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