P0E0FGenerator Inverter Power Supply A Circuit/Open
- Generic OBD-II code · Powertrain
- Turns on the check-engine light
- Matters for the ITP
- Can trigger limp mode
- How the car detects it
- P0E0F is set when the generator inverter loses one of its internal supplies, supply A, or the line to it is interrupted. Which supply carries the letter A is up to the manufacturer; usually it is the low-voltage feed of the gate drivers that switch the power transistors. No manufacturer documents P0E0F publicly. The drive motor counterpart P0C0B shows how such a check works at GM: the IGBT module itself reports a bias fault once its gate drive supply drops below a threshold, which the 2011 Volt treats as Type A after a single 2.08 ms event and a 2019 table after 0.168 s within a 0.2 s window. CARB requires circuit monitoring of hybrid components. Without gate drive supply the generator cannot be controlled at all. Low and high variants: P0E10, P0E11; supply B: P2CC5.
- What you may notice
- Hybrid system warning light and MIL on
- Generator out of operation, vehicle may not reach ready state
- Likely causes
- PossibleGate driver supply inside the inverter failed
- Possible12 V feed, fuse or connector of the inverter interrupted
- RareDeep 12 V dips during start-up
- Inspection (ITP)
- Matters for the ITP. While the check-engine light is on, the car fails the emissions check.
- Repair
- Workshop only · Usually a job for a workshop.Typical cost: €100 – €4,500
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.