TSB SSM-54447 — Ford and Lincoln Service bulletin
SSM-54447 is a service bulletin on file with NHTSA for 2 Ford and Lincoln models, 2022–2023 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Some 2022-2024 Expedition/Navigator vehicles equipped with minor feature codes DBCBB or DBCBC may exhibit various driver assistance feature warning messages displayed in the instrument panel cluster (IPC). Additionally, some modules may store diagnostic trouble codes (DTCs)…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years SSM-54447 names
| Vehicle | Model years |
|---|---|
| Ford Expedition | 2022, 2023 |
| Lincoln Navigator | 2022, 2023 |
Every document filed under SSM-54447
| Document ID | Filed | Type |
|---|---|---|
| SSM 54447 | December 16, 2025 | Service bulletin |
What SSM-54447 covers
Electrical, Driver assistance — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB SSM-54447?
SSM-54447 is a service bulletin filed with NHTSA by Ford and Lincoln, covering 2 Ford and Lincoln models across the 2022–2023 model years. NHTSA's summary reads: Some 2022-2024 Expedition/Navigator vehicles equipped with minor feature codes DBCBB or DBCBC may exhibit various driver assistance feature warning messages displayed in the instrument panel cluster (IPC). Additionally, some modules may store diagnostic trouble codes (DTCs)…
Which vehicles does SSM-54447 cover?
NHTSA's file names Ford Expedition (2022–2023); Lincoln Navigator (2022–2023). 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-54447 a recall, and is the repair free?
No. SSM-54447 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-54447?
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-54447, 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-54447. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.