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Generic Fault Codes & DTC List

Manufacturer and ECU-specific fault-code meanings. Check the stated ECU, model and code format against your diagnostic scan.

Generic fault codes — page 39
CodeMeaningApplicability
P0A77Generator Phase W Current HighGeneric Generic OBD
P0A78Drive Motor "A" Inverter PerformanceGeneric Generic OBD
P0A79Drive Motor "B" Inverter PerformanceGeneric Generic OBD
P0A7AGenerator Inverter PerformanceGeneric Generic OBD
P0A7BBattery Energy Control Module Requested MIL IlluminationGeneric Generic OBD
P0A7CMotor Electronics Over TemperatureGeneric Generic OBD
P0A7DHybrid Battery Pack State of Charge LowGeneric Generic OBD
P0A7EHybrid Battery Pack Over TemperatureGeneric Generic OBD
P0A7FHybrid Battery Pack DeteriorationGeneric Generic OBD
P0A80Replace Hybrid Battery PackGeneric Generic OBD
P0A81Hybrid Battery Pack Cooling Fan 1 Control Circuit/OpenGeneric Generic OBD
P0A82Hybrid Battery Pack Cooling Fan 1 Performance/Stuck OffGeneric Generic OBD
P0A83Hybrid Battery Pack Cooling Fan 1 Stuck OnGeneric Generic OBD
P0A84Hybrid Battery Pack Cooling Fan 1 Control Circuit LowGeneric Generic OBD
P0A85Hybrid Battery Pack Cooling Fan 1 Control Circuit HighGeneric Generic OBD
P0A8614 Volt Power Module Current Sensor CircuitGeneric Generic OBD
P0A8714 Volt Power Module Current Sensor Circuit Range/PerformanceGeneric Generic OBD
P0A8814 Volt Power Module Current Sensor Circuit LowGeneric Generic OBD
P0A8914 Volt Power Module Current Sensor Circuit HighGeneric Generic OBD
P0A8A14 Volt Power Module Current Sensor Circuit IntermittentGeneric Generic OBD
P0A8B14 Volt Power Module System VoltageGeneric Generic OBD
P0A8C14 Volt Power Module System Voltage UnstableGeneric Generic OBD
P0A8D14 Volt Power Module System Voltage LowGeneric Generic OBD
P0A8E14 Volt Power Module System Voltage HighGeneric Generic OBD
P0A8F14 Volt Power Module System PerformanceGeneric Generic OBD
P0A90Drive Motor "A" PerformanceGeneric Generic OBD
P0A91Drive Motor "B" PerformanceGeneric Generic OBD
P0A92Hybrid Generator PerformanceGeneric Generic OBD
P0A93Inverter "A" Cooling System PerformanceGeneric Generic OBD
P0A94DC/DC Converter PerformanceGeneric Generic OBD
P0A95High Voltage FuseGeneric Generic OBD
P0A96Hybrid Battery Pack Cooling Fan 2 Control Circuit/OpenGeneric Generic OBD
P0A97Hybrid Battery Pack Cooling Fan 2 Performance/Stuck OffGeneric Generic OBD
P0A98Hybrid Battery Pack Cooling Fan 2 Stuck OnGeneric Generic OBD
P0A99Hybrid Battery Pack Cooling Fan 2 Control Circuit LowGeneric Generic OBD
P0A9AHybrid Battery Pack Cooling Fan 2 Control Circuit HighGeneric Generic OBD
P0A9BHybrid Battery Temperature Sensor "A" CircuitGeneric Generic OBD
P0A9CHybrid Battery Temperature Sensor "A" Range/PerformanceGeneric Generic OBD
P0A9DHybrid Battery Temperature Sensor "A" Circuit LowGeneric Generic OBD
P0A9EHybrid Battery Temperature Sensor "A" Circuit HighGeneric Generic OBD
P0A9FHybrid Battery Temperature Sensor "A" Circuit Intermittent/ErraticGeneric Generic OBD
P0AA0Hybrid Battery Positive Contactor CircuitGeneric Generic OBD
P0AA1Hybrid Battery Positive Contactor Circuit Stuck ClosedGeneric Generic OBD
P0AA2Hybrid Battery Positive Contactor Circuit Stuck OpenGeneric Generic OBD
P0AA3Hybrid Battery Negative Contactor CircuitGeneric Generic OBD
P0AA4Hybrid Battery Negative Contactor Circuit Stuck ClosedGeneric Generic OBD
P0AA5Hybrid Battery Negative Contactor Circuit Stuck OpenGeneric Generic OBD
P0AA6Hybrid Battery Voltage System Isolation FaultGeneric Generic OBD
P0AA7Hybrid Battery Voltage Isolation Sensor CircuitGeneric Generic OBD
P0AA8Hybrid Battery Voltage Isolation Sensor Circuit Range/PerformanceGeneric Generic OBD

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