OBD
P2E39
Battery Charger B Fuse
What it means
P2E39 means Battery Charger B Fuse.
Check these first
- A blown charger B fuse
- A short in the charger B circuit drawing excess current
- Corrosion at the charger B fuse holder
- A loose charger B fuse
- A faulty charger module B
What to do next
- Check the charger B fuse
- Replace the blown charger B fuse
- Inspect the charger B circuit for a short
- Check the fuse holder for corrosion
- Test charger module B if the fuse blows again
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.