Symptoms - Theft Deterrent

Symptoms - Theft Deterrent

1. Perform Diagnostic System Check - Vehicle Diagnostic System Check - Vehicle before using the symptom diagnostics in order to verify that all of the following are true:

* There are no DTCs set
* The control modules can communicate via serial data

2. Review the system operation in order to familiarize yourself with the system functions. Refer to Theft Systems Description and Operation Theft Systems.

Visual/Physical Inspection

* Inspect for aftermarket devices which could affect the operation of the Theft Deterrent system. Refer to Checking Aftermarket Accessories Checking Aftermarket Accessories.
* Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.

Intermittent

Faulty electrical connections, wiring, terminals, connectors, poor voltage and ground connections, temperature sensitivity, electromagnetic interference, electrical noise and/or incorrect control module installed may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections Testing for Intermittent Conditions and Poor Connections.

Symptom List

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:

DTC U0002 U0002