Engine Coolant Bypass Valve E Stuck Closed
The engine coolant bypass valve E reports a stuck closed 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 closed position
- Medium likelihood: Debris jammed in valve
- Low likelihood: Carbon or debris buildup preventing free movement
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.