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Home >> GMC >> 2022 >> Hummer EV >> Repair and Diagnosis >> Electrical >> Charging Systems >> Plug-In Charging System >> Diagnostic Information and Procedures >> DTC P0CF9 >> Circuit/System Verification

Circuit/System Verification

  1. Vehicle On
  2. Verify DTC P0CF5, P0CF6 is not set.
    • Go to next step: If the DTC is not set 
  3. Verify that DTC P0CF9 is the only DTCs set.
    • If the DTC is set 

      Replace the component: K16A Battery Energy Control Module 1

    • Go to next step: If the DTC is not set 
  4. Verify that no other DTC (s) are set.
    • Go to next step: If no DTC is set 
  5. All OK.