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Home >> GMC >> 2019 >> Terrain SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 37 (Immobilizer System) >> Diagnostic Information And Procedures >> DTC B3984: Device 1 Environment Identifier Not Programmable >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2018 GMC Terrain and 2018 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.

An incorrect environment identifier is programmed or no environment identifier is programmed.

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