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Service bulletins for the 2018 Fiat 500X

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.

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

By type

By component

By trouble code

Bulletins, newest first
18-089-192019-12-16. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE. wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK
90032202019-10-28. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. RADIO [RES] - New and/or Service Exchange For RES radio concerns. Use the wiTECH 2.0 and inspect the radio part number and serial number under the Radio/ECU Details tab. Please verify that the radio part number and/or serial number is not "FFFF". If either field shows "FFFF", please contact Mike Wielgat at 248-576-6696 or Rohan Negandhi at 248-421-9608 If no response in 15 minutes, proceed with repair.
21-022-192019-07-15. Service bulletin. POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience the following:Malfunction Indicator Lamp (MIL) illumination, Electronic Vehicle Information Center (EVIC) message states ?Service Transmission? and transmission intermittently goes into neutral with PRNDL flashing when vehicle is stopped. The vehicle may or may not resume normal transmission operation after cycling the shifter or ignition.
18-042-192019-07-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Flash: Powertrain Control Module (PCM) Update This bulletin involves reprogramming the PCM with the latest software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set:P0456 - EVAP System Small Leak. P0340 - Camshaft Position Sensor Circuit - Bank 1 Sensor 1. P0016 - Crankshaft/Camshaft Timing Misalignment - Bank 1 Sensor 1. P0606 - Control Module Processor.
D-15-132018-12-10. Service bulletin. LANE DEPARTURE: SENSING SYSTEM: RADAR. Claim Reimbursement Guidelines - Radar Sensor Alignment Tool

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