P06xx fault codes
256 generic codes from P0600 to P06FF, with what each means.
- P0600 Serial Communication Link
- P0601 Internal Control Module Memory Check Sum Error
- P0602 Control Module Programming Error
- P0603 Internal Control Module Keep Alive Memory (KAM) Error
- P0604 Internal Control Module Random Access Memory (RAM) Error
- P0605 Internal Control Module Read Only Memory (ROM) Error
- P0606 ECM/PCM Processor
- P0607 Control Module Performance
- P0608 Control Module VSS Output A
- P0609 Control Module VSS Output B
- P060A Internal Control Module Monitoring Processor Performance
- P060B Internal Control Module A and D Processing Performance
- P060C Internal Control Module Main Processor Performance
- P060D Internal Control Module Accelerator Pedal Position Performance
- P060E Internal Control Module Throttle Position Performance
- P060F Internal Control Module Coolant Temperature Performance
- P0610 Control Module Vehicle Options Error
- P0611 Fuel Injector Control Module Performance
- P0612 Fuel Injector Control Module Relay Control
- P0613 TCM Processor
- P0614 ECM and TCM Incompatible
- P0615 Starter Relay Circuit
- P0616 Starter Relay A Circuit Low
- P0617 Starter Relay Circuit High
- P0618 Alternative Fuel Control Module KAM Error
- P0619 Alternative Fuel Control Module RAM and ROM Error
- P061A Internal Control Module Torque Performance
- P061B Internal Control Module Torque Calculation Performance
- P061C Internal Control Module Engine RPM Performance
- P061D Internal Control Module Engine Air Mass Performance
- P061E Internal Control Module Brake Signal Performance
- P061F Internal Control Module Throttle Actuator Controller Performance
- P0620 Generator Control Circuit
- P0621 Generator Lamp L Control Circuit
- P0622 Generator Field F Control Circuit
- P0623 Generator Lamp Control Circuit
- P0624 Fuel Cap Lamp Control Circuit
- P0625 Generator Field Terminal Circuit Low
- P0626 Generator Field/F Terminal Circuit Performance
- P0627 Fuel Pump A Control Circuit Open
- P0628 Fuel Pump A Control Circuit Low
- P0629 Fuel Pump A Control Circuit High
- P062A Fuel Pump A Control Circuit Range or Performance
- P062B Internal Control Module Fuel Injector Control Performance
- P062C Internal Control Module Vehicle Speed Performance
- P062D Fuel Injector Driver Circuit Performance Bank 1
- P062E Fuel Injector Driver Circuit Performance Bank 2
- P062F Internal Control Module EEPROM Error
- P0630 VIN Not Programmed or Incompatible ECM or PCM
- P0631 VIN Not Programmed or Incompatible TCM
- P0632 Odometer Not Programmed ECM or PCM
- P0633 Immobiliser Key Not Programmed
- P0634 Control Module Internal Temperature A Too High
- P0635 Power Steering Control Circuit
- P0636 Power Steering Control Circuit Low
- P0637 Power Steering Control Circuit High
- P0638 Throttle Actuator Control Range/Performance (Bank 1)
- P0639 Throttle Actuator Control Range/Performance (Bank 2)
- P063A Generator Voltage Sense Circuit A
- P063B Generator Voltage Sense Circuit A Range or Performance
- P063C Generator Voltage Sense Circuit A Low
- P063D Generator Voltage Sense Circuit A High
- P063E Auto Configuration Throttle Input Not Present (Bank 1)
- P063F Auto Configuration Engine Coolant Temperature Input Not Present
