Symptom List
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
- SECURITY INDICATOR ALWAYS ON OR FLASHING
- SECURITY INDICATOR INOPERATIVE
- CONTENT THEFT DETERRENT (CTD) ALARM MODE INOPERATIVE
- CONTENT THEFT DETERRENT (CTD) DOES NOT DISARM WITH KEY LOCK
- HORN INOPERATIVE IN CONTENT THEFT DETERRENT (CTD) ALARM MODE
- LIGHTS INOPERATIVE IN CONTENT THEFT DETERRENT (CTD) ALARM MODE
- The engine Cranks and will not Start, No Security light on. Refer to DTC B2958