Fiat TSB #18-029-20

2019 Fiat 500X

TSB Document:

Affected Component: EXTERIOR LIGHTING

Summary
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following DiagnosticTrouble Code (DTC) has been set:U0100 - Lost Communication With ECM/PCM. In addition, the customer may also experience the following:The vehicle will not crank if the ECM gets hotter than 50 °C (122 °F).

Click a tab for more information.

Date Published
MAR 27, 2020
NHTSA TSB #
10175584
Find something helpful? Spread the word.

Become a Fan & Spread the Word