OBD-II code · Powertrain (generic, extended)
P22D2 Turbocharger Turbine Inlet Valve Stuck Open
Turbine inlet valve mechanically stuck open — exhaust gas flow cannot be redirected, sequential charging fails.
Is it safe to drive with P22D2?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyValve seized open from carbon
- 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
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1.5–5 h
- Emissions test
- Likely to fail
- Parts involved
- Turbine Inlet Valve
Related codes
- P22CFTurbocharger Turbine Inlet Valve Control Circuit/Open
- P22D0Turbocharger Turbine Inlet Valve Control Circuit Low
- P22D1Turbocharger Turbine Inlet Valve Control Circuit High
- P22D3Turbocharger Turbine Inlet Valve Stuck Closed
- P22D4Turbocharger Turbine Inlet Valve Position Sensor Circuit
- P22D5Turbocharger Turbine Inlet Valve Position Sensor Circuit Range/Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.