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Home › Chevrolet › 2021 › Bolt EV Premier › Repair and Diagnosis › Body & Frame › Ignition Switch/Steering Lock › Immobilizer System › Diagnostic Information and Procedures › DTC B3902 › Circuit/System Verification

Circuit/System Verification

  1. Perform all necessary programming and setup procedures for the control module: - Control module that has set the DTC
  2. Perform the following procedure/test: Immobilizer System Component Programming 
  3. Verify DTC B3902 is not set.
    • If DTC B3902 is set 

      Replace the component: Control module that has set the DTC

    • Go to next step: If no DTC is set 
  4. All OK.
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