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Home >> Cadillac >> 2017 >> CT6 Plug-In >> Repair and Diagnosis >> Body & Frame >> Ignition Switch/Steering Lock >> Immobilizer System >> Diagnostic Information and Procedures >> DTC B3976: Unconfigured Transponder >> Circuit/System Verification
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Circuit/System Verification

  1. Verify the engine starts with each available transmitter.
    • If the engine does not start with a transmitter 

      Replace the transmitter.

    • If the engine starts with all transmitters 
  2. All OK.
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