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Powertrain code references — Page 16.

Engine, transmission and powertrain diagnostic references. Exact vehicle and module context still matters.

9,891 code references in powertrain

Generic OBD-II
P05E0

Brake Pedal Position Sensor A/B Correlation

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Generic OBD-II
P05E1

A/C Refrigerant Pressure Sensor A Circuit Intermittent/Erratic

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Generic OBD-II
P05E2

A/C Refrigerant Pressure Sensor B Circuit Intermittent/Erratic

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Generic OBD-II
P05E3

Park Brake Sensor/Switch Circuit

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Generic OBD-II
P05E4

Park Brake Sensor/Switch Circuit Low

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Generic OBD-II
P05E5

Park Brake Sensor/Switch Circuit High

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Generic OBD-II
P05E6

Park Brake Sensor/Switch Circuit Range/Performance

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Generic OBD-II
P05E7

Park Brake Sensor/Switch Circuit Intermittent/Erratic

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Generic OBD-II
P05E8

Engine Oil Bypass Valve Control Circuit/Open

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Generic OBD-II
P05E9

Engine Oil Bypass Valve Control Circuit Low

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Generic OBD-II
P05EA

Engine Oil Bypass Valve Control Circuit High

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Generic OBD-II
P05EB

Cold Start SCR NOx Catalyst Inlet Temperature Too Low

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Generic OBD-II
P05EC

Cold Start Injection Timing Performance

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Generic OBD-II
P05ED

Reductant Heater Control Module Supply Voltage

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Generic OBD-II
P05EE

Reductant Pump Supply Voltage Circuit/Open

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Generic OBD-II
P05EF

Reductant Pump Supply Voltage Circuit Low

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Generic OBD-II
P05F0

Reductant Pump Supply Voltage Circuit High

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Generic OBD-II
P05F1

Reductant Pump Supply Voltage Circuit Stuck On

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Generic OBD-II
P05F2

Reductant Pump Supply Voltage Circuit Stuck Off

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Generic OBD-II
P05F3

Exhaust Aftertreatment Power Relay Control Circuit/Open

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Generic OBD-II
P05F4

Exhaust Aftertreatment Power Relay Control Circuit Low

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Generic OBD-II
P05F5

Exhaust Aftertreatment Power Relay Control Circuit High

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Generic OBD-II
P05F6

Exhaust Aftertreatment Power Relay Control Circuit Stuck On

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Generic OBD-II
P05F7

Exhaust Aftertreatment Power Relay Control Circuit Stuck Off

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Generic OBD-II
P05F8

Reductant Heater Control Module Performance

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Generic OBD-II
P05F9

Stop-Start Status Signal Circuit

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Generic OBD-II
P05FA

Stop-Start Status Signal Circuit Low

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Generic OBD-II
P05FB

Stop-Start Status Signal Circuit High

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Generic OBD-II
P05FC

Cold Start Fuel Pressure Performance Bank 2

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Generic OBD-II
P05FD

Turbocharger/Supercharger Boost Control A Temperature Too High

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Generic OBD-II
P05FE

Active Grille Air Shutter C Performance/Stuck Off

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Generic OBD-II
P05FF

Brake Pressure Sensor / Brake Pedal Position Sensor Correlation

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Generic OBD-II
P0600

Serial Communication Link

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Generic OBD-II
P0601

Internal Control Module Memory Checksum Error

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Generic OBD-II
P0602

Control Module Programming Error

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Generic OBD-II
P0603

Internal Control Module Keep Alive Memory (KAM) Error

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Generic OBD-II
P0604

Internal Control Module Random Access Memory (RAM) Error

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Generic OBD-II
P0605

Internal Control Module Read Only Memory (ROM) Error

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Generic OBD-II
P0606

Control Module Processor

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Generic OBD-II
P0607

Control Module Performance

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Generic OBD-II
P0608

Control Module VSS Output A

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Generic OBD-II
P0609

Control Module VSS Output B

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Generic OBD-II
P060A

Internal Control Module Monitoring Processor Performance

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Generic OBD-II
P060B

Internal Control Module A/D Processing Performance

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Generic OBD-II
P060C

Internal Control Module Main Processor Performance

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Generic OBD-II
P060D

Internal Control Module Accelerator Pedal Position Performance

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Generic OBD-II
P060E

Internal Control Module Throttle Position Performance

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Generic OBD-II
P060F

Internal Control Module Coolant Temperature Performance

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Generic OBD-II
P0610

Control Module Vehicle Options Error

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Generic OBD-II
P0611

Fuel Injector Control Module Performance

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Generic OBD-II
P0612

Fuel Injector Control Module Relay Control

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Generic OBD-II
P0613

TCM Processor

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Generic OBD-II
P0614

ECM/TCM Incompatible

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Generic OBD-II
P0615

Starter Relay A Circuit

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Generic OBD-II
P0616

Starter Relay A Circuit Low

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Generic OBD-II
P0617

Starter Relay A Circuit High

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Generic OBD-II
P0618

Alternative Fuel Control Module KAM Error

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Generic OBD-II
P0619

Alternative Fuel Control Module RAM/ROM Error

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Generic OBD-II
P061A

Internal Control Module Torque Performance

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Generic OBD-II
P061B

Internal Control Module Torque Calculation Performance

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Generic OBD-II
P061C

Internal Control Module Engine RPM Performance

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Generic OBD-II
P061D

Internal Control Module Engine Air Mass Performance

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Generic OBD-II
P061E

Internal Control Module Brake Signal Performance

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Generic OBD-II
P061F

Internal Control Module Throttle Actuator Controller Performance

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Generic OBD-II
P0620

Generator Control Circuit

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Generic OBD-II
P0621

Generator Lamp/L Terminal Circuit

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Generic OBD-II
P0622

Generator Field/F Terminal Circuit

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Generic OBD-II
P0623

Generator Lamp Control Circuit

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Generic OBD-II
P0624

Fuel Cap Lamp Control Circuit

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Generic OBD-II
P0625

Generator Field/F Terminal Circuit Low

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Generic OBD-II
P0626

Generator Field/F Terminal Circuit High

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Generic OBD-II
P0627

Fuel Pump A Control Circuit/Open

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Generic OBD-II
P0628

Fuel Pump A Control Circuit Low

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Generic OBD-II
P0629

Fuel Pump A Control Circuit High

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Generic OBD-II
P062A

Fuel Pump A Control Circuit Range/Performance

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Generic OBD-II
P062B

Internal Control Module Fuel Injector Control Performance

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Generic OBD-II
P062C

Internal Control Module Vehicle Speed Performance

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Generic OBD-II
P062D

Fuel Injector Driver Circuit Performance Bank 1

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Generic OBD-II
P062E

Fuel Injector Driver Circuit Performance Bank 2

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Generic OBD-II
P062F

Internal Control Module EEPROM Error

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Generic OBD-II
P0630

VIN Not Programmed or Incompatible - ECM/PCM

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Generic OBD-II
P0631

VIN Not Programmed or Incompatible - TCM

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Generic OBD-II
P0632

Odometer Not Programmed - ECM/PCM

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Generic OBD-II
P0633

Immobilizer Key Not Programmed - ECM/PCM

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Generic OBD-II
P0634

Control Module Internal Temperature A Too High

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Generic OBD-II
P0635

Power Steering Control Circuit

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Generic OBD-II
P0636

Power Steering Control Circuit Low

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Generic OBD-II
P0637

Power Steering Control Circuit High

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Generic OBD-II
P0638

Throttle Actuator Control Range/Performance Bank 1

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Generic OBD-II
P0639

Throttle Actuator Control Range/Performance Bank 2

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Generic OBD-II
P063A

Generator Voltage Sense Circuit A

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Generic OBD-II
P063B

Generator Voltage Sense Circuit A Range/Performance

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Generic OBD-II
P063C

Generator Voltage Sense Circuit A Low

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Generic OBD-II
P063D

Generator Voltage Sense Circuit A High

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Generic OBD-II
P063E

Auto Configuration Throttle Input Not Present Bank 1

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Generic OBD-II
P063F

Auto Configuration Engine Coolant Temperature Input Not Present

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Generic OBD-II
P0640

Intake Air Heater Control Circuit

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Generic OBD-II
P0641

Sensor Reference Voltage A Circuit/Open

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Generic OBD-II
P0642

Sensor Reference Voltage A Circuit Low

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Generic OBD-II
P0643

Sensor Reference Voltage A Circuit High

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These are code references, not a list of confirmed faults on every vehicle. Read the source and applicability notes, then match the exact vehicle, year, engine and scan report.