FIAT
18-029-20 REV. A
Manufacturer communications
- Publication date
- 2020-05-19
- Received by NHTSA
- 2020-06-22
- NHTSA record numbers
- 10176582
Manufacturer summary
Original wording in English
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).
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Fiat
U0100Lost Communication With ECM/PCMCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Fiat | 500X | 2019 |