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 |
|---|
| FUSE F73 (20A) OPEN |
| FUEL PUMP 2 CONTROL CIRCUIT SHORTED TO VOLTAGE |
| FUEL PUMP 2 ON/OFF CONTROL CIRCUIT SHORTED TO GROUND |
| FUEL PUMP 2 ON/OFF CONTROL CIRCUIT OPEN/HIGH RESISTANCE |
| AUXILIARY FUEL PUMP SUPPLY CIRCUIT OPEN/HIGH RESISTANCE |
| GELLED FUEL |
| FUEL TRANSFER LINE TUBE |
| AUXILIARY FUEL TANK |
| AUXILIARY FUEL PUMP CONTROL MODULE |
| POWERTRAIN CONTROL MODULE (PCM) |
| POWER DISTRIBUTION CENTER (PDC) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .