OBD-II code · Powertrain (generic)

P0AB6 Engine Mount B Control Circuit/Open

The active engine mount B control circuit reports a control circuit/open condition. Vibration damping cannot be modulated.

Is it safe to drive with P0AB6?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

Common causes

  • Most likelyOpen in mount control wire
  • PossibleOpen mount actuator
  • Less likelyPin pushed back out of connector body

Repair at a glance

Difficulty
Medium
DIY friendly
Best left to a mechanic
Typical labour
1–5 h
Emissions test
Usually unaffected
Parts involved
Engine Mount B, Wiring Harness, Ecm

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