OBD
P0A11
DC/DC Converter Enable Circuit/Open
What it means
P0A11 means DC/DC Converter Enable Circuit/Open.
Check these first
- An open in the DC/DC converter enable circuit
- A short in the enable circuit
- Corrosion in the converter enable connector
- A failed DC/DC converter
- A fault in the high voltage battery pack
What to do next
- Check high voltage battery state of charge
- Inspect the converter enable circuit wiring and connector
- Test the enable circuit for continuity
- Verify the converter enable command
- Replace the DC/DC converter if it does not enable
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.