Fiat 500 2015–2016 — technical service bulletin
Bulletin SB21-048-15REVA · NHTSA communication 10058849 · issued Oct 8, 2015
Technical service bulletin
communication type
Electrical System
component
2015–2016
model years
2
vehicle entries
Official summary
2015 jeep renegade; 2016 fiat 500x: all wheel drive light illuminating due to dtc may be experienced by some customers. Procedure on reprogramming the drivetrain control module with latest software *cn updated 9/3/15.
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.