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Home › Chevrolet › 2020 › Bolt EV Premier › Repair and Diagnosis › Body & Frame › Ignition Switch/Steering Lock › Immobilizer System › Diagnostic Information and Procedures › DTC B302A › Circuit/System Testing

Circuit/System Testing

  1. Ignition - On / Vehicle - In Service Mode
  2. Operate the component: OnStar
    • If the component does not activate/If a related DTC is set 
    1. Repair as necessary
    • Go to next step: If the component activates/If a related DTC is not set 
  3. Operate the component: OnStar
  4. OnStar = OK
    • OnStar OK 
    1. Contact the customer and advise them that for security purposes, they must contact OnStar and the law enforcement agency to update the vehicle account. Disconnect the electrical connector:
      • Go to next step: OnStar = OK 
  5. All OK.
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