Powertrain
Definition only
Lights the check engine lamp
P2CD5: Turbocharger/Supercharger Bypass Valve C Stuck
Standardized SAE J2012 code · P2Cxx codes
What does P2CD5 mean?
The turbocharger/supercharger bypass valve C is mechanically stuck. Boost recirculation on this branch cannot be commanded.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Symptoms
- Check engine light on
- Significant power loss / limp mode
- Possible blue or black smoke from exhaust
- Whistling or hissing sound from intake
Common causes
- High Bypass valve mechanically seized
- Medium Carbon deposits jam the valve
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P2CD5 on the same make and model first.
P2CD5 in the community
Ask about P2CD5No one has posted about P2CD5 yet
Share your vehicle, the tool you used and what you tested — the first thread helps everyone who searches for this code.
Describe your P2CD5 problem