Possible Causes
| Possible Causes |
|---|
| (T72) SENSOR SUPPLY CIRCUIT OPEN |
| (T13) SPEED SENSOR GROUND CIRCUIT OPEN |
| (T13) SPEED SENSOR GROUND CIRCUIT SHORTED TO ANOTHER CIRCUIT |
| (T13) SPEED SENSOR GROUND CIRCUIT SHORTED TO GROUND |
| (T70) INPUT SPEED 1 (N2) SIGNAL CIRCUIT OPEN |
| (T70) INPUT SPEED 1 (N2) SIGNAL CIRCUIT SHORTED TO ANOTHER CIRCUIT |
| (T70) INPUT SPEED SENSOR 1 (N2) SIGNAL CIRCUIT SHORTED TO GROUND |
| INPUT SPEED SENSOR 1 (N2) |
| TRANSMISSION CONTROL MODULE (TCM) |
Always perform the NAG1 Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .