Code result
P05C2
Engine Coolant Pressure Sensor Circuit
Moderate severity
What it means
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).
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Open in sensor or wiring
highOne of the most commonly reported causes for this code — check this first.
Related help
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