OBD
P0A08
DC/DC Converter Status Circuit
What it means
P0A08 means DC/DC Converter Status Circuit.
Check these first
- A short or open in the DC/DC converter status circuit
- A DC/DC converter that is failing
- Corrosion at the converter connector
- A low or weak 12 volt battery
- A hybrid control module fault
What to do next
- Read DC/DC converter status data on a scan tool
- Check the 12 volt battery and charging system
- Test the status circuit for short or open
- Inspect the converter connector
- Replace the 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.