September 30: LEMON manuals is back up on a temporary server! Slowness is possible
Alarm Will Not Arm
- Turn ignition off. Connect scan tool to Data Link Connector (DLC). Turn ignition on. Using scan tool, read THEFT ALARM status. If scan tool displays ENABLED, go to next step. If scan tool does not display ENABLED, enable Vehicle Theft Security System (VTSS).
- Using scan tool, retrieve Body Control Module (BCM) DTCs. If any DTCs exist, perform appropriate test. See DIAGNOSTIC TROUBLE CODE IDENTIFICATION
table under SELF-DIAGNOSTIC SYSTEM. If no DTCs exist, replace BCM.