Powertrain
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Lights the check engine lamp
P2CBE: PCV Heater "B" Control Circuit High
Standardized SAE J2012 code · P2Cxx codes
What does P2CBE mean?
The control circuit of PCV (positive crankcase ventilation) heater B reports a control circuit high condition. PCV line heater prevents oil mist freezing in cold weather.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Common causes
- High Control wire shorted to B+
- Medium Open heater element
- 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 P2CBE on the same make and model first.
P2CBE in the community
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