There are 3 owner-reported lighting complaints for the 2016 Fiat 500Xin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The contact owns a 2016 Fiat 500X. The contact stated while the vehicle was parked, the contact noticed that the rear taillights failed to function as intended. The vehicle was taken to an independent mechanic, where it was diagnosed that the motherboard had failed, and the connecting wires had melted. The contact was informed that the motherboard and connecting wires needed to be replaced. The vehicle was not repaired. An unknown dealer was notified of the failure. The manufacturer was not made aware of the failure. The failure mileage was approximately 68,308.
THE LEFT REAR BRAKE LIGHT KEEPS GOING OUT EVEN AFTER REPAIR BY THE DEALERSHIP
EXTERIOR LIGHTS LIKE THE PARKING AND DRIVING LIGHTS BLOW OUT EVERY FEW MONTHS.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026