Possible Causes
WARNING: This page is about a different car, the 2015 Fiat 500. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| 5-VOLT SUPPLY CIRCUIT OPEN |
| 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND |
| APP SENSOR 1 SIGNAL CIRCUIT OPEN/HIGH RESISTANCE |
| APP SENSOR 1 SIGNAL CIRCUIT SHORTED TO GROUND |
| APP SENSOR 1 SIGNAL CIRCUIT SHORTED TO THE APP SENSOR 1 RETURN CIRCUIT |
| APP SENSOR 1 SIGNAL CIRCUIT SHORTED TO THE APP SENSOR 2 RETURN CIRCUIT |
| APP SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .