Fault code lookup

Proton fault codes

8,866 codes · 50 vehicle records · 175 ECU records · 0 live-data parameters

Search only Proton codes

Codes 8,866

CodeDescriptionBrandsSystem
P0E01Generator Phase U Current Sensor Circuit Range/Performance12Powertrain
P0E02Generator Phase U Current Sensor Circuit Low10Powertrain
P0E03Generator Phase U Current Sensor Circuit High9Powertrain
P0E05Generator Phase V Current Sensor Circuit Range/Performance9Powertrain
P0E09Generator Phase W Current Sensor Circuit Range/Performance10Powertrain
P0E0AGenerator Phase W Current Sensor Circuit Low9Powertrain
P0E0BGenerator Phase W Current Sensor Circuit High9Powertrain
P0E2DInternal Control Module Hybrid/EV Battery Monitor Performance10Powertrain
P0E37DC/DC Converter Voltage Sensor B Range/Performance16Powertrain
P1000OBD-II Monitor Testing Incomplete33Powertrain
P1001Short circuit to positive32Powertrain
P1002Short circuit to negative26Powertrain
P1003Open circuit22Powertrain
P1004Torque Difference Cylinder 1: Limit Value Exceeded25Powertrain
P1005Manifold tuning valve control performance27Powertrain
P1006Torque Difference Cylinder 3: Limit Value Exceeded23Powertrain
P1007Gradient monitoring23Powertrain
P1008Power Steering Circ Low19Powertrain
P1009Mass air flow sensor 1/2: implausible signal from load Calculation; Mechanical failure25Powertrain
P100AVVEL system (bank 1)17Powertrain
P100BVVEL system (bank 2)19Powertrain
P100CBattery sensor module temperature erratic16Powertrain
P100DActuator for turbocharger adjustment: stuck or Hard to Move; Open or short to plus19Powertrain
P100ETorque intervention to protect turbocharger16Powertrain
P100FFuel injector: mechanical malfunction; Electrical fault in circuit15Powertrain
P1010Swirl flap27Powertrain
P1011Intake camshaft actuator park position (bank 1)23Powertrain
P1012Exhaust camshaft actuator park position (bank 1)25Powertrain
P1013Intake camshaft actuator park position (bank 2)22Powertrain
P1014Exhaust camshaft actuator park position (bank 2)23Powertrain
P1015Gradient monitoring21Powertrain
P1016Reductant control module sensor serial communication circuit high voltage19Powertrain
P1017Signal implausible19Powertrain
P1018Intake Manifold Runner (Bank 2): Lower Limit not reached18Powertrain
P1019Sensor supply voltage too high19Powertrain
P101AReductant control module sensor communication ground circuit high voltage16Powertrain
P101BNO. 028 battery voltage sampling wire loop fault15Powertrain
P101CNO. 029 battery voltage sampling wire loop fault14Powertrain
P101DControl unit overtemperature15Powertrain
P101ERpm limited due to over-temperature; Open circuit13Powertrain
P101FHigh pressure fuel supply: maximum pressure exceeded; Implausible signal12Powertrain
P1020Sensor supply voltage too low23Powertrain
P1021Oil control valve open24Powertrain
P1022Lost communication with reductant control module24Powertrain
P1023Adjustment range incorrect25Powertrain
P1024Fault, lower learning window21Powertrain
P1025no stops learned24Powertrain
P1026VVL Systems 1 Performance19Powertrain
P1027Clutch power supply23Powertrain
P1028Intake manifold tuning valve control circuit: open circuit; Mechanical failure20Powertrain

Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.

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