- P0640 Intake Air Heater Control Circuit
- P0641 Sensor Reference Voltage A Circuit Open
- P0642 Sensor Reference Voltage A Circuit Low
- P0643 Sensor Reference Voltage A Circuit High
- P0644 Driver Display Serial Communication Circuit
- P0645 A/C Clutch Relay Control Circuit
- P0646 A/C Clutch Relay Control Circuit Low
- P0647 A/C Clutch Relay Control Circuit High
- P0648 Immobilizer Lamp Control Circuit
- P0649 Speed Control Lamp Control Circuit
- P064A Fuel Pump Control Module A
- P064B PTO Control Module
- P064C Glow Plug Control Module 1
- P064D Internal Control Module O2 Sensor Processor Performance Bank 1
- P064E Internal Control Module O2 Sensor Processor Performance Bank 2
- P064F Unauthorized Software or Calibration Detected
- P0650 Malfunction Indicator Lamp (MIL) Control Circuit
- P0651 Sensor Reference Voltage B Circuit Open
- P0652 Sensor Reference Voltage B Circuit Low
- P0653 Sensor Reference Voltage B Circuit High
- P0654 Engine RPM Output Circuit/Open
- P0655 Engine Hot Lamp Output Control Circuit
- P0656 Fuel Level Output Circuit
- P0657 Actuator Supply Voltage A Circuit Open
- P0658 Actuator Supply Voltage A Circuit Low
- P0659 Actuator Supply Voltage A Circuit High
- P065A Generator System Performance
- P065B Generator A Control Circuit Range or Performance
- P065C Generator A Mechanical Performance
- P065D Reductant System Malfunction Lamp Control Circuit
- P065E Intake Manifold Tuning Valve Performance Bank 1
- P065F Intake Manifold Tuning Valve Performance Bank 2
- P0660 Intake Manifold Tuning Valve Control Circuit Open Bank 1
- P0661 Intake Manifold Tuning Valve Control Circuit Low Bank 1
- P0662 Intake Manifold Tuning Valve Control Circuit High Bank 1
- P0663 Intake Manifold Tuning Valve Control Circuit Open Bank 2
- P0664 Intake Manifold Tuning Valve Control Circuit Low Bank 2
- P0665 Intake Manifold Tuning Valve Control Circuit High Bank 2
- P0666 PCM/ECM/TCM Internal Temperature Sensor Circuit
- P0667 PCM/ECM/TCM Internal Temperature Sensor Range/Performance
- P0668 PCM/ECM/TCM Internal Temperature Sensor Circuit Low
- P0669 PCM/ECM/TCM Internal Temperature Sensor Circuit High
- P066A Cylinder 1 Glow Plug Control Circuit Low
- P066B Cylinder 1 Glow Plug Control Circuit High
- P066C Cylinder 2 Glow Plug Control Circuit Low
- P066D Cylinder 2 Glow Plug Control Circuit High
- P066E Cylinder 3 Glow Plug Control Circuit Low
- P066F Cylinder 3 Glow Plug Control Circuit High
- P0670 Glow Plug Module Control Circuit
- P0671 Cylinder 1 Glow Plug Circuit
- P0672 Cylinder 2 Glow Plug Circuit
- P0673 Cylinder 3 Glow Plug Circuit
- P0674 Cylinder 4 Glow Plug Circuit
- P0675 Cylinder 5 Glow Plug Circuit
- P0676 Cylinder 6 Glow Plug Circuit
- P0677 Cylinder 7 Glow Plug Circuit
- P0678 Cylinder 8 Glow Plug Circuit
- P0679 Cylinder 9 Glow Plug Circuit
- P067A Cylinder 4 Glow Plug Control Circuit Low
- P067B Cylinder 4 Glow Plug Control Circuit High
- P067C Cylinder 5 Glow Plug Control Circuit Low
- P067D Cylinder 5 Glow Plug Control Circuit High
- P067E Cylinder 6 Glow Plug Control Circuit Low
- P067F Cylinder 6 Glow Plug Control Circuit High
- P0680 Cylinder 10 Glow Plug Circuit
- P0681 Cylinder 11 Glow Plug Circuit
- P0682 Cylinder 12 Glow Plug Circuit
