Possible Causes
WARNING: This page is about a different car, the 2019 RAM 3500 HD and 2019 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| INPUT SPEED SENSOR SIGNAL CIRCUIT OPEN |
| SPEED SENSOR GROUND CIRCUIT OPEN |
| INPUT SPEED SENSOR SIGNAL CIRCUIT SHORTED TO GROUND |
| SPEED SENSOR GROUND CIRCUIT SHORTED TO GROUND |
| INPUT SPEED SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| SPEED SENSOR GROUND CIRCUIT SHORTED TO VOLTAGE |
| INPUT SPEED SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .