Powertrain OBD-II Codes (Pxxxx)
1246 diagnostic trouble codes
Powertrain codes cover the engine, transmission, fuel system, emissions controls, and ignition system. These are the most common OBD-II codes, triggered when the engine control module (ECM) or transmission control module (TCM) detects a malfunction.
P0926Gear Shift Reverse Actuator Circuit LowGenericP0927Gear Shift Reverse Actuator Circuit HighGenericP0928Gear Shift Lock Solenoid Circuit / OpenGenericP0929Gear Shift Lock Solenoid Circuit Range/PerformanceGenericP0930Gear Shift Lock Solenoid Circuit LowGenericP0931Gear Shift Lock Solenoid Circuit HighGenericP0932Hydraulic Pressure Sensor CircuitGenericP0933Hydraulic Pressure Sensor Range/PerformanceGenericP0934Hydraulic Pressure Sensor Circuit Low InputGenericP0935Hydraulic Pressure Sensor Circuit High InputGenericP0936Hydraulic Pressure Sensor Circuit IntermittentGenericP0937Hydraulic Oil Temperature Sensor CircuitGenericP0938Hydraulic Oil Temperature Sensor Range/PerformanceGenericP0939Hydraulic Oil Temperature Sensor Circuit Low InputGenericP0940Hydraulic Oil Temperature Sensor Circuit High InputGenericP0941Hydraulic Oil Temperature Sensor Circuit IntermittentGenericP0942Hydraulic Pressure UnitGenericP0943Hydraulic Pressure Unit Cycling Period Too ShortGenericP0944Hydraulic Pressure Unit Loss of PressureGenericP0945Hydraulic Pump Relay Circuit / OpenGenericP0946Hydraulic Pump Relay Circuit Range/PerformanceGenericP0947Hydraulic Pump Relay Circuit LowGenericP0948Hydraulic Pump Relay Circuit HighGenericP0949ASM Adaptive Learning Not DoneGenericP0950ASM Control Circuit [Up / Down / Auto / etc]GenericP0951ASM Control Circuit Range/PerformanceGenericP0952ASM Control Circuit LowGenericP0953ASM Control Circuit HighGenericP0954ASM Control Circuit IntermittentGenericP0955ASM Mode Circuit [Perf / Winter / Sport / etc]GenericP0956ASM Mode Circuit Range/PerformanceGenericP0957ASM Mode Circuit LowGenericP0958ASM Mode Circuit HighGenericP0959ASM Mode Circuit IntermittentGenericP0960Pressure Control Solenoid A Control Circuit / OpenGenericP0961Pressure Control Solenoid A Control Circuit Range/PerformanceGenericP0962Pressure Control Solenoid A Control Circuit LowGenericP0963Pressure Control Solenoid A Control Circuit HighGenericP0964Pressure Control Solenoid B Control Circuit / OpenGenericP0965Pressure Control Solenoid B Control Circuit Range/PerformanceGenericP0966Pressure Control Solenoid B Control Circuit LowGenericP0967Pressure Control Solenoid B Control Circuit HighGenericP0968Pressure Control Solenoid C Control Circuit / OpenGenericP0969Pressure Control Solenoid C Control Circuit Range/PerformanceGenericP0970Pressure Control Solenoid C Control Circuit LowGenericP0971Pressure Control Solenoid C Control Circuit HighGenericP0972Shift Solenoid A Control Circuit Range/PerformanceGenericP0973Shift Solenoid A Control Circuit LowGenericP0974Shift Solenoid A Control Circuit HighGenericP0975Shift Solenoid B Control Circuit Range/PerformanceGeneric