TSB SYNC-2.1.6.1 — Ford Software update

SYNC-2.1.6.1 is a software update on file with NHTSA for 5 Ford models, 2023–2024 model years, filed and re-filed as 4 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. Quality improvements: -Addresses Accessory protocol Interface Module reboot at start up -Customer will be able to use the passcode option to deinhibit the vehicles remotely.

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

4Documents filed
5Vehicles named
2Model years

Worth checking your VIN against. SYNC-2.1.6.1 is filed as a software update, 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 SYNC-2.1.6.1 names

VehicleModel years
Ford Bronco 2023
Ford Escape 2023, 2024
Ford F-150 2023
Ford F-250 2023, 2024
Ford F-350 2023, 2024

Every document filed under SYNC-2.1.6.1

Manufacturers re-issue a bulletin as the repair changes, and file separate copies for technicians and for owners. All of them carry the same number.

Document IDFiledType
OTA SYNC 2.1.6.1 Bronco November 23, 2024 Software update
24-OTA SYNC 2.1.6.1 F-150 November 8, 2024 Software update
OTA SYNC 2.1.6.1 Super Du November 8, 2024 Software update
24-OTA SYNC 2.1.6.1 Escap October 18, 2024 Software update
← All Ford Bronco TSB years TSB lookup by model

Questions buyers ask

What is TSB SYNC-2.1.6.1?

SYNC-2.1.6.1 is a software update filed with NHTSA by Ford, covering 5 Ford models across the 2023–2024 model years. NHTSA's summary reads: Quality improvements: -Addresses Accessory protocol Interface Module reboot at start up -Customer will be able to use the passcode option to deinhibit the vehicles remotely.

Which vehicles does SYNC-2.1.6.1 cover?

NHTSA's file names Ford Bronco (2023); Ford Escape (2023–2024); Ford F-150 (2023); Ford F-250 (2023–2024); Ford F-350 (2023–2024). 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 SYNC-2.1.6.1 a recall, and is the repair free?

SYNC-2.1.6.1 is filed as a software update, 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 SYNC-2.1.6.1?

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 SYNC-2.1.6.1, 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 SYNC-2.1.6.1. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.