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Service bulletins for the 2016 Fiat 500

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

178 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Software are shown. Show all

Bulletins, newest first
08122152022-07-05. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:SOFTWARE. This bulletin involves performing a wiTECH Misc-Function routine, for proper operation of
08-114-15 REV A2019-05-20. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. Radio Software Enhancements This bulletin involves updating the radio's software. CAUTION: Confirm the correct radio flash file to the applicable model and family vehicle before flashing. A customer may experience one or more of the following: ? Radio display screen intermittently may go blank. ? Radio display screen may lock up. ? Back up display may not turn off. ? Loss of radio memory for skipped channels or incorrectly displaying skipped channels in the menu list. ? Charging schedule showing in the setting menu (FF BEV only). ? Korean language was not supported (APAC - Korea only). Enhancement: ? Removing the charging schedule from showing in the setting menu (FF BEV only). ? Adding Korean language support (APAC - Korea only).
08-114-152019-05-20. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. Radio Software Enhancements This bulletin involves updating the radio's software. CAUTION: Confirm the correct radio flash file to the applicable model and family vehicle before flashing. A customer may experience one or more of the following: ? Radio display screen intermittently may go blank. ? Radio display screen may lock up. ? Back up display may not turn off. ? Loss of radio memory for skipped channels or incorrectly displaying skipped channels in the menu list. ? Charging schedule showing in the setting menu (FF BEV only). ? Korean language was not supported (APAC - Korea only). Enhancement: ? Removing the charging schedule from showing in the setting menu (FF BEV only). ? Adding Korean language support (APAC - Korea only).
21-038-15 REV-A2018-12-17. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE. Flash: Drivetrain Control Module (DTCM) C2020-01 ECU Internal Fault setting in the DTCM This bulletin involves reprogramming the Drivetrain Control Module (DTCM) with the latest available software. Some vehicles may experience the All Wheel Drive Light (AWD) illuminating due to DTC C2020-01 ECU Internal Fault setting erroneously in the DTCM.
08-086-15 REV-A2018-11-19. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:SOFTWARE. RA2 Radio Software Enhancement This bulletin involves updating the radio software. The customer may notice a false message displayed in the Cluster; Parking Sensors Unavailable and/or Sound System Unavailable.
08-048-162016-07-14. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. SUBJECT: FLASH: Electric Vehicle Control Unit (EVCU) System Enhancements OVERVIEW: This bulletin involves updating the software in the EVCU. SYMPTOM/CONDITION: A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, the technician may find the following Diagnostic Trouble Code (DTC) set in the EVCU memory: • P1A21-00 - HV Battery Contactor Control Sequence Incorrect. In addition the customer may notice one of the following conditions: • When an Electric Vehicle Supply Equipment (EVSE) is plugged in approximately 17 seconds after key off, the vehicle will not charge and will not power down. This could lead to potential 12V battery drain after prolonged period of time. • When the battery temperature is below -30°C (-22°F) and above 50°C (122°F), the thermal system does not function. • When a Level 1 EVSE is plugged in, the displayed charge time estimation for Level 2 is over estimated. The following improvements/enhancements are also included in this software release: • Improved shift strategy involving shift lever position.
21-024-15 REV D2016-06-22. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
21-024-15 REV C2016-06-22. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
21-013-16 REV A2016-06-22. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
18-013-162016-06-22. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
18-013-16 REV A2016-06-22. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
08-126-152016-06-22. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
08-013-162016-06-22. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB21-048-15REVA2015-12-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:DRIVELINE. 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.
SB-18-030-15REVA2015-10-13. Service bulletin. ENGINE; ELECTRICAL SYSTEM:SOFTWARE. FIAT: MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATES DUE TO POSSIBLE RPM COLD ENGINE SURGE WHILE ENGAGED IN GEAR, ROUGH IDLE COLD START, 02 SENSOR 1/1 SLOW RESPONSE AND WOULD NEED LATEST SOFTWARE PROGRAMMED TO ENGINE CONTROL MODULE (ECM). MODEL 2016 500X. *PE UPDATED 11/30/15 *CN
SB21-024-15REVA2015-10-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM:SOFTWARE. FIAT: MALFUNCTION INDICATOR LAMP (MIL) IS ILLUMINATED AND PROCEDURE PROVIDED ON TRANSMISSION CONTROL MODULE REPROGRAMMING WITH LATEST SOFTWARE *CN UPDATED 12/3/15 *CN

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.