Shift Lock Control System: Diagnosis Hummer H2 I

Diagnostic Starting Point - Automatic Transmission Shift Lock Control

Begin the system diagnosis by reviewing the Automatic Transmission Shift Lock Control Description and Operation . Reviewing the description and operation information will help you determine the correct symptom diagnostic procedure when a malfunction exists. Reviewing the description and operation information will also help you determine if the condition described by the customer is normal operation.

Refer to Symptoms - Automatic Transmission Shift Lock Control in order to identify the correct procedure for diagnosing the system and where the procedure is located.

Symptoms - Automatic Transmission Shift Lock Control

Visual/Physical Inspection

1. Inspect for aftermarket devices which could affect the operation of the automatic transmission shift lock control system. Refer to «Checking Aftermarket Accessories»(ref-187209-S27288891182005083100000) in Wiring Systems.
2. Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.

Symptom List

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

1. «Shift Lever Does Not Move with Brake Pedal Depressed»(ref-187269-S36893466022005083100000)
2. «Shift Lever Can Be Moved without Brake Pedal Depressed»(ref-187269-S12727356522005083100000)