- P0683 Glow Plug Control Module to PCM Communication Circuit
- P0684 Glow Plug Control Module to PCM Communication Circuit Range/Performance
- P0685 ECM/PCM Power Relay Control Circuit/Open
- P0686 ECM/PCM Power Relay Control Circuit Low
- P0687 ECM/PCM Power Relay Control Circuit High
- P0688 ECM/PCM Power Relay Sense Circuit
- P0689 ECM/PCM Power Relay Sense Circuit Low
- P068A ECM or PCM Power Relay De-Energized Performance Too Early
- P068B ECM or PCM Power Relay De-Energized Performance Too Late
- P068C Cylinder 7 Glow Plug Control Circuit Low
- P068D Cylinder 7 Glow Plug Control Circuit High
- P068E Cylinder 8 Glow Plug Control Circuit Low
- P068F Cylinder 8 Glow Plug Control Circuit High
- P0690 ECM/PCM Power Relay Sense Circuit High
- P0691 Cooling Fan 1 Control Circuit Low
- P0692 Cooling Fan 1 Control Circuit High
- P0693 Cooling Fan 2 Control Circuit Low
- P0694 Cooling Fan 2 Control Circuit High
- P0695 Fan 3 Control Circuit Low
- P0696 Fan 3 Control Circuit High
- P0697 Sensor Reference Voltage C Circuit/Open
- P0698 Sensor Reference Voltage C Circuit Low
- P0699 Sensor Reference Voltage C Circuit High
- P069A Cylinder 9 Glow Plug Control Circuit Low
- P069B Cylinder 9 Glow Plug Control Circuit High
- P069C Cylinder 10 Glow Plug Control Circuit Low
- P069D Cylinder 10 Glow Plug Control Circuit High
- P069E Fuel Pump Control Module Requested MIL Illumination
- P069F Throttle Actuator Control Lamp Control Circuit
- P06A0 Variable A/C Compressor Control Circuit
- P06A1 Variable A/C Compressor Control Circuit Low
- P06A2 Variable A/C Compressor Control Circuit High
- P06A3 Sensor Reference Voltage D Circuit/Open
- P06A4 Sensor Reference Voltage D Circuit Low
- P06A5 Sensor Reference Voltage D Circuit High
- P06A6 Sensor Reference Voltage A Circuit Range/Performance
- P06A7 Sensor Reference Voltage B Circuit Range/Performance
- P06A8 Sensor Reference Voltage C Circuit Range/Performance
- P06A9 Sensor Reference Voltage D Circuit Range/Performance
- P06AA Control Module Internal Temperature B Too High
- P06AB Control Module Internal Temperature Sensor B Circuit
- P06AC Control Module Internal Temperature Sensor B Range/Performance
- P06AD Control Module Internal Temperature Sensor B Circuit Low
- P06AE Control Module Internal Temperature Sensor B Circuit High
- P06AF Torque Management System - Forced Engine Shutdown
- P06B0 Sensor Power Supply A Circuit Open
- P06B1 Sensor Power Supply A Circuit Low
- P06B2 Sensor Power Supply A Circuit High
- P06B3 Sensor Power Supply B Circuit Open
- P06B4 Sensor Power Supply B Circuit Low
- P06B5 Sensor Power Supply B Circuit High
- P06B6 Internal Control Module Knock Sensor Processor 1 Performance
- P06B7 Internal Control Module Knock Sensor Processor 2 Performance
- P06B8 Internal Control Module Non-Volatile Random Access Memory (NVRAM) Error
- P06B9 Cylinder 1 Glow Plug Circuit Range or Performance
- P06BA Cylinder 2 Glow Plug Circuit Range or Performance
- P06BB Cylinder 3 Glow Plug Circuit Range or Performance
- P06BC Cylinder 4 Glow Plug Circuit Range or Performance
- P06BD Cylinder 5 Glow Plug Circuit Range or Performance
- P06BE Cylinder 6 Glow Plug Circuit Range or Performance
- P06BF Cylinder 7 Glow Plug Circuit Range or Performance
