Fiat 500 2015–2018 — technical service bulletin
Bulletin 0802721 · NHTSA communication 10220625 · issued Feb 27, 2021
Technical service bulletin
communication type
Power Train
component
2015–2018
model years
8
vehicle entries
Official summary
Flash: Drivetrain Control Module (DTCM) Diagnostic and System Improvements This bulletin involves reprogramming the DTCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs):C2502-64 - Signal Plausibility Failure. C2210-92 - ETM Hall Sensor Performance Or Incorrect Operation. C2220-54 - ETM Calibration Error Missing Calibration. C2020-01 - ECU Internal Fault - General Electrical Failure. This software update also includes the f
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.