Powertrain
Definition only
Lights the check engine lamp
P2BC0: Turbocharger/Supercharger Bypass Valve A Driver Current/Temperature Too High
Standardized SAE J2012 code · P2Bxx codes
What does P2BC0 mean?
The turbocharger/supercharger bypass valve A reports a driver current/temperature too high condition. Boost recirculation cannot be commanded reliably.
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 actuator jammed
- Medium Control wire shorted to ground
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P2BC0 on the same make and model first.
P2BC0 in the community
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