- P06C0 Cylinder 8 Glow Plug Circuit Range or Performance
- P06C1 Cylinder 9 Glow Plug Circuit Range or Performance
- P06C2 Cylinder 10 Glow Plug Circuit Range or Performance
- P06C3 Cylinder 11 Glow Plug Circuit Range or Performance
- P06C4 Cylinder 12 Glow Plug Circuit Range or Performance
- P06C5 Cylinder 1 Glow Plug Incorrect
- P06C6 Cylinder 2 Glow Plug Incorrect
- P06C7 Cylinder 3 Glow Plug Incorrect
- P06C8 Cylinder 4 Glow Plug Incorrect
- P06C9 Cylinder 5 Glow Plug Incorrect
- P06CA Cylinder 6 Glow Plug Incorrect
- P06CB Cylinder 7 Glow Plug Incorrect
- P06CC Cylinder 8 Glow Plug Incorrect
- P06CD Cylinder 9 Glow Plug Incorrect
- P06CE Cylinder 10 Glow Plug Incorrect
- P06CF Cylinder 11 Glow Plug Incorrect
- P06D0 Cylinder 12 Glow Plug Incorrect
- P06D1 Internal Control Module Ignition Coil Control Performance
- P06D2 Sensor Reference Voltage E Circuit Open
- P06D3 Sensor Reference Voltage E Circuit Low
- P06D4 Sensor Reference Voltage E Circuit High
- P06D5 Sensor Reference Voltage E Circuit Range or Performance
- P06D6 Sensor Reference Voltage F Circuit Open
- P06D7 Sensor Reference Voltage F Circuit Low
- P06D8 Sensor Reference Voltage F Circuit High
- P06D9 Sensor Reference Voltage F Circuit Range or Performance
- P06DA Engine Oil Pressure Control Circuit Open
- P06DB Engine Oil Pressure Control Circuit Low
- P06DC Engine Oil Pressure Control Circuit High
- P06DD Engine Oil Pressure Control Circuit Performance Stuck Off
- P06DE Engine Oil Pressure Control Circuit Stuck On
- P06DF Glow Plug Control Module 1 Memory Checksum Error
- P06E0 Cylinder 11 Glow Plug Control Circuit Low
- P06E1 Cylinder 11 Glow Plug Control Circuit High
- P06E2 Cylinder 12 Glow Plug Control Circuit Low
- P06E3 Cylinder 12 Glow Plug Control Circuit High
- P06E4 Control Module Wake-up Circuit Performance
- P06E5 Glow Plug Control Module 1 Performance
- P06E6 Sensor Power Supply C Circuit Open
- P06E7 Sensor Power Supply C Circuit Low
- P06E8 Sensor Power Supply C Circuit High
- P06E9 Engine Starter Performance
- P06EA NOx Sensor Processor Performance Bank 1 Sensor 1
- P06EB NOx Sensor Processor Performance Bank 1 Sensor 2
- P06EC Fuel Injector Control Module Requested MIL Illumination
- P06ED Engine RPM Output Circuit Low
- P06EE Engine RPM Output Circuit High
- P06EF Engine Restart Performance
- P06F0 Reductant Control Module Internal Temperature Sensor Circuit
- P06F1 Reductant Control Module Internal Temperature Sensor Range or Performance
- P06F2 Reductant Control Module Internal Temperature Sensor Circuit Low
- P06F3 Reductant Control Module Internal Temperature Sensor Circuit High
- P06F4 Stop-Start Mode Lamp Control Circuit
- P06F5 Glow Plug Control Module 2
- P06F6 Glow Plug Control Module 2 Control Circuit Open
- P06F7 Glow Plug Control Module 2 Control Circuit Low
- P06F8 Glow Plug Control Module 2 Control Circuit High
- P06F9 Glow Plug Control Module 2 System Voltage
- P06FA Glow Plug Control Module 2 Performance
- P06FB Glow Plug Control Module 2 Memory Checksum Error
- P06FC Glow Plug Control Module 2 to PCM Communication Circuit
- P06FD Glow Plug Control Module 2 to PCM Communication Range or Performance
- P06FE Cold Start Diesel Intake Air Flow Control Performance
- P06FF Economy Mode Lamp Control Circuit