Possible Causes
WARNING: This page is about a different variant/trim than selected.
- Electrical Cause
- Yes
- Mechanical Cause
- Yes
- Control Module Cavity
- Circuit reference Signal I_A_CHT
- Monitor Description
- Cylinder head temperature sensor stuck since start
- Purpose of the DTC
- To determine if the cylinder head temperature sensor is stuck at a given value from cold start through to warm engine
- Prioritized List of Possible Causes
- Cooling system mechanical and fluid integrity
- Cooling fan system mechanical integrity
- Thermostat system mechanical integrity
- Cylinder head temperature sensor circuit short circuit to ground, short circuit to power, open circuit, high resistance
- Connector is disconnected, connector pin is backed out, connector pin corrosion
- Cylinder head temperature sensor failure
- Engine coolant level or flow failure