P06xx codes — Computer and output circuits
250 generic powertrain trouble codes from P0600 to P06FF. Each links to its page: what it means, how serious it is, and how to fix it.
- P0600Serial Communication Link
- P0601Internal Control Module Memory Checksum Error
- P0602Control Module Programming Error
- P0603Internal Control Module Keep Alive Memory (KAM) Error
- P0604Internal Control Module Random Access Memory (RAM) Error
- P0605Internal Control Module Read Only Memory (ROM) Error
- P0606Control Module Processor
- P0607Control Module Performance
- P0608Control Module VSS Output A
- P0609Control Module VSS Output B
- P060AInternal Control Module Monitoring Processor Performance
- P060BInternal Control Module A/D Processing Performance
- P060CInternal Control Module Main Processor Performance
- P060DInternal Control Module Accelerator Pedal Position Performance
- P060EInternal Control Module Throttle Position Performance
- P060FInternal Control Module Coolant Temperature Performance
- P0610Control Module Vehicle Options Error
- P0611Fuel Injector Control Module Performance
- P0612Fuel Injector Control Module Relay Control
- P0613TCM Processor
- P0614ECM/TCM Incompatible
- P0615Starter Relay A Circuit
- P0616Starter Relay A Circuit Low
- P0617Starter Relay A Circuit High
- P0618Alternative Fuel Control Module KAM Error
- P0619Alternative Fuel Control Module RAM/ROM Error
- P061AInternal Control Module Torque Performance
- P061BInternal Control Module Torque Calculation Performance
- P061CInternal Control Module Engine RPM Performance
- P061DInternal Control Module Engine Air Mass Performance
- P061EInternal Control Module Brake Signal Performance
- P061FInternal Control Module Throttle Actuator Controller Performance
- P0620Generator Control Circuit
- P0621Generator Lamp/L Terminal Circuit
- P0622Generator Field/F Terminal Circuit
- P0623Generator Lamp Control Circuit
- P0624Fuel Cap Lamp Control Circuit
- P0625Generator Field/F Terminal Circuit Low
- P0626Generator Field/F Terminal Circuit High
- P0627Fuel Pump A Control Circuit/Open
- P0628Fuel Pump A Control Circuit Low
- P0629Fuel Pump A Control Circuit High
- P062AFuel Pump A Control Circuit Range/Performance
- P062BInternal Control Module Fuel Injector Control Performance
- P062CInternal Control Module Vehicle Speed Performance
- P062DFuel Injector Driver Circuit Performance Bank 1
- P062EFuel Injector Driver Circuit Performance Bank 2
- P062FInternal Control Module EEPROM Error
- P0630VIN Not Programmed or Incompatible - ECM/PCM
- P0631VIN Not Programmed or Incompatible - TCM
- P0632Odometer Not Programmed - ECM/PCM
- P0633Immobilizer Key Not Programmed - ECM/PCM
- P0634Control Module Internal Temperature A Too High
- P0635Power Steering Control Circuit
- P0636Power Steering Control Circuit Low
- P0637Power Steering Control Circuit High
- P0638Throttle Actuator Control Range/Performance Bank 1
- P0639Throttle Actuator Control Range/Performance Bank 2
- P063AGenerator Voltage Sense Circuit A
- P063BGenerator Voltage Sense Circuit A Range/Performance
- P063CGenerator Voltage Sense Circuit A Low
- P063DGenerator Voltage Sense Circuit A High
- P063EAuto Configuration Throttle Input Not Present Bank 1
- P063FAuto Configuration Engine Coolant Temperature Input Not Present
- P0640Intake Air Heater Control Circuit
- P0641Sensor Reference Voltage A Circuit/Open
- P0642Sensor Reference Voltage A Circuit Low
- P0643Sensor Reference Voltage A Circuit High
- P0644Driver Display Serial Communication Circuit
- P0645A/C Clutch Relay Control Circuit
- P0646A/C Clutch Relay Control Circuit Low
- P0647A/C Clutch Relay Control Circuit High
- P0648Immobilizer Lamp Control Circuit
- P0649Speed Control Lamp Control Circuit
- P064AFuel Pump Control Module A
- P064BPTO Control Module
- P064CGlow Plug Control Module 1
- P064DInternal Control Module O2 Sensor Processor Performance Bank 1
- P064EInternal Control Module O2 Sensor Processor Performance Bank 2
- P064FUnauthorized Software/Calibration Detected
- P0650MIL Control Circuit/Open
- P0651Sensor Reference Voltage B Circuit/Open
- P0652Sensor Reference Voltage B Circuit Low
- P0653Sensor Reference Voltage B Circuit High
