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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 133 (Immobilizer System) >> Diagnostic Information and Procedures >> DTC B3902: Environment Identification >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2016 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.

The control module's environment identifier does not match the environment identifier stored by the BCM.

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