Cold Start Engine Coolant Bypass Valve C Range/Performance
During cold start, the engine coolant bypass valve C response does not match the cold-start calibration.
Affected components
- Engine coolant bypass valve c
Common causes
- High likelihood: Valve sluggish at cold
- Medium likelihood: Linkage iced
- Low likelihood: Sensor element aged beyond calibration window
Diagnostic notes
- The malfunction indicator lamp may illuminate
- A drive cycle may be required after repair
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.