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 |
|---|
| 5-VOLT SUPPLY CIRCUIT OPEN/HIGH RESISTANCE |
| 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND |
| EXHAUST PRESSURE SIGNAL CIRCUIT OPEN/HIGH RESISTANCE |
| EXHAUST PRESSURE SIGNAL CIRCUIT SHORTED TO GROUND |
| EXHAUST PRESSURE SIGNAL CIRCUIT SHORTED TO THE SENSOR GROUND CIRCUIT |
| EXHAUST MANIFOLD PRESSURE (EMP) SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE - 6.7L .