Powertrain
generic / SAE
P22D7
Turbocharger Turbine Inlet Valve Position Sensor Circuit High
Position sensor above upper plausibility — open signal or 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.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number2 / D7
Possible causes
- Open signal line high
- Connector pins corroded - high contact resistance low
- Supply wire pinched against B+ source low
Symptoms
- Check engine light on
- Significant power loss / limp mode
- Possible blue or black smoke from exhaust
- Whistling or hissing sound from intake
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 120–800 €
- Estimated time: 0.7–3 h
- Component: turbine inlet valve
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012