OBD-II code · Powertrain (generic, extended)

P22CE Turbocharger Compressor Outlet Switching Valve Stuck Closed

Compressor outlet switching valve mechanically stuck closed — boost path locked. 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 P22CE?

The car may go into limp mode (reduced power). Get it diagnosed before a long trip.

Common causes

  • Most likelyValve stuck closed
  • Less likelyCarbon or debris buildup preventing free movement
  • Less likelyComponent wear with age - mechanical play

Symptoms

  • Check engine light on
  • Significant power loss / limp mode
  • Possible blue or black smoke from exhaust
  • Whistling or hissing sound from intake

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

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.