Symptoms - Shift Lock Control

Symptoms - Automatic Transmission Shift Lock Control

Important: Review the system operation in order to familiarize yourself with the system functions. Refer to Automatic Transmission Shift Lock Control Description and Operation (with Allison Transmission) Automatic Transmission Shift Lock Control Description and Operation (without Allison Transmission).

Visual/Physical Inspection
^ Inspect for aftermarket devices which could affect the operation of the automatic transmission shift lock control system.
^ 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. Component Tests and General Diagnostics

Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
^ Shift Lever Does Not Move with Brake Pedal Depressed Shift Lever Does Not Move With Brake Pedal Depressed
^ Shift Lever Can Be Moved without Brake Pedal Depressed (w/o Allison Transmission) Shift Lever CAN Be Moved Without Brake Pedal Depressed (W/O Allison Transmission)
^ Shift Lever Can Be Moved without Brake Pedal Depressed (with Allison Transmission) Shift Lever CAN Be Moved Without Brake Pedal Depressed (With Allison Transmission)