OBD
P0A0E
High Voltage System Interlock Circuit A Intermittent
What it means
P0A0E means High Voltage System Interlock Circuit A Intermittent.
Check these first
- An intermittent open in the high voltage interlock A wiring
- A loose high voltage connector
- Corrosion in the interlock A connector
- A failed interlock relay or fuse
- A fault in the high voltage control module
What to do next
- Wiggle test the high voltage interlock A wiring
- Inspect the high voltage connectors
- Check the interlock relay and fuse
- Read high voltage system live data
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.