OBD-II code · Powertrain (generic)
P0A8F 14 Volt Power Module System Performance
The 14V DC/DC converter module reports a "system performance" condition. 12V vehicle electrical supply may be impaired.
Is it safe to drive with P0A8F?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyModule characteristic drifted
- PossibleThermal drift outside calibration
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–8 h
- Emissions test
- Usually unaffected
- Parts involved
- Pm14v Module, Dcdc Converter
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.