TSB 26B12 — Ford Manufacturer communication

26B12 is a manufacturer communication on file with NHTSA for 2 Ford models, 2026 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. Certain 2026 Model Year Aviator, Explorer and Bronco Vehicles with 10R60 Transmissions: Transmission and Fluid Cooler Replacement

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

1Document filed
2Vehicles named
1Model year

Vehicles and model years 26B12 names

VehicleModel years
Ford Bronco 2026
Ford Explorer 2026

Every document filed under 26B12

Document IDFiledType
26B12 May 28, 2026 Manufacturer communication

What 26B12 covers

Transmission & drivetrain — the component vocabulary NHTSA files this communication under.

← All Ford Bronco TSB years TSB lookup by model

Questions buyers ask

What is TSB 26B12?

26B12 is a manufacturer communication filed with NHTSA by Ford, covering 2 Ford models across the 2026 model years. NHTSA's summary reads: Certain 2026 Model Year Aviator, Explorer and Bronco Vehicles with 10R60 Transmissions: Transmission and Fluid Cooler Replacement

Which vehicles does 26B12 cover?

NHTSA's file names Ford Bronco (2026); Ford Explorer (2026). 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 26B12 a recall, and is the repair free?

No. 26B12 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 26B12?

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 26B12, 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 26B12. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.