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Home >> Saturn >> 2007 >> Sky Base, Automatic >> Repair and Diagnosis >> Body & Frame >> Ignition Switch/Steering Lock >> Immobilizer System >> Diagnostic Information and Procedures >> DTC B3935 >> Circuit/System Verification
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Circuit/System Verification

  1. Verify that DTC B3055 or DTC B3060 is not set as a current DTC.
  2. Replace the suspected inoperative or malfunctioning key. DTC B3935 should not reset and the vehicle should start.
    • If the replacement key results in the resetting of DTC B3935, replace the TDM.
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