TSB ECM-25.10.21.2 — Ford Software update
ECM-25.10.21.2 is a software update on file with NHTSA for 2 Ford models, 2025 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Quality improvements include: -Updates the emissions control system, improving performance in order to ensure meeting regulatory requirements
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Worth checking your VIN against. ECM-25.10.21.2 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 ECM-25.10.21.2 names
| Vehicle | Model years |
|---|---|
| Ford F-250 | 2025 |
| Ford F-350 | 2025 |
Every document filed under ECM-25.10.21.2
| Document ID | Filed | Type |
|---|---|---|
| ECM-25.10.21.2 SuperDuty | February 6, 2026 | Software update |
What ECM-25.10.21.2 covers
Electrical, Engine — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB ECM-25.10.21.2?
ECM-25.10.21.2 is a software update filed with NHTSA by Ford, covering 2 Ford models across the 2025 model years. NHTSA's summary reads: Quality improvements include: -Updates the emissions control system, improving performance in order to ensure meeting regulatory requirements
Which vehicles does ECM-25.10.21.2 cover?
NHTSA's file names Ford F-250 (2025); Ford F-350 (2025). 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 ECM-25.10.21.2 a recall, and is the repair free?
ECM-25.10.21.2 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 ECM-25.10.21.2?
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 ECM-25.10.21.2, 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 ECM-25.10.21.2. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.