Important: The following steps must be completed before using the symptom tables.
• | There are no DTCs set. |
• | The control modules can communicate via the serial data link. |
• | Inspect for aftermarket devices which could affect the operation of the Theft Deterrent System. Refer to Checking Aftermarket Accessories . |
• | Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom. |
• | Ensure that the ignition key is a PASS-Key III key. PASS-Key III keys are identified by 'PK3' stamped into the steel shank of the key. |
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections .
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom: