OBD-II code · Powertrain (generic)
P0A8E 14 Volt Power Module System Voltage High
The 14V DC/DC converter module reports a "system voltage high" condition. 12V vehicle electrical supply may be impaired.
Is it safe to drive with P0A8E?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyOutput regulator overshoots
- PossibleVoltage feedback lost
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.