P2D39
Forced Hybrid/EV Battery Disconnect
What it means
P2D39 means Forced Hybrid/EV Battery Disconnect.
Check these first
- A high voltage interlock loop that opened
- A service disconnect plug that is not seated
- A failed battery pack contactor
- A crash signal that forced the disconnect
- A damaged high voltage cable
What to do next
- Check the service disconnect plug is fully seated
- Inspect the high voltage interlock loop
- Scan for crash and interlock codes
- Test the battery pack contactors
- Repair the open high voltage circuit
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.