Motor Electronics Coolant Pump B Control Performance
The motor electronics coolant pump B control reports a performance fault. Pump output does not match commanded duty.
Affected components
- Motor electronics coolant pump b
Common causes
- High likelihood: Pump output degraded
- Medium likelihood: Air pocket in coolant loop
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.