FixVault
Home
›
Cadillac
›
2017
›
CT6 Plug-In
›
Repair and Diagnosis
›
Body & Frame
›
Ignition Switch/Steering Lock
›
Immobilizer System
›
Diagnostic Information and Procedures
›
DTC B3984: Device 1 Environment Identifier Not Programmable
›
Conditions for Setting the DTC
Conditions for Setting the DTC
An incorrect environment identifier is programmed or no environment identifier is programmed.