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Home >> GMC >> 2022 >> Hummer EV >> Repair and Diagnosis >> Electrical >> Body Electrical >> Plug-In Charging System >> Diagnostic Information and Procedures >> DTC P3289-P328B >> Circuit/System Verification

Circuit/System Verification

  1. Vehicle On
  2. Verify DTC P3289, P328A, P328B 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 
  3. All OK.
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