LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> GMC >> 2022 >> Hummer EV >> Repair and Diagnosis >> Electrical >> Charging Systems >> Plug-In Charging System >> Diagnostic Information and Procedures >> DTC P0D91-P0D93 or P1C2F >> Circuit/System Verification
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Circuit/System Verification

  1. Vehicle On
  2. Verify the scan tool parameter:

    Battery Charger Coupler Lock Command & Battery Charger Coupler Lock display the same state.

    • If not the specified state 

      Refer to: Circuit/System Testing

    • Go to next step: If the specified state 
  3. Perform the scan tool control function: Battery Charger Coupler Lock - Open/Close
  4. Verify the scan tool parameter:

    Battery Charger Coupler Lock Command & Battery Charger Coupler Lock display the same state.

    • If not the specified state 

      Refer to: Circuit/System Testing

    • Go to next step: If the specified state 
  5. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.

    Verify that no DTCs are set.

    • If any of the DTCs are set 

      Refer to: Circuit/System Testing

    • Go to next step: If none of the DTCs are set 
  6. All OK.