OBD-II code · Powertrain (generic)
P0AE2 Hybrid/EV Battery Precharge Contactor Circuit Stuck Closed
The HV battery precharge contactor is stuck in the closed position. Risk of damage to precharge resistor from sustained current.
Is it safe to drive with P0AE2?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyContacts welded closed
- PossibleDriver stuck on
- Less likelyCarbon or debris buildup preventing free movement
Symptoms
- EV/hybrid system warning light on
- Reduced power output or limp mode
- Charging may fail or be slowed
- Reduced electric range
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–8 h
- Emissions test
- Usually unaffected
- Parts involved
- Hv Battery Precharge Contactor, Precharge Resistor
Related codes
- P0ADFHybrid/EV Battery Negative Contactor Control Circuit Low
- P0AE0Hybrid/EV Battery Negative Contactor Control Circuit High
- P0AE1Hybrid/EV Battery Precharge Contactor Circuit
- P0AE3Hybrid/EV Battery Precharge Contactor Circuit Stuck Open
- P0AE4Hybrid/EV Battery Precharge Contactor A Control Circuit/Open
- P0AE5Hybrid/EV Battery Precharge Contactor A Control Circuit Range/Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.