TSB TCU-26.2.11.3 — Ford and Lincoln Software update

TCU-26.2.11.3 is a software update on file with NHTSA for 5 Ford and Lincoln models, 2021–2024 model years, filed and re-filed as 5 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. Quality improvements include: - Telematics Control Unit update to enhance connected features

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

5Documents filed
5Vehicles named
4Model years

Worth checking your VIN against. TCU-26.2.11.3 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 TCU-26.2.11.3 names

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

Every document filed under TCU-26.2.11.3

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
TCU-26.2.11.3 Bronco June 15, 2026 Software update
TCU-26.2.11.3 F-150 May 19, 2026 Software update
TCU-26.2.11.3 MachE May 19, 2026 Software update
TCU-26.2.11.3 Navigator May 19, 2026 Software update
TCU-26.2.11.3 Expedition May 18, 2026 Software update

What TCU-26.2.11.3 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 TCU-26.2.11.3?

TCU-26.2.11.3 is a software update filed with NHTSA by Ford and Lincoln, covering 5 Ford and Lincoln models across the 2021–2024 model years. NHTSA's summary reads: Quality improvements include: - Telematics Control Unit update to enhance connected features

Which vehicles does TCU-26.2.11.3 cover?

NHTSA's file names Ford Bronco (2021–2024); Ford Expedition (2022–2024); Ford F-150 (2021–2022); Ford Mustang Mach-E (2021–2022); Lincoln Navigator (2022–2024). 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 TCU-26.2.11.3 a recall, and is the repair free?

TCU-26.2.11.3 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 TCU-26.2.11.3?

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 TCU-26.2.11.3, 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 TCU-26.2.11.3. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.