Turbocharger/Supercharger Bypass Valve C Stuck
The turbocharger/supercharger bypass valve C is mechanically stuck. Boost recirculation on this branch cannot be commanded.
Affected components
- Turbo bypass valve c
Common causes
- High likelihood: Bypass valve mechanically seized
- Medium likelihood: Carbon deposits jam the valve
Possible symptoms
- Check engine light on
- Significant power loss / limp mode
- Possible blue or black smoke from exhaust
- Whistling or hissing sound from intake
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
- Reduced-power or limp mode may occur
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.