TSB 24B66 — Ford and Lincoln Service campaign

24B66 is a service campaign on file with NHTSA for 2 Ford and Lincoln models, 2024 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. In some of the affected vehicles, it is possible the required software required for the Pro Trailer Backup Assist (PTBA) feature was not installed in the vehicle during assembly. A customer with a vehicle that did not receive the required software will be unable to complete the…

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

1Document filed
2Vehicles named
1Model year

Worth checking your VIN against. 24B66 is filed as a service campaign, which unlike an ordinary bulletin can mean free or reimbursed work when a vehicle qualifies. Ask a dealer using the document ID below, and check open recalls separately at nhtsa.gov/recalls.

Vehicles and model years 24B66 names

VehicleModel years
Ford Expedition 2024
Lincoln Navigator 2024

Every document filed under 24B66

Document IDFiledType
24B66 October 24, 2024 Service campaign
← All Ford Expedition TSB years TSB lookup by model

Questions buyers ask

What is TSB 24B66?

24B66 is a service campaign filed with NHTSA by Ford and Lincoln, covering 2 Ford and Lincoln models across the 2024 model years. NHTSA's summary reads: In some of the affected vehicles, it is possible the required software required for the Pro Trailer Backup Assist (PTBA) feature was not installed in the vehicle during assembly. A customer with a vehicle that did not receive the required software will be unable to complete the…

Which vehicles does 24B66 cover?

NHTSA's file names Ford Expedition (2024); Lincoln Navigator (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 24B66 a recall, and is the repair free?

24B66 is filed as a service campaign, not a recall — but this is the kind of communication that can mean free or reimbursed work if your VIN qualifies. Take the number to a dealer and ask. Recalls are separate and always free; check yours by VIN at nhtsa.gov/recalls.

How do I get the full text of 24B66?

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 24B66, 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 24B66. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.