- P0654Engine RPM Output Circuit/Open
- P0655Engine Hot Lamp Output Control Circuit
- P0656Fuel Level Output Circuit
- P0657Actuator Supply Voltage A Circuit/Open
- P0658Actuator Supply Voltage A Circuit Low
- P0659Actuator Supply Voltage A Circuit High
- P065AGenerator System Performance
- P065BGenerator A Control Circuit Range/Performance
- P065CGenerator A Mechanical Performance
- P065DReductant System Malfunction Lamp Control Circuit
- P065EIntake Manifold Tuning Valve Performance Bank 1
- P065FIntake Manifold Tuning Valve Performance Bank 2
- P0660Intake Manifold Tuning Valve Control Circuit/Open Bank 1
- P0661Intake Manifold Tuning Valve Control Circuit Low Bank 1
- P0662Intake Manifold Tuning Valve Control Circuit High Bank 1
- P0663Intake Manifold Tuning Valve Control Circuit/Open Bank 2
- P0664Intake Manifold Tuning Valve Control Circuit Low Bank 2
- P0665Intake Manifold Tuning Valve Control Circuit High Bank 2
- P0666Control Module Internal Temperature Sensor A Circuit
- P0667Control Module Internal Temperature Sensor A Range/Performance
- P0668Control Module Internal Temperature Sensor A Circuit Low
- P0669Control Module Internal Temperature Sensor A Circuit High
- P066ACylinder 1 Glow Plug Control Circuit Low
- P066BCylinder 1 Glow Plug Control Circuit High
- P066CCylinder 2 Glow Plug Control Circuit Low
- P066DCylinder 2 Glow Plug Control Circuit High
- P066ECylinder 3 Glow Plug Control Circuit Low
- P066FCylinder 3 Glow Plug Control Circuit High
- P0670Glow Plug Control Module 1 Control Circuit/Open
- P0671Cylinder 1 Glow Plug Circuit/Open
- P0672Cylinder 2 Glow Plug Circuit/Open
- P0673Cylinder 3 Glow Plug Circuit/Open
- P0674Cylinder 4 Glow Plug Circuit/Open
- P0675Cylinder 5 Glow Plug Circuit/Open
- P0676Cylinder 6 Glow Plug Circuit/Open
- P0677Cylinder 7 Glow Plug Circuit/Open
- P0678Cylinder 8 Glow Plug Circuit/Open
- P0679Cylinder 9 Glow Plug Circuit/Open
- P067ACylinder 4 Glow Plug Control Circuit Low
- P067BCylinder 4 Glow Plug Control Circuit High
- P067CCylinder 5 Glow Plug Control Circuit Low
- P067DCylinder 5 Glow Plug Control Circuit High
- P067ECylinder 6 Glow Plug Control Circuit Low
- P067FCylinder 6 Glow Plug Control Circuit High
- P0680Cylinder 10 Glow Plug Circuit/Open
- P0681Cylinder 11 Glow Plug Circuit/Open
- P0682Cylinder 12 Glow Plug Circuit/Open
- P0683Glow Plug Control Module 1 to PCM Communication Circuit
- P0684Glow Plug Control Module 1 to PCM Communication Circuit Range/Performance
- P0685ECM/PCM Power Relay Control Circuit/Open
- P0686ECM/PCM Power Relay Control Circuit Low
- P0687ECM/PCM Power Relay Control Circuit High
- P0688ECM/PCM Power Relay Sense Circuit/Open
- P0689ECM/PCM Power Relay Sense Circuit Low
- P068AECM/PCM Power Relay De-Energized Performance - Too Early
- P068BECM/PCM Power Relay De-Energized Performance - Too Late
- P068CCylinder 7 Glow Plug Control Circuit Low
- P068DCylinder 7 Glow Plug Control Circuit High
- P068ECylinder 8 Glow Plug Control Circuit Low
- P068FCylinder 8 Glow Plug Control Circuit High
- P0690ECM/PCM Power Relay Sense Circuit High
- P0691Fan 1 Control Circuit Low
- P0692Fan 1 Control Circuit High
- P0693Fan 2 Control Circuit Low
- P0694Fan 2 Control Circuit High
- P0695Fan 3 Control Circuit Low
- P0696Fan 3 Control Circuit High
- P0697Sensor Reference Voltage C Circuit/Open
- P0698Sensor Reference Voltage C Circuit Low
- P0699Sensor Reference Voltage C Circuit High
- P069ACylinder 9 Glow Plug Control Circuit Low
- P069BCylinder 9 Glow Plug Control Circuit High
- P069CCylinder 10 Glow Plug Control Circuit Low
- P069DCylinder 10 Glow Plug Control Circuit High
- P069EFuel Pump Control Module Requested MIL Illumination
- P069FThrottle Actuator Control Lamp Control Circuit
- P06A0Variable A/C Compressor Control Circuit
- P06A1Variable A/C Compressor Control Circuit Low
- P06A2Variable A/C Compressor Control Circuit High
- P06A3Sensor Reference Voltage D Circuit/Open
- P06A4Sensor Reference Voltage D Circuit Low
- P06A5Sensor Reference Voltage D Circuit High
- P06A6Sensor Reference Voltage A Circuit Range/Performance
- P06A7Sensor Reference Voltage B Circuit Range/Performance
- P06A8Sensor Reference Voltage C Circuit Range/Performance
- P06A9Sensor Reference Voltage D Circuit Range/Performance
- P06ABControl Module Internal Temperature Sensor B Circuit
- P06ACControl Module Internal Temperature Sensor B Range/Performance
- P06AEControl Module Internal Temperature Sensor B Circuit High
- P06AFTorque Management System Forced Engine Shutdown
- P06B0Sensor Power Supply A Circuit/Open
- P06B1Sensor Power Supply A Circuit Low
- P06B2Sensor Power Supply A Circuit High
- P06B3Sensor Power Supply B Circuit/Open
- P06B4Sensor Power Supply B Circuit Low
- P06B5Sensor Power Supply B Circuit High
- P06B6Internal Control Module Knock/Combustion Vibration Sensor Processor 1 Performance
- P06B7Internal Control Module Knock/Combustion Vibration Sensor Processor 2 Performance
- P06B8Internal Control Module Non-Volatile Random Access Memory (NVRAM) Error
- P06B9Cylinder 1 Glow Plug Circuit Range/Performance
- P06BACylinder 2 Glow Plug Circuit Range/Performance
- P06BBCylinder 3 Glow Plug Circuit Range/Performance
- P06BCCylinder 4 Glow Plug Circuit Range/Performance
- P06BDCylinder 5 Glow Plug Circuit Range/Performance
- P06BECylinder 6 Glow Plug Circuit Range/Performance
- P06BFCylinder 7 Glow Plug Circuit Range/Performance
- P06C0Cylinder 8 Glow Plug Circuit Range/Performance
- P06C1Cylinder 9 Glow Plug Circuit Range/Performance
- P06C2Cylinder 10 Glow Plug Circuit Range/Performance
- P06C3Cylinder 11 Glow Plug Circuit Range/Performance
- P06C4Cylinder 12 Glow Plug Circuit Range/Performance
- P06C5Cylinder 1 Glow Plug Incorrect
- P06C6Cylinder 2 Glow Plug Incorrect
- P06C7Cylinder 3 Glow Plug Incorrect
- P06C8Cylinder 4 Glow Plug Incorrect
- P06C9Cylinder 5 Glow Plug Incorrect
- P06CACylinder 6 Glow Plug Incorrect
- P06CCCylinder 8 Glow Plug Incorrect
- P06CDCylinder 9 Glow Plug Incorrect
- P06CECylinder 10 Glow Plug Incorrect
- P06CFCylinder 11 Glow Plug Incorrect
- P06D0Cylinder 12 Glow Plug Incorrect
- P06D1Internal Control Module Ignition Coil Control Performance
- P06D2Sensor Reference Voltage E Circuit/Open
- P06D3Sensor Reference Voltage E Circuit Low
- P06D4Sensor Reference Voltage E Circuit High
- P06D5Sensor Reference Voltage E Circuit Range/Performance
- P06D6Sensor Reference Voltage F Circuit/Open
- P06D7Sensor Reference Voltage F Circuit Low
- P06D8Sensor Reference Voltage F Circuit High
- P06D9Sensor Reference Voltage F Circuit Range/Performance
- P06DAEngine Oil Pressure Control Circuit / Open
- P06DBEngine Oil Pressure Control Circuit Low
- P06DCEngine Oil Pressure Control Circuit High
- P06DDEngine Oil Pressure Control Circuit Performance/Stuck Off
- P06DEEngine Oil Pressure Control Circuit Stuck On
- P06DFGlow Plug Module Memory Checksum Error
- P06E0Cylinder 11 Glow Plug Control Circuit Low
- P06E1Cylinder 11 Glow Plug Control Circuit High
- P06E2Cylinder 12 Glow Plug Control Circuit Low
- P06E3Cylinder 12 Glow Plug Control Circuit High
- P06E4Control Module Wake up Circuit Performance
- P06E5Glow Plug Control Module 1 Performance
- P06E6Sensor Power Supply C Circuit/Open
- P06E7Sensor Power Supply C Circuit Low
- P06E8Sensor Power Supply C Circuit High
- P06E9Engine Starter Performance
- P06EANOx Sensor Processor Performance (Bank 1 Sensor1)
- P06EBNOx Sensor Processor Performance Bank 1 Sensor 2
- P06ECFuel Injector Control Module Requested MIL Illumination
- P06EDEngine RPM Output Circuit Low
- P06EFEngine Restart Performance
- P06F0Reductant Control Module Internal Temperature Sensor Circuit
- P06F1Reductant Control Module Internal Temperature Sensor Range/Performance
- P06F2Reductant Control Module Internal Temperature Sensor Circuit Low
- P06F3Reductant Control Module Internal Temperature Sensor Circuit High
- P06F4Stop Start Mode Lamp Control Circuit
- P06F5Glow Plug Control Module 2
- P06F6Glow Plug Control Module 2 Control Circuit/Open
- P06F7Glow Plug Control Module 2 Control Circuit Low
- P06F8Glow Plug Control Module 2 Control Circuit High
- P06F9Glow Plug Control Module 2 System Voltage
- P06FCGlow Plug Control Module 2 to PCM Communication Circuit
- P06FDGlow Plug Control Module 2 to PCM Communication Circuit Range/Performance
- P06FECold Start Diesel Intake Air Flow Control Performance
- P06FFEconomy Mode Lamp Control Circuit