Important: Review the system operation in order to familiarize yourself with the system functions. Refer to Automatic Transmission Shift Lock Control Description and Operation.
| • | Inspect for aftermarket devices which may effect the operation of the automatic transmission shift lock control system, Refer to Checking Aftermarket Accessories. |
| • | Inspect the easily accessible to visible system components for obvious damage or conditions which may cause the symptom. |
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections.
Refer to a diagnostic procedure from the following list in order to diagnose the symptom:
Important: Review the system operation in order to familiarize yourself with the system functions. Refer to Automatic Transmission Shift Lock Control Description and Operation.
| • | Inspect for aftermarket devices which could effect the operation of the automatic transmission shift lock control system, Refer to Checking Aftermarket Accessories. |
| • | Inspect the easily accessible to visible system components for obvious damage or conditions which could cause the symptom. |
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections.
Refer to a diagnostic procedure from the following list in order to diagnose the symptom:
Important: Review the system operation in order to familiarize yourself with the system functions. Refer to Automatic Transmission Shift Lock Control Description and Operation in Automatic Transmission - 6L80.
| • | Inspect for aftermarket devices which could effect the operation of the automatic transmission shift lock control system, Refer to Checking Aftermarket Accessories in Wiring Systems. |
| • | Inspect the easily accessible to visible system components for obvious damage or conditions which could cause the symptom. |
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
Refer to a diagnostic procedure from the following list in order to diagnose the symptom:
| • | Shift Lever Does Not Move with Brake Pedal Depressed in Automatic Transmission - 6L80 |
| • | Shift Lever Can Be Moved without Brake Pedal Depressed in Automatic Transmission - 6L80 |