, battery, alternator |
| P0563 | System voltage -high | Alternator |
| P0571 | Cruise/brake switch A -circuit malfunction | Wiring, cruise/brake switch, ECM |
| P0581 | Cruise control system, multi -function switch input A circuit high | Wiring short to positive, multi -function switch, mechanical fault |
| P0597 | Thermostat heater control system -circuit open | Wiring, relay, thermostat heater |
| P0598 | Thermostat heater control system -circuit low | Wiring short to earth, relay, thermostat heater |
| P0601 | Engine control module (ECM) -memory check sum error | ECM |
| P0613 | Transmission control module (TCM) -processor error | TCM |
| P0614 | Engine control module (ECM)/transmission control module (TCM) -mismatch | ECM!TCM |
| P0615 | Starter motor relay -circuit malfunction | Wiring, poor connection, starter motor relay, ECM |
| P0618 | Alternative fuel control module -KAM error | Alternative fuel control module |
| P0620 | Alternator, control -circuit malfunction | Wiring, alternator, battery, ECM |
| P0622 | Alternator, field control -circuit malfunction | Wiring, alternator, battery, ECM |
| P0625 | Generator field terminal -circuit low | Wiring short to earth, generator |
| P0626 | Generator field terminal -circuit high | Wiring short to positive, generator |
| P0627 | Fuel pump control -circuit open | Wiring, relay, fuel pump |
| P0628 | Fuel pump control -circuit low | Wiring short to earth, relay, fuel pump |
| P0629 | Fuel pump control -circuit high | Wiring short to positive, relay, fuel pump |
| P062D | Fuel Injector Driver Circuit Performance | Wiring, Defective fuel injector / injector circuit or software, PCM |
| P062F | Internal Control Module EEPROM Error | Wiring, incorrect / incompatible software, low or spiking system voltage |
| P0638 | Throttle actuator control, bank 1 -range/performance problem | Basic setting not carried out (if applicable), ISC actuator/throttle motor, APP sensor |
| P0639 | Throttle actuator control, bank 2 -range/performance | Wiring, throttle control unit |
| P0641 | Sensor reference voltage A -circuit open | Wiring short to positive |
| P0650 | Malfunction indicator lamp (MIL) -circuit malfunction | Wiring, MIL, ECM |
| P0651 | Sensor reference voltage B -circuit open | Wiring short to positive |
| P0657 | Actuator supply voltage -circuit open | Wiring |
| P0661 | Intake manifold air control solenoid, bank 1 -circuit low | Wiring short to earth, intake manifold air control solenoid |
| P0670 | Glow plug control module -circuit malfunction | Wiring, poor connection, glow plug control module, glow plug, ECM |
| P0671 | Glow plug, cylinder 1 -circuit malfunction | Wiring, poor connection, relay, glow plug control module, glow plug, ECM |
| P0672 | Glow plug, cylinder 2 -circuit malfunction | Wiring, poor connection, relay, glow plug control module, glow plug, ECM |
| P0673 | Glow plug, cylinder 3 -circuit malfunction | Wiring, poor connection, relay, glow plug control module, glow plug, ECM |
| P0674 | Glow plug, cylinder 4 -circuit malfunction | Wiring, poor connection, relay, glow plug control module, glow plug, ECM |
| P0675 | Glow plug, cylinder 5 -circuit malfunction | Wiring, poor connection, relay, glow plug control module, glow plug, ECM |
| P0683 | Glow plug control module/ECM/PCM communication -malfunction | Wiring, poor connection, glow plug control module, ECM/PCM |
| P0684 | Glow plug control module/ECM/PCM communication range/performance | Wiring, poor connection, glow plug control module, ECM/PCM |
| P0685 | ECM/PCM power relay -circuit open | Wiring, ECM/PCM power relay |
| P069E | Fuel Pump Control Module Requested MIL Illumination | - |
| P0707 | Transmission range (TR) sensor/switch -low input | Wiring short to earth, TR sensor/switch, ECM/PCM!TCM |
| P0708 | Transmission range (TR) sensor/switch -high input | Wiring short to positive, TR sensor/switch, ECM/PCM!TCM |
| P0719 | Torque converter/brake switch B -circuit low | Wiring short to earth, torque converter/brake switch, ECM/PCM!TCM |
| P0721 | Output shaft speed (OSS) sensor -range/performance problem | Wiring, VSS |
| P0722 | Output shaft speed (OSS) sensor -no signal | Wiring, VSS, ECM/PCM!TCM |
| P0724 | Torque converter/brake switch B -circuit high | Wiring short to positive, torque converter/brake switch, ECM/PCM!TCM |
| P0736 | Reverse -incorrect ratio | Wiring, TR sensor/switch, shift solenoids, transmission mechanical fault |
| P0741 | Torque converter clutch (TCC) solenoid -performance/stuck off | Wiring, TCC solenoid stuck off |
| P0742 | Torque converter clutch (TCC) solenoid -stuck on | Wiring, TCC solenoid |
| P0743 | Torque converter clutch (TCC) solenoid -electrical | Wiring, TCC solenoid, ECM/PCM!TCM |
| P0744 | Torque converter clutch (TCC) solenoid -circuit intermittent | Wiring, poor connection, TCC solenoid, ECM/PCM!TCM |
| P0746 | Transmission fluid pressure (TFP) solenoid -performance or stuck off | Wiring, TFP solenoid |
| P0748 | Transmission fluid pressure (TFP) solenoid -electrical | Wiring, TFP solenoid, ECM/PCM!TCM |
| P0751 | Shift solenoid (SS) A -performance or stuck off | Wiring, shift solenoid |
| P0755 | Shift solenoid (SS) B -circuit malfunction | Wiring, shift solenoid, ECM/PCM!TCM |
| P0765 | Shift solenoid (SS) D -circuit malfunction | Wiring, shift solenoid, ECM/PCM!TCM |
| P0770 | Shift solenoid (SS) E -circuit malfunction | Wiring, shift solenoid, ECM/PCM!TCM |
| P0776 | Pressure control solenoid B -performance or stuck off | Wiring, pressure control solenoid |
| P0778 | Pressure control solenoid B -electrical malfunction | Wiring, pressure control solenoid |
| P0781 | Gear selection, 1 -2 -shift malfunction | Wiring, TR sensor, shift solenoids, transmission mechanical fault |
| P0782 | Gear selection, 2 -3 -shift malfunction | Wiring, TR sensor, shift solenoids, transmission mechanical fault |
| P0783 | Gear selection, 3 -4 -shift malfunction | Wiring, TR sensor, shift solenoids, transmission mechanical fault |
| P0784 | Gear selection, 4 -5 -shift malfunction | Wiring, TR sensor, shift solenoids, transmission mechanical fault |
| P0792 | Intermediate shaft speed sensor -range/performance problem | Wiring, poor connection, intermediate shaft speed sensor, ECM/PCM!TCM |
| P0796 | Transmission fluid pressure (TFP) solenoid C performance or stuck off | Wiring, poor connection, TFP solenoid, ECM/PCM!TCM |
| P0805 | Clutch position sensor -circuit malfunction | Wiring, poor connection, clutch position sensor, ECM/PCM!TCM |
| P0810 | Clutch position control error | Wiring, poor connection, ECM/PCM!TCM |
| P0826 | Up/down shift switch -input circuit | Wiring, up/down shift switch |
| P0830 | Clutch pedal position (CPP) switch A -circuit malfunction | Wiring, poor connection, CPP switch, ECM/PCM!TCM |
| P0837 | Four wheel drive switch range/performance problem | Wiring, poor connection, four wheel drive switch, ECM/PCM/TCM |
| P0856 | Traction control input signal -malfunction | Wiring, poor connection, ECM/PCM/TCM |
| P0863 | Transmission control module (TCM) communication | Wiring, poor connection, TCM -circuit malfunction |
| P0868 | Transmission fluid pressure (TFP) sensor -low | Wiring, short to earth, TFP sensor, ECM/PCM/TCM |
| P0869 | Transmission fluid pressure (TFP) sensor -high | Wiring, short to positive, TFP sensor, ECM/PCM/TCM |
| P0870 | Transmission fluid pressure (TFP) sensor C -circuit malfunction | Wiring, poor connection, TFP sensor, ECM/PCM/TCM |
| P0887 | Transmission control module (TCM) power relay control circuit high | Wiring, short to positive, TCM power relay, TCM |
| P0890 | Transmission control module (TCM) power relay sense circuit low | Wiring, short to earth, TCM power relay, TCM |
| P0891 | Transmission control module (TCM) power relay sense circuit high | Wiring, short to positive, TCM power relay, TCM |
| P0894 | Transmission component slipping | Mechanical fault |
| P0900 | Clutch actuator -circuit open | Wiring, clutch actuator, ECM/PCM/TCM |
| P0901 | Clutch actuator -circuit range/performance | Wiring, poor connection, clutch actuator, ECM/PCM/TCM |
| P0902 | Clutch actuator -circuit low | Wiring, short to earth, clutch actuator, ECM/PCM/TCM |
| P0903 | Clutch actuator -circuit high | Wiring, short to positive, clutch actuator, ECM/PCM/TCM |
| P0908 | Transmission gate select position circuit -intermittent circuit malfunction | Wiring, poor connection, ECM/PCM/TCM |
| P0909 | Transmission gate select control error | Mechanical fault |
| P0996 | Transmission fluid pressure (TFP) sensor F circuit intermittent | Wiring, poor connection, TFP sensor, ECM/PCM/TCM |
| P0A5B | Generator Current Sensor Circuit Low | Defective current sensor, Alternator, Wiring |
| P0A80 | Replace Hybrid Battery Pack | Corrosion of connecting bus bars, Ammeters, Cooling fans, Battery cells |
