P0A1E
Starter/Generator Control Module
What it means
P0A1E means Starter/Generator Control Module.
Where it lives
For P0A1E, the part to look at first is the module named here.
Check these first
- A starter/generator control module that has failed
- Corrosion at the module connections
- Short or open in the module wiring
- A failed starter or generator
- Low battery voltage
What to do next
- Read starter/generator control module data on a scan tool
- Check the battery voltage
- Inspect the module connections
- Test the module wiring for short or open
- Replace the module if it does not communicate
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.