- P0678Cylinder 8 Glow Plug Circuit/OpenFull content
- P0679Cylinder 9 Glow Plug Circuit/OpenFull content
- P067ACylinder 4 Glow Plug Control Circuit LowFull content
- P067BCylinder 4 Glow Plug Control Circuit HighFull content
- P067CCylinder 5 Glow Plug Control Circuit LowFull content
- P067DCylinder 5 Glow Plug Control Circuit HighFull content
- P067ECylinder 6 Glow Plug Control Circuit LowFull content
- P067FCylinder 6 Glow Plug Control Circuit HighFull content
- P0680Cylinder 10 Glow Plug Circuit/OpenFull content
- P0681Cylinder 11 Glow Plug Circuit/OpenFull content
- P0682Cylinder 12 Glow Plug Circuit/OpenFull content
- P0683Glow Plug Control Module to PCM Communication CircuitFull content
- P0684Glow Plug Control Module to PCM Communication Circuit Range/PerformanceFull content
- P0685ECM/PCM Power Relay Control Circuit/OpenFull content
- P0686ECM/PCM Power Relay Control Circuit LowFull content
- P0687ECM/PCM Power Relay Control Circuit HighFull content
- P0688ECM/PCM Power Relay Sense CircuitFull content
- P0689ECM/PCM Power Relay Sense Circuit LowFull content
- P068AECM/PCM Power Relay De-Energized Performance - Too EarlyFull content
- P068BECM/PCM Power Relay De-Energized Performance - Too LateFull content
- P068CCylinder 7 Glow Plug Control Circuit LowFull content
- P068DCylinder 7 Glow Plug Control Circuit HighFull content
- P068ECylinder 8 Glow Plug Control Circuit LowFull content
- P068FCylinder 8 Glow Plug Control Circuit HighFull content
- P0690ECM/PCM Power Relay Sense Circuit HighFull content
- P0691Fan 1 Control Circuit LowFull content
- P0692Fan 1 Control Circuit HighFull content
- P0693Fan 2 Control Circuit LowFull content
- P0694Fan 2 Control Circuit HighFull content
- P0695Fan 3 Control Circuit LowFull content
- P0696Fan 3 Control Circuit HighFull content
- P0697Sensor Reference Voltage C Circuit / OpenFull content
- P0698Sensor Reference Voltage C Circuit LowFull content
- P0699Sensor Reference Voltage C Circuit HighFull content
- P069ACylinder 9 Glow Plug Control Circuit LowFull content
- P069BCylinder 9 Glow Plug Control Circuit HighFull content
- P069CCylinder 10 Glow Plug Control Circuit LowFull content
- P069DCylinder 10 Glow Plug Control Circuit HighFull content
- P069EFuel Pump Control Module Requested MIL IlluminationFull content
- P069FThrottle Actuator Control Lamp Control CircuitFull content
- P06A0Variable A/C Compressor Control CircuitFull content
- P06A1Variable A/C Compressor Control Circuit LowFull content
- P06A2Variable A/C Compressor Control Circuit HighFull content
- P06A3Sensor Reference Voltage D Circuit/OpenFull content
- P06A4Sensor Reference Voltage D Circuit LowFull content
- P06A5Sensor Reference Voltage D Circuit HighFull content
- P06A6Sensor Reference Voltage A Circuit Range/PerformanceFull content
- P06A7Sensor Reference Voltage B Circuit Range/PerformanceFull content
- P06A8Sensor Reference Voltage C Circuit Range/PerformanceFull content
- P06A9Sensor Reference Voltage D Circuit Range/PerformanceFull content
- P06AAControl Module Internal Temperature B Too HighFull content
- P06ABControl Module Internal Temperature Sensor B CircuitFull content
- P06ACControl Module Internal Temperature Sensor B Range/PerformanceFull content
- P06ADControl Module Internal Temperature Sensor B Circuit LowFull content
- P06AEControl Module Internal Temperature Sensor B Circuit HighFull content
- P06AFTorque Management System - Forced Engine ShutdownFull content
- P06B0Sensor Power Supply A Circuit/OpenFull content
- P06B1Sensor Power Supply A Circuit LowFull content
- P06B2Sensor Power Supply A Circuit HighFull content
- P06B3Sensor Power Supply B Circuit/OpenFull content
Other systems
This information follows the generic OBD-II definition and does not replace a vehicle-specific diagnosis. The severity rating is rule-based; an authorised diagnostic reading is required for a definitive answer.