Fiat 500 2015–2022 — technical service bulletin
Bulletin 1000123 · NHTSA communication 10243275 · issued Aug 25, 2023
Technical service bulletin
communication type
Electrical System
component
2015–2022
model years
16
vehicle entries
Official summary
Air Bag Warning lamp Illumination 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) has been set: ? /B0050-1D - Driver Front Buckle Switch - Out of Range (Active or Stored). ? B0050-13 - Driver Front Buckle Switch - Circuit open (Active or Stored). This bulletin involves replacing the inline seat connector.
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.