Motor Electronics Coolant Pump C Control Circuit/Open
The motor electronics coolant pump C (cooling the drive inverter or motor) reports a control circuit/open condition. Power electronics cooling may be impaired.
Affected components
- Motor electronics coolant pump c
- Wiring harness
- Hybrid control module
Common causes
- High likelihood: Open in pump control wire
- Medium likelihood: Open pump motor
- Low likelihood: Pin pushed back out of connector body
Diagnostic notes
- The malfunction indicator lamp may illuminate
- Reduced-power or limp mode may occur
Related codes
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.