Possible Causes
WARNING: This page is about a different car, the 2014 Fiat 500c and 2014 Fiat 500. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| EXCESSIVE RESISTANCE OR AN INTERMITTENT SHORT OR OPEN ON THE IAT SIGNAL CIRCUIT |
| EXCESSIVE RESISTANCE OR AN INTERMITTENT SHORT OR OPEN ON THE SENSOR GROUND CIRCUIT |
| MAP/IAT SENSOR WIRING AND CONNECTOR |
| MAP/IAT SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .