TSB SSM-54555 — Ford and Lincoln Service bulletin
SSM-54555 is a service bulletin on file with NHTSA for 2 Ford and Lincoln models, 2020–2024 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Some 2020-2022-Corsair, 2021-2023 Nautilus, 2020-2024 Navigator/Aviator, and 2021-2024 Mustang Mach-E vehicles equipped with phone-as-a-key may exhibit various phone-as-a-key concerns with diagnostic trouble codes (DTC) U200D:15, U200E:15, U200F:15, B1589:31/49 through…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years SSM-54555 names
| Vehicle | Model years |
|---|---|
| Ford Mustang Mach-E | 2021, 2022, 2023, 2024 |
| Lincoln Navigator | 2020, 2021, 2022, 2023, 2024 |
Every document filed under SSM-54555
| Document ID | Filed | Type |
|---|---|---|
| SSM 54555 | February 6, 2026 | Service bulletin |
What SSM-54555 covers
Electrical, Body & structure — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB SSM-54555?
SSM-54555 is a service bulletin filed with NHTSA by Ford and Lincoln, covering 2 Ford and Lincoln models across the 2020–2024 model years. NHTSA's summary reads: Some 2020-2022-Corsair, 2021-2023 Nautilus, 2020-2024 Navigator/Aviator, and 2021-2024 Mustang Mach-E vehicles equipped with phone-as-a-key may exhibit various phone-as-a-key concerns with diagnostic trouble codes (DTC) U200D:15, U200E:15, U200F:15, B1589:31/49 through…
Which vehicles does SSM-54555 cover?
NHTSA's file names Ford Mustang Mach-E (2021–2024); Lincoln Navigator (2020–2024). 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-54555 a recall, and is the repair free?
No. SSM-54555 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-54555?
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-54555, its date, and NHTSA's own summary from the public file.
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-54555. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.