OBD-II code · Powertrain (generic)
P0250 Turbocharger/Supercharger Wastegate Actuator B High
Wastegate actuator B control voltage above expected range. 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 P0250?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyWiring shorted to battery
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
- Often, with basic tools
- Typical labour
- 0.5–3 h
- Emissions test
- Likely to fail
- Parts involved
- Wastegate Actuator B, Actuator Wiring
Related codes
- P024DCharge Air Cooler Bypass Position Sensor A Circuit Range/Performance
- P024ECharge Air Cooler Bypass Position Sensor A Circuit Low
- P024FCharge Air Cooler Bypass Position Sensor A Circuit High
- P0251Injection Pump Fuel Metering Control A (Cam/Rotor/Injector)
- P0252Injection Pump Fuel Metering Control A Range/Performance (Cam/Rotor/Injector)
- P0253Injection Pump Fuel Metering Control A Low (Cam/Rotor/Injector)
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.