TSB 23E01 — Ford Emissions communication
23E01 is an emissions communication on file with NHTSA for 3 Ford models, 2021–2022 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Emission Recall 23E01 - Supplement #1 2021 Model Year F-150, 2022 Model Year Super Duty and 2023 Model Year F-650 / F-750 Truck Vehicles Equipped with Diesel Engines Powertrain Control Module Reprogramming
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years 23E01 names
| Vehicle | Model years |
|---|---|
| Ford F-150 | 2021 |
| Ford F-250 | 2022 |
| Ford F-350 | 2022 |
Every document filed under 23E01
| Document ID | Filed | Type |
|---|---|---|
| 23E01 S1 | April 26, 2026 | Emissions communication |
What 23E01 covers
Transmission & drivetrain — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB 23E01?
23E01 is an emissions communication filed with NHTSA by Ford, covering 3 Ford models across the 2021–2022 model years. NHTSA's summary reads: Emission Recall 23E01 - Supplement #1 2021 Model Year F-150, 2022 Model Year Super Duty and 2023 Model Year F-650 / F-750 Truck Vehicles Equipped with Diesel Engines Powertrain Control Module Reprogramming
Which vehicles does 23E01 cover?
NHTSA's file names Ford F-150 (2021); Ford F-250 (2022); Ford F-350 (2022). 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 23E01 a recall, and is the repair free?
No. 23E01 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 23E01?
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 23E01, 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 23E01. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.