Engine Coolant Pressure Sensor Circuit
A general circuit fault is detected on the engine coolant pressure sensor - used to detect a pressurised coolant system that has lost pressure (cap, hose, head gasket leak) or is over-pressurised (combustion gases entering coolant).
Affected components
- Engine coolant pressure sensor
Common causes
- High likelihood: Open in sensor or wiring
Diagnostic notes
- The malfunction indicator lamp may illuminate
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.