Powertrain
generic / SAE
P2CD5
Turbocharger/Supercharger Bypass Valve C Stuck
The turbocharger/supercharger bypass valve C is mechanically stuck. Boost recirculation on this branch cannot be commanded.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberC / D5
Possible causes
- Bypass valve mechanically seized high
- Carbon deposits jam the valve medium
Symptoms
- Check engine light on
- Significant power loss / limp mode
- Possible blue or black smoke from exhaust
- Whistling or hissing sound from intake
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 200–1200 €
- Estimated time: 1–5 h
- Component: turbo bypass valve c
- MIL / check engine light
- emissions-relevant
- limp mode possible
Sources
References
sae:J2012