A Symptoms - Theft Deterrent

IMPORTANT: The following steps must be completed before using the symptom tables.

1. Perform A Diagnostic System Check - Theft Deterrent before using the Symptom Tables in order to verify that all of the following are true:
^ There are no DTCs set.
^ The control module(s) can communicate via the serial data link.
2. Review the system operation in order to familiarize yourself with the system functions. Refer to:
^ Content Theft Deterrent (CTD) Operation
^ Vehicle Theft Deterrent (VTD) Operation

Visual/Physical Inspection
^ Inspect for aftermarket devices which could affect the operation of the Theft Deterrent System. Refer to Checking Aftermarket Accessories in Wiring Systems.
^ Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.

Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent and Poor Connections in Wiring Systems.

Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
^ Content Theft Deterrent (CTD) Alarm Mode Inoperative
^ Content Theft Deterrent (CTD) Does Not Disarm with Key Lock