| P0A94 | DC/DC Converter Performance | Wiring harness or connector, Inverter / converter assembly, Hybrid vehicle transaxle assembly |
| P1 Codes | ||
|---|---|---|
| Trouble Code | Fault Location | |
| P1000 | OBDII Monitor Testing Not Complete (Ford, Jaguar, Lincoln) Secondary AIR Delivery (BMW, MB, MINI) | |
| P1001 | Key On/Engine Running Not Able to Complete (Ford, Lincoln, Mercury) Ignition Key Off Timer Performance Too Fast (Chrysler, Dodge, Jeep) Evaporative Emission Canister Purge Valve Low Output (SAAB) Data Link Connector Malfunction (Mazda) | |
| P1101 | HO2S11 Sensor Circuit Voltage Too Low Air Leak (AUDI, VOLKSWAGEN) Airbag Control Module Signal Received (CHRYSLER, DODGE, JEEP) Mass Air Flow Sensor Out of Self-Test Range (FORD, LINCOLN, MAZDA, MERCURY) Manifold Absolute Pressure Sensor Abnormal (HYUNDAI) Intake Air Flow System Performance (ISUZU) Vacuum Control Solenoid Valve System Traction Control System (MITSUBISHI) Neutral Position Switch Circuit High Input (SUBARU) | |
| P1118 | Manifold Absolute Temperature Circuit Low Input (Ford) Mass or Volume Air Flow Circuit High Input (Bank 2) (BMW) Electronic Throttle System Motor Malfunction (Daewoo/Hyundai ) Diesel pressure control (Fiat) Engine Coolant Temp. Signal Out-Of-Range – High (GM) O2 Sensor Heater Circ.,Bank1 - Sensor2 Open (Volkswagen/Audi/Volvo) | |
| P1121 | Electric Throttle Control Actuator (Infiniti, Nissan) Throttle Position (TP) Sensor Circuit Intermittent High Voltage (Buick, Cadillac, Chevrolet, GM, Pontiac, Saturn, Suzuki) Throttle Position Sensor Inconsistent with Mass Air Flow Sensor (Ford, Lincoln, Mazda, Mercury) | |
| P1130 | Air/Fuel Ratio Sensor Circuit Range/Performance Malfunction Bank 1 Sensor 1 (Toyota, Lexus) Swirl Control Valve Control Solenoid Valve (Infiniti, Nissan) Lack Of HO2S Switch - Adaptive Fuel At Limit (Ford) | |
| P1133 | HO2S Insufficient Switching Sensor 1 (Acura, Buick, Cadillac, Chevrolet, GM, Honda, Isuzu, Pontiac, Saturn) AT Fuel Solenoid Malfunction (Daewoo) Oxygen sensor B1-S1 (Fiat) Air/Fuel Ratio Sensor Circuit Response Malfunction (Bank 1 Sensor 1) (Lexus) Bank 1 Fuel Control Shifted Lean (FAOSC) (Mercedes) Bank 1 Fuel Control Shifted Lean (Mercury / Oldsmobile/ Lincoln / Jaguar) O2S Circuit Low Voltage Sensor 1 (Saab) Air/Fuel Sensor Circuit Response (Bank 1 Sensor 1) (Scion) Air/Fuel Sensor Circuit Response Malfunction (Toyota) O2 Sensor Heating Circuit Bank 1 + 2 - Sensor1 Electrical Malfunction (Volkswagen /Audi / Volvo) | |
| P1148 | HO2S21 System Too Rich (AUDI, VOLKSWAGEN) Fuel Rail Pressure Malfunction Pressure Drop In Over-run (CHRYSLER, DODGE, JEEP) Closed Loop Control Function Bank 1 (INFINITI, NISSAN) | |
| P1150 | Air/Fuel Ratio Sensor Circuit Range/Performance Malfunction Bank 2 Sensor 1 (Toyota, Lexus) Swirl Control Valve Control Solenoid Valve (Infiniti, Nissan) Lack Of HO2S21 Switch - Adaptive Fuel At Limit (Ford) | |
| P1259 | Immobilizer to PCM Signal Error (Ford) VTEC System Malfunction (Acura, Honda) Glow Plug Module Control Over Current (Chrysler/Dodge/Jeep) Engine Coolant System Valve Short to Ground (Volkswagen/Audi/Volvo) | |
| P1260 | Injector 1 Implausible Signal (AUDI, VOLKSWAGEN) Fuel Pump Speed Relay Control Circuit Conditions (BUICK, CADILLAC, CHEVROLET, GMC) Theft Detected - Vehicle Immobilized (FORD, LINCOLN, MERCURY) Glow Plug #1 Circuit (JEEP) Theft Detected - Engine Disabled (MAZDA) Throttle Return Spring Weak Spring Force (SAAB) | |
| P1296 | Engine Cooling System Malfunction (AUDI, VOLKSWAGEN) 5 Volt Reference Voltage Missing At Throttle Position Sensor (CHRYSLER, DODGE) Multi-Faults Bank 2 With Low Side Shorts (FORD) No 5 Volts to MAP Sensor (MITSUBISHI) | |
| P1299 | Cylinder Head Overtemperature Protection Active (Ford, Lincoln, Mazda, Mercury) Electric Throttle Control Forced Engine Shut Down Mode (Acura, Honda, Isuzu) Vacuum Leak Present IAC Fully Seated (Chrysler, Dodge) | |
| P1300 | Igniter Circuit Malfunction No. 1 (Toyota, Lexus) Ignition Coil 1 Primary Feedback CIrcuit (Buick, Cadillac, Chevrolet, GM) Boost Calibration Fault (Ford) Random Misfire (Acura, Honda, Isuzu) Camshaft Sensor Inlet Gap Loss (BMW, MINI) Spark Timing Adjust Signal (Hyundai) | |
| P1305 | Igniter Circuit Malfunction No.2 (Toyota, Lexus) EGR Calibration Low (Ford) | |
| P1310 | Igniter Circuit Malfunction No. 3 | |
| P1315 | Igniter Circuit Malfunction No. 4 (Toyota, Lexus) Persistent Misfire (Ford) | |
| P1336 | Crankshaft Speed Fluctuation Sensor Intermittant Interruption (ACURA, HONDA) Engine Torque Adaption At Limit (AUDI, VOLKSWAGEN) Crankshaft Position System Variation Not Learned (BUICK, CADILLAC, CHEVROLET, GMC, JAGUAR) No 5Vs To Throttle Position Sensor (DODGE) Crankshaft Position Or Camshaft Position Sensor Input Signal Error (FORD, LINCOLN, MERCURY) #6 MF Signal Line Short (HYUNDAI) Crankshaft Position Sensor (INFINITI, NISSAN) Crankshaft Position Sensor System Variation Not Learned (ISUZU) Camshaft Position Sensor Malfunction Erratic Signal (MAZDA) 58x Crank Position Tooth Error Not Learned (SUZUKI) | |
| P1340 | CKP/CMP Sensor Signals Out Of Sequence (AUDI, VOLKSWAGEN) Multiple Cylinder Misfire During Start (BMW, MINI) Camshaft Position Sensor 'B' Circuit Malfunction (FORD) IFS 2 Open (HYUNDAI) ION Sensing Module Cylinder ID Fault Cylinder Syncronization Fail (ISUZU) Camshaft Position Sensor 'A' Bank 1 Sensor 2 (LEXUS, TOYOTA) Camshaft Position Sensor 'B' Circuit (MAZDA) | |
| P1351 | Ignition Control Module Circuit Voltage (Buick, Cadillac, Chevrolet, GMC, Isuzu) Misfire Cylinder 5 With Fuel Cut-Off (BMW) Ignition Diagnostic Monitor Circuit Input Fault (Ford) Variable Valve Timing Sensor Range/Performance Problem Bank 2 (Lexus, Toyota) | |
| P1389 | Glow Plug Circuit High Side Low Input (Ford, GM) No ASD Relay Voltage At Powertrain Control Module (Chrysler, Dodge, Jeep) | |
| P1391 | Glow Plug Circuit Low Input Bank 1 (Ford, Lincoln, Mercury, Mazda, Nissan) G-Sensor Performance (Acura) Intermittent loss of CMP or CKP (Chrysler/Dodge/Jeep/Mitsubishi) Wheel Speed Sensor 1 - G - Sensor Circuit Performance (GM) Camshaft Pos. Sensor, (Bank2) Short to Ground (Volkswagen/Audi/Volvo) | |
| P1392 | Glow Plug Circuit High Input Bank 1 (Ford, Lincoln, Mercury, Mazda, Nissan) G-Sensor Voltage Low (Acura, Buick, Cadillac, Chevrolet, GM, Honda, Isuzu, Suzuki) Camshaft Position Sensor Bank 2 Open (Audi, VW) | |
| P1393 | Glow Plug Circuit Low Input Bank 2 (Ford, Lincoln, Mercury, Mazda, Nissan) G-Sensor Voltage High (Acura, Buick, Cadillac, Chevrolet, GM, Honda, Isuzu, Suzuki) Ignition Coil Power Output Stage 1 Malfunction (Audi, VW) | |
| P1394 | Glow Plug Circuit High Input Bank 2 (Ford, Lincoln, Mercury, Mazda, Nissan) G-Sensor Voltage Intermittent High (Acura, Honda, Isuzu) Wheel Speed Sensor G-Sensor Intermittent (Buick, Cadillac, Chevrolet, GM) Ignition Coil Power Output Stage 2 Malfunction (Audi, VW) | |
| P1399 | Glow Plug Circuit High Side, High Input (Ford) Random/Multiple Cylinder Misfire Detected (Acura, Honda) Wheel Speed Sensor 2 – G – Sensor Circuit Intermittent (GM) Wait-To-Start Lamp Circuit Open Or Shorted (Plymouth) Engine RPM signal, TD Short Circuit to B + (Volkswagen /Audi / Volvo) | |
| P1401 | DPFE Circuit High Input (Ford, Lincoln, Mazda, Mercury) EGR Temperature Sensor (Infiniti, Nissan) | |
| P1404 | Exhaust Gas Recirculation Closed Position Performance (Buick, Cadillac, Chevrolet, GM, Pontiac, Saturn) IAT - B Circuit Malfunction (Citroen/Peugeot, Ford, Mercury, Lincoln, Oldsmobile) EGR Stuck Closed (Acura, Isuzu) EGR Position Sensor Rationality Closed (Chrysler/Dodge/Jeep) Exhaust gas recirculation (EGR) valve - range / performance problem (Opel) EGR Flow Basic Setting not carried out (Volkswagen/Audi/Volvo) | |
| P1406 | Exhaust Gas Recirculation Valve Position Sensor Circuit Problem (ACURA, HONDA) EGR Temperature Sensor Signal Range Performance (AUDI, VOLKSWAGEN) Heated Catalyst Internal Control Module Checksum/ROM Error (BMW) EGR Valve Pintle Position Circuit (BUICK, CADILLAC, CHEVROLET, GMC, ISUZU, PONTIAC, SATURN) Intermittent Loss Of Camshaft Position Or Crankshaft Position Sensor (DODGE) DPFE Sensor Circuit Downstream Hose (FORD, LINCOLN, MERCURY) DPFE Downstream Hose Off Or Plugged (MAZDA) Turbo Pressure Sensor Range/Performance Problem (TOYOTA) | |
| P1441 | Evaporative Emission (EVAP) System Flow During Non-Purge (Buick, Cadillac, Chevrolet, Dodge, GM, Isuzu, Pontiac, Saturn) | |
| P1443 | Evaporative Emission Control System Control Valve (Ford, Infiniti, Jaguar, Lincoln, Mercedes, Mercury, Saab) EGR Valve Position Sensor Too Low (Audi) EVAP System Tank Cap Missing (Hyundai) | |
| P1450 | Unable To Bleed Up Fuel Tank Vacuum (Ford) Inability of Evaporative Emission Control System to Bleed Fuel Tank (Jaguar, Lincoln, Mercedes, Mercury, Oldsmobile) | |
| P1452 | Unable To Bleed Up Vacuum in Tank (Ford, Mazda) Secondary Air Injection System Circuit Open (Audi, Volkswagen) Fuel Tank Pressure Sensor Low (Toyota, Lexus) | |
| P1456 | Fuel Tank Temperature Sensor Circuit Malfunction (Ford) EVAP Emission Control System Leak Detected (Acura) Evaporative Emissions (EVAP) Control System Leakage (Honda) Heated Catalyst Heater Power Supply Open Circuit Bank 1 (BMW) EVAP Control System (Nissan) A/C Compressor Control (Porsche) Tank purging, leak in system (Saab) Exhaust gas temperature control limit attained Bank 1 (Volkswagen/Audi/Volvo) Catalyst Heater Diagnostic (GM) | |
| P1457 | Unable To Pull Vacuum In Tank (Ford) Heated Catalyst Power Switch Temperature Sensor Electrical Bank 1 (BMW) Evaporative Emissions (EVAP) Control System Leakage (EVAP Canister System) EVAP (Honda) Purge Solenoid Control System (Mercedes) A/C Compressor Control (Porsche) Exhaust gas temperature sensor 2 open / short to B + (Volkswagen/Audi/Volvo) Catalyst Heater Diagnostic (GM) | |
| P1494 | EVAP Leak Detection Pump Pressure Switch Condition (Chrysler, Dodge, Jeep) | |
| P1568 | Idle Speed Control Throttle Position Mechanical Malfunction (AUDI, VOLKSWAGEN) Cruise Servo Stroke Greater Than Commanded In Cruise (BUICK, CADILLAC, CHEVROLET, GMC) Speed Control Unable To Hold Speed (FORD, LINCOLN, MAZDA, MERCURY) Battery Module Individual Voltage Input Problem (HONDA) Fuel Pressure Valve Current Hi (HYUNDAI) ICC Function Cruise Control Cault (INFINITI) | |
| P1602 | Engine Control Module Supply Voltage Low From Battery (AUDI, ISUZU, SAAB, VOLKSWAGEN) Knock Sensor Module Performance Conditions (BUICK, CADILLAC, CHEVROLET, GMC) Speed Control Solenoid Circuit (DODGE) Serial Communication Problem with TCM (HYUNDAI, KIA) Engine Control Module Immobilizer Error (MAZDA) | |
| P1610 | SBDS Interactive Codes | |
| P1627 | EC-PCM Analog to Digital Converter Conditions (Buick, Cadillac, Chevrolet, GMC) Module Supply Voltage Out Of Range (Ford) Engine Control Module Analogue / Digital Converter (Isuzu) A/C Pressure Condenser Fan (Hyundai) ECM to ABS/TCS Communications Signal Error (Mazda) | |
| P1641 | Fuel Pump Primary Circuit Failure (Ford) Cabin Heater 1 (Chrysler/Dodge/Jeep) VI MOTOR COIL 2 OPEN/SHORT (Daewoo) Malfunction Indicator Lamp (MIL) Control Circuit (GM) ACTTRQ Motor Torque Signal Circuit High Input (Honda) Fuel Pump Relay- No Voltage to fuel Pump and O2S Preheating (Saab) Quad Drive A Quick Set Detected A Fault (Saturn) DTC Memory of Air Condition ECU (Volkswagen/Audi/Volvo) | |
| P1684 | Battery has been disconnected within the last 50 starts (Chrysler, Dodge, Jeep, and Plymouth) Metering Oil Pump Position Sensor Circuit Malfunction (Mazda) | |
| P1693 | Malfunction Indicator Lamp Short To Positive (AUDI, VOLKSWAGEN) Tachometer Circuit Conditions (BUICK, CADILLAC, CHEVROLET, GMC) Turbo Charge Control Circuit Malfunction (DODGE) Transmission Control Module MIL Request Circuit Malfunction (HYUNDAI) MIL Circuit Malfunction (KIA) OCV for VVTL Close Malfunction (LEXUS, TOYOTA) | |
| P1701 | Reverse Engagement Error (Ford) Electronic Throttle Control System MIL Request (Chrysler/Dodge/Jeep) Throttle Position Sensor Circuit (Daewoo) Trans. MIL Request Circuit (GM) Throttle Position Sensor (Hyundai) Transfer Box Line Fault (Land Rover) Cruise Control Set Signal Circuit Malfunction A/T (Subaru) Transmission Control Module Power Supply (Infiniti / Infiniti) | |
| P1800 | Transmission Clutch Interlock Safety Switch Circuit Failure (Ford) ECM to TCM - Engine Coolant Signal (General Motors) Intake manifold air control solenoid - circuit malfunction (Infiniti) VIAS (Variable Intake Air System) Control Solenoid Valve (Nissan) Automatic Transmission Operation Circuit Malfunction (Toyota) Engine torque signal – malfunction (Kia) | |
| P1870 | Transmission Component Slipping (Acura, Buick, Cadillac, Chevrolet, General Motors, Isuzu) SOL/EDS PWR SPL GND SHT/OPEN (Daewoo) Problem in CVT Speed Change Control Valve Assembly Circuit (Honda) | |
| P1901 | Engine Coolant Blower Motor Run-On Relay Short To Positive (AUDI, VOLKSWAGEN) Turbine Shaft Speed Sensor Circuit Intermittent (FORD, LINCOLN, MERCURY) Turbine Shaft Speed Sensor Intermittent (MAZDA) CAN Data Bus Multifunction Control Module 1 (SAAB) | |
| P1955 | Glow Plug Control Module 2 to PCM Comm. Circuit Range/Performance (Mercedes, Sprinter) | |
| P1999 | Load limit is active (Mercedes-Benz) Cylinder deactivation malfunction (Volvo S-series) Engine management issues (Volvo XC-series) Friction too High, Exhaust Cam Adjustment Bank 2 (VW VAG-COM) | |
| P2 Codes | ||
|---|---|---|
| Trouble Code | Fault Location | Probable Cause |
| P2006 | Intake manifold air control actuator / solenoid, bank 1 - actuator / solenoid stuck closed | Wiring, intake manifold air control actuator / solenoid, mechanical fault |
| P2007 | Intake manifold air control actuator / solenoid, bank 2 - actuator / solenoid stuck closed | Wiring, intake manifold air control actuator / solenoid, mechanical fault |
| P2008 | Intake manifold air control actuator / solenoid, bank 1 -open circuit | Wiring open circuit, intake manifold air control actuator / solenoid |
| P2009 | Intake manifold air control actuator / solenoid, bank 1 -circuit low | Wiring short to ground, intake manifold air control actuator / solenoid |
| P200A | Intake manifold air control actuator / solenoid, bank 1 - performance problem | Wiring, intake manifold air control actuator / solenoid, ECM |
| P200B | Intake manifold air control actuator / solenoid, bank 2 - performance problem | Wiring, intake manifold air control actuator / solenoid, ECM |
| P200C | Diesel particulate filter (DPF), bank 1 - over-temperature condition | - |
| P200D | Diesel particulate filter (DPF), bank 2 - over-temperature condition | - |
| P200E | Catalytic converter, bank 1 - over-temperature condition | - |
| P200F | Catalytic converter, bank 2 - over-temperature condition | - |
| P2010 | Intake manifold air control actuator / solenoid, bank 1 -circuit high | Wiring short to positive, intake manifold air control actuator / solenoid |
| P2011 | Intake manifold air control actuator / solenoid, bank 2 - open circuit | Wiring open circuit, intake manifold air control actuator / solenoid |
| P2012 | Intake manifold air control actuator / solenoid, bank 2- circuit low | Wiring short to ground, intake manifold air control actuator / solenoid |
| P2013 | Intake manifold air control actuator / solenoid, bank 2- circuit high | Wiring short to positive, intake manifold air control actuator / solenoid |
| P2014 | Intake manifold air control actuator position sensor/switch, bank 1 - circuit malfunction | Wiring, intake manifold air control actuator position sensor/switch |
| P2016 | Intake manifold air control actuator position sensor/switch, bank 1 - circuit low | Wiring short to ground, intake manifold air control actuator position sensor/switch |
| P2017 | Intake manifold air control actuator position sensor/switch, bank 1 - circuit high | Wiring short to positive, intake manifold air control actuator position sensor/switch |
| P2018 | Intake manifold air control actuator position sensor/switch, bank 1 - circuit intermittent | Wiring, poor connection, intake manifold air control actuator position sensor/switch |
| P2019 | Intake manifold air control actuator position sensor/switch, bank 2 - circuit malfunction | Wiring, intake manifold air control actuator position sensor/switch |
| P201A | Reductant injector - circuit range/performance Bank 2 Unit 1 | Wiring, reductant injector, ECM |
| P2021 | Intake manifold air control actuator position sensor/switch, bank 2 - circuit low | Wiring short to ground, intake manifold air control actuator position sensor/switch |
| P2022 | Intake manifold air control actuator position sensor/switch, bank 2 - circuit high | Wiring short to positive, intake manifold air control actuator position sensor/switch |
| P2023 | Intake manifold air control actuator position sensor/switch, bank 2 - circuit intermittent | Wiring, poor connection, intake manifold air control actuator position sensor/switch |
| P2024 | Evaporative emission (EVAP) fuel vapour temperature sensor - circuit malfunction | Wiring, EVAP fuel vapour temperature sensor |
| P2025 | Evaporative emission (EVAP) fuel vapour temperature sensor - range/performance problem | Wiring, EVAP fuel vapour temperature sensor |
| P2026 | Evaporative emission (EVAP) fuel vapour temperature sensor - low voltage | Wiring short to ground, EVAP fuel vapour temperature sensor |
| P2027 | Evaporative emission (EVAP) fuel vapour temperature sensor - high voltage | Wiring short to positive, EVAP fuel vapour temperature sensor |
| P2028 | Evaporative emission (EVAP).fuel vapour temperature sensor - circuit intermittent | Wiring, poor connection, EVAP fuel vapour temperature sensor |
| P2029 | Auxiliary heater (fuel fired) - system disabled | Auxiliary heater system |
| P202A | Reductant tank heater control - open circuit | Wiring, reductant tank heater, ECM |
| P202E | Reductant injector - circuit range/performance bank 1 unit 1 | Wiring, reductant injector, ECM |
| P2030 | Auxiliary he·ater (fuel fired) - performance problem | Auxiliary heater system |
| P2031 | Exhaust gas temperature (EGT) sensor 2, bank 1 - circuit malfunction | Wiring, EGT sensor |
| P2032 | Exhaust gas temperature (EGT) sensor 2, bank 1 - circuit low | Wiring short to ground, EGT sensor |
| P2033 | Exhaust gas temperature (EGT) sensor 2, bank 1 - circuit high | Wiring short to positive, EGT sensor |
| P2034 | Exhaust gas temperature (EGT) sensor 2, bank 2 - circuit malfunction | Wiring, EGT sensor |
| P2035 | Exhaust gas temperature (EGT) sensor 2, bank 2 - circuit low | Wiring short to ground, EGT sensor |
| P2036 | Exhaust gas temperature (EGT) sensor 2, bank 2 - circuit high | Wiring short to positive, EGT sensor |
| P2037 | Reductant injection air pressure sensor- circuit malfunction | Wiring, reductant injection air pressure sensor |
| P2038 | Reductant injection air pressure sensor- range/performance problem | Wiring, reductant injection air pressure sensor |
| P2088 | Camshaft position (CMP) actuator A, bank 1 - circuit low | Wiring short to ground, CMP actuator |
| P2097 | Post catalytic converter fuel trim (FT), bank 1 - too rich | Catalytic converter |
| P2099 | Post catalytic converter fuel trim (FT), bank 2 -too rich | Catalytic converter |
| P20EE | SCR NOx Catalyst Efficiency Below Threshold Bank 1 | - |
| P2100 | Throttle actuator control (TAC) motor - open circuit | Wiring, TAC motor |
| P2105 | Throttle actuator control (TAC) system - forced engine shut down mode | Wiring, TAC motor, APP sensor, ECM |
| P2106 | Throttle actuator control (TAC) system - forced limited power mode | Wiring, TAC motor, APP sensor, ECM |
| P2108 | Throttle actuator control (TAC) module - performance problem | TAC control module |
| P2109 | Accelerator pedal position (APP) / Throttle position (TP) sensor A - minimum stop performance | APP sensor / TP sensor, throttle valve tight/sticking |
| P2118 | Throttle actuator control (TAC), throttle motor current - range/performance problem | Wiring, throttle motor |
| P2119 | Throttle actuator control (TAC), throttle valve - range/performance problem | Throttle valve tight/sticking, throttle motor |
| P2120 | Accelerator pedal position (APP) / Throttle position (TP) sensor/ switch D - circuit malfunction / Heated oxygen sensor (H02S) 1, bank 1 - implausible signal | Wiring, APP / TP sensor/switch / Wiring, short to positive, short to ground, H02S, ECM |
| P2121 | Accelerator pedal position (APP) / Throttle position (TP) sensor/switch D - range/performance problem | Wiring, APP / TP sensor/switch |
| P2122 | Accelerator pedal position (APP) / Throttle position (TP) sensor/switch D - low input | Wiring short to ground, APP / TP sensor/switch |
| P2123 | Accelerator pedal position (APP) / Throttle position (TP) sensor/switch D - high input | Wiring short to positive, APP / TP sensor/switch |
| P2127 | Accelerator pedal position (APP) / Throttle position (TP) sensor/switch E - low input | Wiring short to ground, APP / TP sensor/switch |
| P2177 | System too lean off idle, bank 1 | Fuel pressure, injectors, intake leak |
| P2178 | System too rich off idle, bank 1 | Fuel pressure, injectors, air intake restricted |
| P2185 | Engine coolant temperature (ECT) sensor 2 - circuit high | Wiring short to positive, ECT sensor |
| P2186 | Engine coolant temperature (ECT) sensor 2 - circuit intermittent/erratic | Wiring, poor connection, ECT sensor |
| P2187 | System too lean at idle, bank 1 | Fuel pressure, injectors, intake leak |
| P2188 | System too rich at idle, bank 1 | Fuel pressure, injectors, air intake restricted |
| P2189 | System too lean at idle, bank 2 | Fuel pressure, injectors, intake leak |
| P2196 | Heated oxygen sensor (H02S) 1, bank 1 - signal stuck rich | H02S, fuel pressure, injectors, air intake restricted |
| P2198 | Heated oxygen sensor (H02S) 1, bank 2 - signal stuck rich | H02S, fuel pressure, injectors, air intake restricted |
| P2199 | Intake air temperature (IAT) sensor 1/2- correlation | Wiring, IAT sensor |
| P219A | Bank 1 Air/Fuel Ratio Imbalance | - |
| P2213 | Nitrogen oxides (NOx) sensor, bank 2 - circuit malfunction | Wiring, NOx sensor |
| P2227 | Barometric pressure (BARO) sensor- range/performance problem | Wiring, BARO sensor, ECM |
| P2240 | Heated oxygen sensor (H028) 1, bank 2, positive current control - open circuit / - no signal | Wiring, H025 / Wiring, H025, ECM |
| P2255 | Heated oxygen sensor (H02S) 1, bank 2, negative current control - circuit low | Wiring short to ground, H025 |
| P2263 | Turbocharger (TC) boost pressure/supercharger (8C) boost pressure - performance problem | Mechanical fault |
| P2279 | Intake air leak | Mechanical fault |
| P2421 | Evaporative emission (EVAP) vent valve - valve stuck open | EVAP vent valve |
| P2422 | Evaporative emission (EVAP) vent valve - valve stuck closed | EVAP vent valve |
| P2441 | Secondary air injection (AIR) switching valve, bank 1 - valve stuck closed | AIR switching valve |
| P2453 | Diesel Particulate Filter Pressure Sensor "A" Circuit Range/Performance | Wiring, DPF, Pressure sensor, Pressure feed lines, PCM |
| P2454 | Diesel Particulate Filter Pressure Sensor "A" Circuit Low | Wiring, Defective differential pressure sensor, PCM |
| P2458 | Diesel Particulate Filter Regeneration Duration | - |
| P2459 | Diesel Particulate Filter Regeneration Frequency | DEF fluid, DPF system failure, Wiring, Sensors |
| P2463 | Diesel Particulate Filter Restriction - Soot Accumulation | Wiring, DPF pressure sensor, Pressure hoses, Wiring, Clogged DPF, SCR system malfunction, High or low exhaust temperature, Defective EGR valve / circuit, Low fuel, PCM failure |
| P2509 | Engine control module (ECM) - supply voltage, intermittent | Wiring, fuses, engine control (EC) relay |
| P2539 | Fuel low pressure sensor - circuit malfunction | Wiring, fuel low pressure sensor |
| P253F | Engine oil deteriorated | Engine oil |
| P2544 | Torque management request, input signal A - malfunction · | Wiring, ECM, TCM |
| P2563 | Turbocharger (TC) boost control position sensor- range/performance problem | Wiring, TC boost control position sensor |
| P2610 | Engine control module (ECM) - internal engine off timer performance | ECM |
| P261A | Coolant Pump "B" Control Circuit/Open | - |
| P2626 | Heated oxygen sensor (H02S) 1, bank 1, pumping current trim - open circuit / - no signal | Wiring, H025, ECM |
| P2656 | Rocker arm actuator A, bank 2 - performance problem or actuator stuck off | Rocker arm actuator |
| P2A00 | Heated oxygen sensor (H02S) 1, bank 1 - range/performance problem | Intake/exhaust leak, fuel pressure, wiring, H025 |
| P2BAC | NOx Exceedence - Deactivation of EGR | - |
| U Codes | ||
|---|---|---|
| Trouble Code | Fault Location | |
| U0121 | Data bus: anti-lock brake system (ABS) control module - no communication | |
| U0123 | Data bus: yaw rate sensor module - no communication | |
| U0124 | Data bus: lateral acceleration sensor module - no communication | |
| U0140 | Data bus: body control module (8CM)- no communication | |
| U0155 | Data bus: instrumentation control module - no communication | |
| U0401 | Invalid data received - engine control module (ECM) | |
| U0402 | Invalid data received - transmission control module (TCM) | |
| U0415 | Invalid data received - anti-lock brake system (ABS) control module | |
| U1262 | SCP (J1850) Communication Bus Fault | |
| U1417 | Implausible Left Wheel Distance Signal (Dodge, Chrysler, Jeep) | |
| U1900 | CAN Communication Bus Fault | |
| B Codes | ||
|---|---|---|
| Trouble Code | Fault Location | |
| B1039 | ||
| B1302 | Accessory Delay Relay Coil Circuit Failure | |
| B1318 | Battery Voltage Low | |
| B1342 | ECU Is Defective | |
| B1352 | Ignition Key-In Circuit Failure | |
| B1457 | Wiper Washer Fluid Lamp Circuit Short To Ground | |
| B2107 | Front Wiper Motor Relay Circuit Short to Vbatt | |
| B2325 | Mirror Driver Vertical Feedback Potentiometer Circuit Open | |
| B2326 | Mirror Driver Vertical Feedback Potentiometer Circuit Short to Battery | |
| B2327 | Mirror Driver Vertical Feedback Potentiometer Circuit Short to Ground | |
| B2799 | Toyota: Engine Immobiliser System Malfunction GM: Suspension control select switch circuit open | |
| B2AAA | Scanner Communication Incompatibility | |
| B2TAE | Nonsense Code | |
| C Codes | ||
|---|---|---|
| Trouble Code | Fault Location | |
| C0031 | Left Front Wheel Speed Sensor (Subfault) | |
| C1402 | Malfunction in Front Speed Sensor LH Circuit (Most Manufacturers) Traction Control Valve RF Circuit Short To Ground | |
| C1446 | Brake Switch Circuit Failure | |
| C1555 | Scanner Communication Incompatibility | |