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Home >> GMC >> 2022 >> Hummer EV >> Repair and Diagnosis >> Electrical >> Charging Systems >> Plug-In Charging System >> Diagnostic Information and Procedures >> DTC P328C-P328F >> Circuit/System Verification
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Circuit/System Verification

  1. Vehicle On
  2. Verify DTC U019B, U049C is not set.
    • Go to next step: If none of the DTCs are set 
  3. Verify DTC P328C, P328D, P328E, P328F is not set.
    • If any of the DTCs are set 

      Replace the component: T18 Battery Charger

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