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Home >> Chevrolet >> 2020 >> Bolt EV LT >> Repair and Diagnosis >> Body & Frame >> Ignition Switch/Steering Lock >> Immobilizer System >> Diagnostic Information and Procedures >> DTC B3935 >> Circuit/System Verification

Circuit/System Verification

  1. Ignition - On / Vehicle - In Service Mode
  2. Verify DTC B3935 is not set.
    • If DTC B3935 is set 

      Learn Key(s)

    • Go to next step: If no DTC is set 
  3. Start and idle the engine.
  4. Verify DTC B3935 is not set.
    • If DTC B3935 is set 

      Replace the component: Key Fob

    • Go to next step: If no DTC is set 
  5. Start and idle the engine.
  6. Verify DTC B3935 is not set.
    • If DTC B3935 is set 

      Replace the component: K9 Body Control Module

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