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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 262 (Immobilizer System) >> Diagnostic Information and Procedures >> DTC B3976: Unconfigured Transponder >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
  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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