Symptoms. Chevrolet PJJ 2000

For 1990-2009 cars

Important:

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 the following:

• | Theft Deterrent Description

• | Theft Deterrent 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.

• | Inspect the ignition switch for obvious damage.

### 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 procedure from the following list in order to diagnose a symptom that does not set a DTC:

• | Security Indicator Always On or Flashing

• | Security Indicator Inoperative