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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 247 (Theft Deterrent System) >> Diagnostic Information and Procedures >> DTC B291A: Content Theft Deterrent Assembly >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.

The body control module performs various internal fault detection test to determine if a software or hardware concern exists within the power sounder. No external circuits are involved.

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