OBD-II code · Powertrain (generic)
P0AB9 Hybrid/EV System Performance
The hybrid control module detects that the overall hybrid system performance does not match the calibrated profile. Multi-component analysis required.
Is it safe to drive with P0AB9?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySystem component drift
- PossibleSystem calibration off
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 3–16 h
- Emissions test
- Usually unaffected
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Hybrid Control Module, Bms, Drive Motor A, Generator
Related codes
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.