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.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: hard
Common causes
Ordered by how often each turns out to be the cause.
- Interlock connector not seatedCommon
- Noisy ground referencePossible
- Connector with intermittent contact under vibrationLess likely
Parts involved
- Hv Interlock Circuit A
- Wiring Harness
- Bms
P0A0E is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.