OBD Codes List

Diagnostic reference · P0E40

P0E40

Charge Status Indicator A Control Circuit High

System
Powertrain control (P code)
Lamp
Check Engine Light
Category
Powertrain - Hybrid Propulsion

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

  1. Check the indicator A control wire for a short to voltage
  2. Inspect the charge port connector for water and corrosion
  3. Verify the indicator A ground
  4. Command indicator A with a scan tool and watch it
  5. Replace the indicator or charge port assembly if the line stays high
  6. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.