Antitheft and Alarm Systems: Service and Repair

Service procedures for the various components used in the Vehicle Theft Security System (VTSS) can be found as follows:
- Auto headlamp light sensor/VTSS Light Emitting Diode (LED) - Refer to Auto Headlamp Sensor in the Removal and Installation for the service procedures.
- Body Control Module (BCM) - Refer to Body Control Module in the Removal and Installation.
- Combination flasher - Refer to Combination Flasher in the Removal and Installation.
- Door ajar switch
- Driver cylinder lock switch
- Horn relay - Refer to Horn Relay in the Removal and Installation.
- Liftgate ajar switch
- Liftgate flip-up glass ajar switch
- Low beam headlamp relay - Refer to Low Beam Headlamp Relay in the Removal and Installation.