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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By component
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Only bulletins with component: Transfer case are shown. Show all
| 21-048-15 REV-A | 2018-12-17. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); POWER TRAIN. 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. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.