OBD-II code · Powertrain (generic)
P0248 Turbocharger Wastegate Solenoid B High
The control circuit for wastegate solenoid B reports a voltage above the expected range. Typical causes are a short to power or an open ground.
Is it safe to drive with P0248?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyWastegate solenoid B defective
- PossibleWiring shorted to power
- Less likelyGround circuit open
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
- 0.5–2.5 h
- Emissions test
- Likely to fail
- Parts involved
- Wastegate Solenoid, Turbocharger, Solenoid Wiring
Related codes
- P0245Turbocharger/Supercharger Wastegate Solenoid "A" Low
- P0246Turbocharger/Supercharger Wastegate Solenoid "A" High
- P0247Turbocharger Wastegate Solenoid B Low
- P0249Turbocharger/Supercharger Wastegate Actuator B Low
- P024ACharge Air Cooler Bypass Control A Range/Performance
- P024BCharge Air Cooler Bypass Control A Stuck
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.