OBD-II code · Powertrain (generic)
P0AB8 Engine Mount B Control Circuit High
The active engine mount B control circuit reports a control circuit high condition. Vibration damping cannot be modulated.
Is it safe to drive with P0AB8?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyControl wire shorted to B+
- PossibleOpen actuator
- Less likelyConnector pins corroded - high contact resistance
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
Related codes
- P0A16Engine Mount A Control Circuit High
- P0AB5Hybrid/EV Battery Pack Air Temperature Sensor B Circuit Intermittent/Erratic
- P0AB6Engine Mount B Control Circuit/Open
- P0AB7Engine Mount B Control Circuit Low
- P0AB9Hybrid/EV System Performance
- P0ABAHybrid/EV Battery Pack Voltage Sense A Circuit
- P0ABBHybrid/EV Battery Pack Voltage Sense A Circuit Range/Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.