OBD-II code · Powertrain (generic, extended)

P22D5 Turbocharger Turbine Inlet Valve Position Sensor Circuit Range/Performance

Position sensor in range but plausibility fails — does not match commanded position. 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 P22D5?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

Common causes

  • Most likelySensor drift
  • Less likelySensor element aged beyond calibration window
  • Less likelySensor mounting loose - signal damping

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
Turbine Inlet Valve

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