Powertrain
Definition only
Lights the check engine lamp
P2B94: Wastegate Position Sensor B Exceeded Learning Limit
Standardized SAE J2012 code · P2Bxx codes
What does P2B94 mean?
The required adaptation offset for the wastegate position sensor B exceeds the calibrated learning window. Sensor or mechanism out of nominal range.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Common causes
- High Mechanical wear shifted end-stops
- Medium Sensor reference drifted
Likelihood is a general estimate across vehicles; your make and model may differ.
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P2B94 in the community
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