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Symptoms - Automatic Transmission Shift Lock Control

Symptoms - Automatic Transmission Shift Lock Control


Important

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



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

• There are no DTCs set.

• The control modules can communicate via the serial data link.

2. Review the system operation in order to familiarize yourself with the system functions. Refer to Automatic Transmission Shift Lock Control Description and Operation .


Visual/Physical Inspection


• Inspect for aftermarket devices which could affect the operation of the automatic transmission shift lock control. Refer to 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 or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections

Symptom List

Refer to a symptom diagnostic procedure in order to diagnose the symptom:

Transmission Control Lever Malfunction