OBD-II code · Powertrain (generic)
P022F Charge Air Cooler Bypass Control B Circuit High
Charge Air Cooler Bypass Control B Circuit High: the signal voltage is above the expected range. Often an open circuit or a short to supply voltage.
Is it safe to drive with P022F?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyWiring shorted to battery
- Less likelyConnector pins corroded - high contact resistance
- Less likelySupply wire pinched against B+ source
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–3 h
- Emissions test
- Likely to fail
- Parts involved
- Cac Bypass Valve B, Actuator Wiring
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.