OBD-II code · Powertrain (generic, extended)
P22D6 Turbocharger Turbine Inlet Valve Position Sensor Circuit Low
Position sensor below lower plausibility — short to ground. 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 P22D6?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyShort to ground
- Less likelyConnector pins corroded - high contact resistance
- Less likelyHarness chafing through insulation
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
Related codes
- P22D4Turbocharger Turbine Inlet Valve Position Sensor Circuit
- P22D3Turbocharger Turbine Inlet Valve Stuck Closed
- P22D5Turbocharger Turbine Inlet Valve Position Sensor Circuit Range/Performance
- P22D7Turbocharger Turbine Inlet Valve Position Sensor Circuit High
- P22D8Turbocharger Turbine Inlet Valve Position Sensor Circuit Intermittent/Erratic
- P22D9Cylinder 1 Alternative Fuel Injector Control Circuit/Open
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.