TSB TSB-20-2278 — Ford Service bulletin
TSB-20-2278 is a service bulletin on file with NHTSA for the Ford F-150, 2013–2014 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Some 2013-2018 F-150 vehicles equipped with Electronic Shift On-The-Fly (ESOF) 4-wheel drive (4WD) may exhibit an intermittent grinding noise while driving in 2-wheel drive (2WD) mode most commonly on acceleration. This may be due to a loss of vacuum to the integrated wheel end…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years TSB-20-2278 names
| Vehicle | Model years |
|---|---|
| Ford F-150 | 2013, 2014 |
Every document filed under TSB-20-2278
| Document ID | Filed | Type |
|---|---|---|
| TSB 20-2278 | October 16, 2020 | Service bulletin |
What TSB-20-2278 covers
Transmission & drivetrain, Electrical — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB TSB-20-2278?
TSB-20-2278 is a service bulletin filed with NHTSA by Ford, covering the Ford F-150 across the 2013–2014 model years. NHTSA's summary reads: Some 2013-2018 F-150 vehicles equipped with Electronic Shift On-The-Fly (ESOF) 4-wheel drive (4WD) may exhibit an intermittent grinding noise while driving in 2-wheel drive (2WD) mode most commonly on acceleration. This may be due to a loss of vacuum to the integrated wheel end…
Which vehicles does TSB-20-2278 cover?
NHTSA's file names Ford F-150 (2013–2014). 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 TSB-20-2278 a recall, and is the repair free?
No. TSB-20-2278 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 TSB-20-2278?
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 TSB-20-2278, 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 TSB-20-2278. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.