Engine Coolant Pump Control Module Over Temperature
The smart coolant pump controller has reached over-temperature. Sustained high duty or insufficient cooling air flow.
Affected components
- Smart coolant pump module
Common causes
- High likelihood: Sustained high duty cycle from cooling demand
- Medium likelihood: Cooling air channel blocked by debris
Possible symptoms
- Check engine light on
- Cooling fan runs constantly or not at all
- Cabin heater weak or excessively hot
- Possible long warm-up time or hard cold start
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.