Coolant Pump E Control Circuit High
Coolant pump E reports a control circuit high condition. Coolant circulation through the affected loop cannot be commanded reliably.
Affected components
- Coolant pump e
- Wiring harness
- Ecm
Common causes
- High likelihood: Pump motor or driver fault
- Medium likelihood: Wiring or connector fault
- Low likelihood: Connector pins corroded - high contact resistance
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.