OBD-II code · Powertrain (generic, extended)
P2CD5 Turbocharger/Supercharger Bypass Valve C Stuck
The turbocharger/supercharger bypass valve C is mechanically stuck. Boost recirculation on this branch cannot be commanded.
Is it safe to drive with P2CD5?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyBypass valve mechanically seized
- PossibleCarbon deposits jam the valve
Symptoms
- Check engine light on
- Significant power loss / limp mode
- Possible blue or black smoke from exhaust
- Whistling or hissing sound from intake
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–5 h
- Emissions test
- Likely to fail
- Parts involved
- Turbo Bypass Valve C
Related codes
- P2C29Turbocharger/Supercharger Bypass Valve B Stuck
- P2CD2Hybrid/EV Battery Pack M Deterioration
- P2CD3Hybrid/EV Battery Pack N Deterioration
- P2CD4A/C Refrigerant Pressure Sensor A/B Correlation
- P2CD6Turbocharger/Supercharger Boost Sensor D Circuit
- P2CD7Turbocharger/Supercharger Boost Sensor D Circuit Range/Performance
- P2CD8Turbocharger/Supercharger Boost Sensor D Circuit Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.