Engine Coolant Bypass Valve E Stuck/Open
The engine coolant bypass valve E reports a stuck/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: Valve stuck in open position
- Medium likelihood: Return spring failed
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.