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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.

By type

By component

By trouble code

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
21-038-15 REV. A2022-07-25. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):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.
21-048-15 REV. A2022-07-25. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE. Flash: Drivetrain Control Module 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.
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
08-177-212021-12-13. Service bulletin. HYBRID PROPULSION SYSTEM; ELECTRICAL SYSTEM. BEV/Hybrid - Showroom and Display Vehicle Battery Maintenance This information only bulletin discusses procedures that must be followed for BEV/Hybrid vehicles that are on display at dealership showrooms.
S20080001182020-09-28. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM. HVAC Control Panel Illumination Inoperative
08-049-202020-05-26. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Charging System, Battery Diagnostic Tools and Warranty This information only bulletin discusses using the correct test equipment for testing batteries and charging systems, and also warranty reimbursement when battery replacements are necessary.
S20080000132020-04-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Key Programming, Security Pin Request, Pin Invalid
08-122-152019-05-20. Service bulletin. ELECTRICAL SYSTEM; TIRES; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. Tire Pressure Monitor C1012-88 C1015-88 This bulletin involves performing a wiTECH Misc-Function routine, for proper operation of the Tire Pressure Monitor (TPM) feature. The customer may notice that the TPM lamp is illuminated. On further inspection the technician may find Diagnostic Trouble Codes (DTCs) C1012-88 TPM Sensor Location Undetermined - BUS off, and/or C1015-88 Front/Rear Tire Pressure Sensor Location Undetermined.
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).
24-007-152019-05-20. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM. Air Conditioning Inoperative This bulletin involves replacing the Manual Climate Control Module. A small number of customers may experience the loss of air conditioning operation (AC will not turn on).
21-055-152018-12-17. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Flash: Vehicle Will Not Shift Out Of Park This bulletin involves reprogramming the Electronic Shift Module (ESM) with the latest available software. Some Customers may experience a condition where the vehicle will not shift out of park while the engine running at idle and brake pedal applied. Cycling the ignition key off and restarting the engine will allow shift. Technicians may find DTC P0606-00 Control Module Processor. Flashing the ESM with the latest software will correct this concern.
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.
18-030-152018-12-10. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; ENGINE. Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Engine Control Module (ECM) with the latest available software. A small number of 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). ? P0171 - Fuel System 1/1 Lean ? P050D - Cold Start Rough Idle
21-024-152018-12-10. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Flash: Transmission Shift And Drivability Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. A small number of customers may experience one or more of the following transmission related conditions. ? Less than desired accelerator pedal response in Sport and TractionPlus modes. ? RPM flare at engine start. ? Less than desired idle performance when shifting into DRIVE or REVERSE following a cold start.
18-030-15 REVA2018-12-03. Service bulletin. ELECTRICAL SYSTEM. Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Engine Control Module (ECM) with the latest available software. A small number of 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). ? U0402 - implausible data received from TCM ? P0133 - O2 sensor 1/1 slow response ? P0171 - Fuel System 1/1 Lean ? P050D - Cold Start Rough Idle In addition, customers may experience one or more of the following concerns: ? RPM flare at cold start. ? Less than desired idle performance. ? Cold engine RPM surge with gear engagement.
08-023-15 REVA2018-11-26. Service bulletin. ELECTRICAL SYSTEM. Stored Diagnostic Trouble Codes (DTCs) Found During New Vehicle Preparation
08-092-152018-11-19. Service bulletin. POWER TRAIN; STEERING; ELECTRICAL SYSTEM. Electronic Power Steering System (EPS) Instrument Cluster Lamp ON This bulletin involves reprogramming the Electric Power Steering (EPS) module with the latest available software to correct an erroneous EPS lamp illumination. The customer may describe the Power Steering System Warning lamp is illuminated on the instrument cluster. Upon further inspection, the technician may find the following Diagnostic Trouble Code (DTC): C1214-87 Conf Data Code Request Message - Missing Message error set in the EPS control unit.
21-024-15 REV-B2018-11-19. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; POWER TRAIN. Flash: Transmission Shift And Drivability Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. A small number of 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): ? P0711 - Transmission Fluid Temperature Sensor A Circuit Range-Performance. ? P1CC9 - Unable to Engage Gear. ? P1D98 - Incorrect Gear Ratio Clutch B or D Defective. ? P1DAD - Input Shaft-Output Shaft Direction Correlation. ? U1424 - Implausible Engine Torque Signal Received. In addition, the customer may also experience one or more of the following transmission related conditions: ? Garage Shifts (Shifting from Park or Neutral into Drive or Reverse.) ? Harsh 1-2 upshifts. ? Less than desired accelerator pedal response in Sport and TractionPlus modes. ? RPM flare at engine start. ? Less than desired idle performance when shifting into DRIVE or REVERSE following a cold start.
18-030-15 REV-B2018-11-19. Service bulletin. ELECTRICAL SYSTEM; ENGINE; FUEL SYSTEM, OTHER. Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Engine Control Module (ECM) with the latest available software. A small number of 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). ? U0402 - Implausible Data Received From TCM. ? P0133 - O2 Sensor 1/1 Slow Response. ? P0171 - Fuel System 1/1 Lean. ? P050D - Cold Start Rough Idle. In addition, customers may experience one or more of the following concerns: ? Clatter or ticking noise from the engine at idle. ? RPM flare at cold start. ? Less than desired idle performance. ? Cold engine RPM surge with gear engagement.
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.
08-085-152018-11-19. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Flash: Instrument Panel Cluster (IPC) Enhancement This bulletin involves reprogramming the Instrument Panel Cluster (IPC) with the latest available software. The customers may notice that the IPC brightness level may not adjust correctly to correspond with the outside light levels. Also an enhancement was made to properly calculate and display when the next service maintenance is needed.
08-059-15 REV-B2018-11-19. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. 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.
Z5091195A$2018-06-11. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT:ELECTRICAL. RES / RHA / REB radio that supports Bluetooth and Hands-Free For issues with Bluetooth, Hands-Free Calling, and/or Voice Commands, DO NOT replace the radio. Diagnose the Hands-Free Module system (also called the Telematics Module). The Telematics Module (and associated components) is the system responsible for these features. A power cycle may be required for the hands-free module for proper diagnosis.~ Please reference; 8T - Navigation/Telecommunication Diagnosis and Testing (DIAGNOSIS AND TESTING - HANDS FREE PHONE)
08-048-162018-06-11. Service bulletin. ELECTRICAL SYSTEM. FLASH: Electric Vehicle Control Unit (EVCU) System Enhancements This bulletin involves updating the software in the EVCU. 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.

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