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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 54 (Theft Deterrent System) >> Description and Operation >> Theft Systems Description and Operation >> Content Theft Deterrent Circuit Description >> Door Ajar Switches

Door Ajar Switches

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The content theft deterrent system uses the door ajar switches as a status indicator to activate the alarm. The door ajar switches are monitored by the body control module via a discrete input from each door ajar switch. If the BCM receives a signal indicating a door is opened when the content theft deterrent system is armed, the BCM activates the alarm.