P CODE FAMILY
Powertrain code references — Page 16.
Engine, transmission and powertrain diagnostic references. Exact vehicle and module context still matters.
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.