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Home >> Chevrolet >> 2012 >> Volt >> Repair and Diagnosis >> Body & Frame >> Ignition Switch/Steering Lock >> Immobilizer System >> Diagnostic Information and Procedures >> DTC B3935 >> Circuit/System Verification

Circuit/System Verification

  1. Replace the suspected inoperative or malfunctioning key.
  2. Verify DTC B3935 is not set as current.
    • If the DTC is set as current 

      Replace the K9 BCM.

    • If the DTC is set as history 
  3. All OK.
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