OBD-II code · Powertrain (generic, extended)
P22CC Turbocharger Compressor Outlet Switching Valve Control Circuit High
Compressor outlet switching valve drive line stuck high — short to B+. Boost control tracks commanded vs. actual manifold pressure; persistent deviation means wastegate, vanes, hose or actuator are not delivering the requested pressure.
Is it safe to drive with P22CC?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyShort to B+
- Less likelyConnector pins corroded - high contact resistance
- Less likelySupply wire pinched against B+ source
Symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.7–3 h
- Emissions test
- Likely to fail
- Parts involved
- Boost Switching Valve
Related codes
- P22CATurbocharger Compressor Outlet Switching Valve Control Circuit/Open
- P22C9Turbocharger Compressor Outlet Valve Stuck Closed
- P22CBTurbocharger Compressor Outlet Switching Valve Control Circuit Low
- P22CDTurbocharger Compressor Outlet Switching Valve Stuck Open
- P22CETurbocharger Compressor Outlet Switching Valve Stuck Closed
- P22CFTurbocharger Turbine Inlet Valve Control Circuit/Open
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.