Powertrain
Definition only
Lights the check engine lamp
P2ABC: Wastegate Position Sensor B Circuit High
Standardized SAE J2012 code · P2Axx codes
What does P2ABC mean?
Voltage on the wastegate position sensor B signal line is above the expected window. Wire shorted to B+ or sensor open.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Common causes
- High Signal wire shorted to B+
- Medium Open position sensor
- Low Connector pins corroded - high contact resistance
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P2ABC on the same make and model first.
P2ABC in the community
Ask about P2ABCNo one has posted about P2ABC yet
Share your vehicle, the tool you used and what you tested — the first thread helps everyone who searches for this code.
Describe your P2ABC problem