OBD-II code · Powertrain (generic, extended)

P27D6 Pressure Control Solenoid S Control Circuit Range/Performance

The current through pressure control solenoid S does not match the commanded value within tolerance. Coil resistance drift or high-resistance contact.

Is it safe to drive with P27D6?

The car may go into limp mode (reduced power). Get it diagnosed before a long trip.

Common causes

  • PossibleCoil resistance changed by thermal stress
  • PossibleHigh-resistance contact in solenoid connector
  • Less likelySensor element aged beyond calibration window

Repair at a glance

Difficulty
Hard
DIY friendly
Best left to a mechanic
Typical labour
1.5–6 h
Emissions test
Usually unaffected
Parts involved
Pressure Control Solenoid S, Wiring Harness

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