OBD-II code · Powertrain (generic, extended)
P2CBE PCV Heater "B" Control Circuit High
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.
Is it safe to drive with P2CBE?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyControl wire shorted to B+
- PossibleOpen heater element
- Less likelyConnector pins corroded - high contact resistance
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.3–1.5 h
- Emissions test
- Likely to fail
- Parts involved
- Pcv Heater B, Wiring Harness, Ecm
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.