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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 247 (Theft Deterrent System) >> Diagnostic Information and Procedures >> DTC B291B: Content Theft Deterrent Assembly >> 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. Vehicle OFF, close and lock the doors using the keyless entry transmitter.
  2. Arm the theft system and wait 5 min.
  3. Disarm the system.
  4. Attempt to clear the DTC.
    • If the DTC will not clear or transition to a history DTC 

      Perform Circuit/System Testing.

    • If the DTC clears or transitions to a history DTC 
  5. All OK.
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