Possible Causes
WARNING: This page is about a different car, the 2024 Jeep Grand Wagoneer L and 2024 Jeep Grand Wagoneer. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| FRP SENSOR SIGNAL CIRCUIT SHORTED TO GROUND |
| FRP SENSOR SIGNAL CIRCUIT SHORTED TO ANOTHER CIRCUIT |
| FRP SENSOR RETURN CIRCUIT OPEN/HIGH RESISTANCE |
| FUEL RAIL PRESSURE (FRP) SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .