Possible Causes
WARNING: This page is about a different car, the 2015 RAM 3500 HD and 2015 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| KNOCK SENSOR NO. 1 SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| KNOCK SENSOR NO. 1 SIGNAL CIRCUIT OPEN |
| KNOCK SENSOR NO. 1 RETURN CIRCUIT OPEN |
| KNOCK SENSOR NO. 1 SIGNAL CIRCUIT SHORTED TO THE KNOCK SENSOR NO. 1 RETURN CIRCUIT |
| KNOCK SENSOR NO. 1 SIGNAL CIRCUIT SHORTED TO GROUND |
| KNOCK SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .