TSB 21N02 — Ford Service bulletin
21N02 is a service bulletin on file with NHTSA for 2 Ford models, 2013–2014 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. This program extends the coverage of the front nitrogen oxides (NOx) sensor for twelve months of service, beginning on the date the powertrain control module (PCM) is reprogrammed under emissions recall 21E01. This program oly applies if a front NOx sensor fault is detected and…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years 21N02 names
| Vehicle | Model years |
|---|---|
| Ford F-250 | 2013, 2014 |
| Ford F-350 | 2013, 2014 |
Every document filed under 21N02
| Document ID | Filed | Type |
|---|---|---|
| 21N02 | August 31, 2021 | Service bulletin |
What 21N02 covers
Engine — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB 21N02?
21N02 is a service bulletin filed with NHTSA by Ford, covering 2 Ford models across the 2013–2014 model years. NHTSA's summary reads: This program extends the coverage of the front nitrogen oxides (NOx) sensor for twelve months of service, beginning on the date the powertrain control module (PCM) is reprogrammed under emissions recall 21E01. This program oly applies if a front NOx sensor fault is detected and…
Which vehicles does 21N02 cover?
NHTSA's file names Ford F-250 (2013–2014); Ford F-350 (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 21N02 a recall, and is the repair free?
No. 21N02 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 21N02?
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 21N02, 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 21N02. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.