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 |
|---|
| BRAKE SIGNAL 2 CIRCUIT SHORTED TO VOLTAGE |
| BRAKE LAMP SWITCH OUTPUT CIRCUIT SHORTED TO GROUND |
| STOP LAMP SWITCH |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .