Possible Causes
WARNING: This page is about a different car, the 2012 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.
| POSSIBLE CAUSES |
|---|
| (F856) 5-VOLT SUPPLY CIRCUIT OPEN |
| (F856) 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND |
| (N7) FTP SIGNAL CIRCUIT SHORTED TO GROUND |
| (N7) FTP SIGNAL CIRCUIT SHORTED TO THE (K917) SENSOR GROUND CIRCUIT |
| EXCESSIVE RESISTANCE IN THE (N7) FTP SIGNAL CIRCUIT |
| FUEL TANK PRESSURE SENSOR (FTP) |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .