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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.

  • Check engine light: Yes
  • Emissions related: No
  • Repair difficulty: medium

Common causes

Ordered by how often each turns out to be the cause.

  • Open in mount control wireCommon
  • Open mount actuatorPossible
  • Pin pushed back out of connector bodyLess likely

Parts involved

  • Engine Mount B
  • Wiring Harness
  • ECM

P0AB6 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.