TSB SSM-55028 — Ford and Lincoln Service bulletin

SSM-55028 is a service bulletin on file with NHTSA for 6 Ford and Lincoln models, 2021–2024 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. Some 2021-2024 Ford and Lincoln vehicles may exhibit an "Updating SYNC" message on the vehicle center display screen after an over the air (OTA) update. The message can be cleared from the center display screen and SYNC can be used normally, but it will re-appear at every…

NHTSA's own summary of the document, quoted from the public manufacturer-communications file.

1Document filed
6Vehicles named
4Model years

Vehicles and model years SSM-55028 names

VehicleModel years
Ford Bronco 2021, 2022, 2023, 2024
Ford Edge 2021, 2022, 2023, 2024
Ford Expedition 2021, 2022, 2023, 2024
Ford F-150 2021, 2022, 2023, 2024
Ford Mustang Mach-E 2021, 2022, 2023, 2024
Lincoln Navigator 2021, 2022, 2023, 2024

Every document filed under SSM-55028

Document IDFiledType
SSM 55028 July 21, 2026 Service bulletin

What SSM-55028 covers

Electrical — the component vocabulary NHTSA files this communication under.

← All Ford Bronco TSB years TSB lookup by model

Questions buyers ask

What is TSB SSM-55028?

SSM-55028 is a service bulletin filed with NHTSA by Ford and Lincoln, covering 6 Ford and Lincoln models across the 2021–2024 model years. NHTSA's summary reads: Some 2021-2024 Ford and Lincoln vehicles may exhibit an "Updating SYNC" message on the vehicle center display screen after an over the air (OTA) update. The message can be cleared from the center display screen and SYNC can be used normally, but it will re-appear at every…

Which vehicles does SSM-55028 cover?

NHTSA's file names Ford Bronco (2021–2024); Ford Edge (2021–2024); Ford Expedition (2021–2024); Ford F-150 (2021–2024); Ford Mustang Mach-E (2021–2024); Lincoln Navigator (2021–2024). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.

Is TSB SSM-55028 a recall, and is the repair free?

No. SSM-55028 is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.

How do I get the full text of SSM-55028?

Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under SSM-55028, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under SSM-55028. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.