Possible Causes
WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| 5-VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE |
| FRP SENSOR SIGNAL 1 CIRCUIT SHORTED TO VOLTAGE |
| FRP SENSOR SIGNAL 2 CIRCUIT SHORTED TO VOLTAGE |
| FRP SENSOR SIGNAL 1 CIRCUIT OPEN/HIGH RESISTANCE |
| FRP SENSOR SIGNAL 2 CIRCUIT OPEN/HIGH RESISTANCE |
| FRP SENSOR SIGNAL 1 CIRCUIT SHORTED TO THE 5-VOLT SUPPLY CIRCUIT |
| FRP SENSOR SIGNAL 2 CIRCUIT SHORTED TO THE 5-VOLT SUPPLY CIRCUIT |
| SENSOR RETURN OPEN/HIGH RESISTANCE |
| FUEL RAIL PRESSURE SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .