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Home >> Cadillac >> 2016 >> XTS Base >> Repair and Diagnosis >> Body & Frame >> Ignition Switch/Steering Lock >> Immobilizer System >> Diagnostic Information and Procedures >> DTC B3984: Device 1 Environment Identifier Not Programmable >> Repair Instructions
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Repair Instructions

Perform the Diagnostic Repair Verification after completing the repair.

Control Module References for instrument cluster, electronic brake control module, HVAC control module, inflatable restraint sensing and diagnostic module, engine control module, and steering column lock module replacement, programming, and setup.