Coolant Degassing Valve Control Circuit / Open
The controller cannot drive the coolant degassing valve. Air pockets in the cooling system can form and cause local overheating.
Affected components
- Coolant degassing valve
- Solenoid
- Wiring harness
Common causes
- High likelihood: Open coil in degassing valve
- Medium likelihood: Broken control wire
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.