LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2018 >> CT6 Plug-In >> Repair and Diagnosis >> Body & Frame >> Ignition Switch/Steering Lock >> Immobilizer System >> Diagnostic Information and Procedures >> DTC B3976 >> Circuit/System Verification
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Circuit/System Verification

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

      Replace the transmitter.

    • Go to next step: If the engine starts with all transmitters 
  2. All OK.
scientia non olet · About LEMON Manuals