P0E40
Charge Status Indicator A Control Circuit High
What it means
P0E40 means Charge Status Indicator A Control Circuit High.
Check these first
- A short to voltage on the charge status indicator A control circuit
- A failed indicator A driver holding the line high
- An open ground at indicator A
- Water in the charge port connector
What to do next
- Check the indicator A control wire for a short to voltage
- Inspect the charge port connector for water and corrosion
- Verify the indicator A ground
- Command indicator A with a scan tool and watch it
- Replace the indicator or charge port assembly if the line stays high
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.