Fault code lookup

GM fault codes

17,703 codes · 2,212 vehicle records · 180 ECU records · 10,756 live-data parameters

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Shared-name brands using this data:

Codes 17,703

CodeDescriptionBrandsSystem
P1A67CMU10 cell voltage high15Powertrain
P1A68CMU11 cell voltage high14Powertrain
P1A69Slope signal invalid14Powertrain
P1A6ACMU01 suhu bateri13Powertrain
P1A6BFront Electric Drive Unit Oil Module Transmission Fluid Sump Temperature Sensor - No Operation12Powertrain
P1A6CFront Electric Drive Unit Oil Module Transmission Fluid Heat Exchanger Temperature Sensor - No Operation12Powertrain
P1A6DRear Electric Drive Unit Oil Module Transmission Fluid Sump Temperature Sensor - No Operation12Powertrain
P1A6ERear Electric Drive Unit Oil Module Transmission Fluid Heat Exchanger Temperature Sensor - No Operation14Powertrain
P1A6FDrive motor no crank at restart14Powertrain
P1A70Hybrid control ECU 214Powertrain
P1A7114V power module temperature sensor 2 performance15Powertrain
P1A7214V power module temperature sensor 2 circuit low voltage15Powertrain
P1A7314V power module temperature sensor 2 circuit high voltage13Powertrain
P1A74Power supply transformer step down voltage performance13Powertrain
P1A75CMU12 battery temperature13Powertrain
P1A76Peripheral clock too low12Powertrain
P1A77Check generator belt13Powertrain
P1A78Vehicle speed signal error alarm14Powertrain
P1A79Battery system integration fault12Powertrain
P1A7ADC (DC converter) fault13Powertrain
P1A7BDriving wheel speed signal alarm13Powertrain
P1A7CBattery system charging failure13Powertrain
P1A7DVCU Voltage Sensor Circuit Reference Voltage High13Powertrain
P1A80Communication error15Powertrain
P1A81Service lamp request_ECU15Powertrain
P1A82Reversible alternator14Powertrain
P1A83Service lamp request_MCU14Powertrain
P1A84Reversible alternator14Powertrain
P1A85Reversible alternator15Powertrain
P1A86Reversible alternator16Powertrain
P1A87Reversible alternator13Powertrain
P1A88Reversible alternator14Powertrain
P1A8942V system low voltage14Powertrain
P1A8A42V system high voltage14Powertrain
P1A8B42V inverter temperature high15Powertrain
P1A8DStarter control interface unit failure15Powertrain
P1A8EStarter control interface unit failure14Powertrain
P1A9014V power module temperature sensor 1 performance15Powertrain
P1A9114V power module temperature sensor 1 circuit low voltage17Powertrain
P1A9214V power module temperature sensor 1 circuit high voltage14Powertrain
P1A93Reversible alternator14Powertrain
P1A94Reversible alternator13Powertrain
P1A96Controlled generator16Powertrain
P1A97Single battery temperature too low13Powertrain
P1A98Stop and start13Powertrain
P1A99Stop and start14Powertrain
P1A9BChange ID (CMU 01)14Powertrain
P1A9CEnergy accumulator12Powertrain
P1A9DChange ID (CMU 03)13Powertrain
P1A9EChange ID (CMU 04)15Powertrain

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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