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Home › Buick › 2013 › Encore Base, FWD › Repair and Diagnosis › External Pages › Different car › Section 32 (Immobilizer System) › Diagnostic Information and Procedures › DTC B3984: Device 1 Environment Identifier Not Programmable › Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2016 Chevrolet Trax and 2016 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
  1. Perform the Programming and Setup procedure for the control module that set DTC B3984.
  2. Verify DTC B3984 does not set after programming.
    • If the DTC sets after programming 

      Replace the control module that set the DTC.

    • If the DTC does not set after programming 
  3. All OK.
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