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

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.