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B223B on the 2016 Fiat 500

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.

Bulletins for this model year that name B223B
08-059-15 REV-B2018-11-19. Service bulletin. RA4 Radio Enhancements This bulletin involves upgrading the software on the RA4 Radio. The customer may experience one or more of the following: ? Travel Link soft key missing (U.S. only). ? Weather map now available for SXM (U.S. only). ? Cannot select different map displays. ? Point Of Interest (POI) cannot be added as waypoints. ? Conference calls may not display all active callers. ? Improve iPod response time, to start playing audio. ? Browsing knob inoperative after exiting Short Message Service (SMS). ? ?Where Am I? feature inoperative while driving. ? When using iPod touch, the incorrect song name may be displayed. ? May not display Auto Park Brake menu, if equipped. ? Cannot create a new SMS, using phone numbers. ? Display the correct message, when in service mode. ? Poor or no audio from the radio, also radio controls may not respond. On further inspection the technician my find DTC B223B-00 Vehicle Configuration Mismatch. ? False error message while in service brake mode. ? Personal setting lost after key cycle, dynamic guidelines and Show Time bar. IMPROVEMENTS ? Display Travel Link soft key on more of the display screens (U.S. only). ? Display the correct media screen when using iPod touch. ? Improve screen layouts during media playback. ? Improved SMS screen displays. ? Correctly display speed lockout messages. ? Color improvements on navigation map. ? Improved chime warning volumes. ? Browsing improvements for Bluetooth audio. ? Improved conference call handling. ? Improved Voice Recognition (VR) commands for AM radio request.

1 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.