Engine Coolant Bypass Valve E Control Circuit High
The engine coolant bypass valve E reports a control circuit high condition. Coolant routing on this branch cannot be commanded reliably.
Affected components
- Engine coolant bypass valve e
- Wiring harness
- Ecm
Common causes
- High likelihood: Wire shorted to B+
- Medium likelihood: Open valve actuator
- Low likelihood: Connector pins corroded - high contact resistance
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.