Coolant Pump C Stuck/Stalled
The third coolant pump is commanded on but the rotor does not turn. Sediment, frozen coolant, or a foreign object jams the impeller.
Affected components
- Coolant pump c
- Cooling system
Common causes
- High likelihood: Impeller jammed by sediment or debris
- Medium likelihood: Pump motor seized by bearing failure
Diagnostic notes
- The malfunction indicator lamp may illuminate
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.