Engine Coolant Bypass Valve E Control Circuit/Open
The engine coolant bypass valve E reports a control circuit/open condition. Coolant routing on this branch cannot be commanded reliably.
Affected components
- Engine coolant bypass valve e
- Wiring harness
- Ecm
Common causes
- High likelihood: Open in valve control wire
- Medium likelihood: Open valve actuator
- Low likelihood: Pin pushed back out of connector body
Diagnostic notes
- The malfunction indicator lamp may illuminate
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.