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_CTS
- Circuit reference G_R_CTS/G_R_UOTS
- Monitor Description
- Coolant temperature sensor stuck since start
- Purpose of the DTC
- To determine if the coolant 1 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
- Engine coolant temperature sensor 1 circuit short circuit to ground, short circuit to power, open circuit, high resistance
- Connector is disconnected, connector pin is backed out, connector pin corrosion
- Engine coolant temperature sensor 1 contamination
- Engine coolant temperature sensor 1 failure