OBD-II code · Powertrain (generic)
P0A0E High Voltage System Interlock Circuit A Intermittent
The high-voltage system interlock circuit A reports a intermittent condition. Safety interlock chain may be compromised.
Is it safe to drive with P0A0E?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyInterlock connector not seated
- PossibleNoisy ground reference
- Less likelyConnector with intermittent contact under vibration
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–6 h
- Emissions test
- Usually unaffected
- Parts involved
- Hv Interlock Circuit A, Wiring Harness, Bms
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.