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Gate Ajar Operation

The body control module (BCM) receives a discrete input from the liftgate ajar switch to indicate the status of the liftgate. The BCM then communicates this status to the instrument panel cluster (IPC) via GMLAN serial data. The IPC, upon receipt of this message, will illuminate the gate ajar message in the driver information center (DIC) and also send a GMLAN serial data message to the radio to activate the gate ajar audible warning when the following conditions are met:

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