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Home >> Chevrolet >> 2017 >> Traverse LS Base >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Theft Deterrent System >> Diagnostic Information and Procedures >> Security Indicator Malfunction >> Circuit/System Description

Circuit/System Description

The security indicator acts as a status indicator for the content theft deterrent (CTD) system when the ignition is OFF and as a fault indicator for the immobilizer system when the ignition is ON. When either the body control module (BCM) or theft deterrent module (TDM) requires the security indicator to be illuminated, a serial data message is sent to the instrument panel cluster (IPC), which will illuminate the indicator.

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