Possible Causes
| Possible Causes |
|---|
| (T77) SHIFT PRESSURE SOLENOID CONTROL CIRCUIT OPEN |
| (T77) SHIFT PRESSURE SOLENOID CONTROL CIRCUIT SHORT TO GROUND |
| (T77) SHIFT PRESSURE SOLENOID CONTROL CIRCUIT SHORT TO ANOTHER CIRCUIT |
| SHIFT PRESSURE SOLENOID |
| TRANSMISSION CONTROL MODULE |
Always perform the NAG1 Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .