TSB 23N04 — Ford Service bulletin
23N04 is a service bulletin on file with NHTSA for the Ford Transit, 2015–2019 model years, filed and re-filed as 2 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Certain 2015-2019 Model Year Transit Vehicles Equipped With 3.2L Diesel Engine Exhaust Gas Temperature (EGT) Sensor Replacement. In affected vehicles, the Malfunction Indicator Light (MIL) may illuminate with DTC P04)B, P041C, and/or P041D and the vehicle may have 30% reduction…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years 23N04 names
Every document filed under 23N04
Manufacturers re-issue a bulletin as the repair changes, and file separate copies for technicians and for owners. All of them carry the same number.
| Document ID | Filed | Type |
|---|---|---|
| 23N04 | June 3, 2024 | Service bulletin |
| 23N04 | February 8, 2024 | Service bulletin |
What 23N04 covers
Engine — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB 23N04?
23N04 is a service bulletin filed with NHTSA by Ford, covering the Ford Transit across the 2015–2019 model years. NHTSA's summary reads: Certain 2015-2019 Model Year Transit Vehicles Equipped With 3.2L Diesel Engine Exhaust Gas Temperature (EGT) Sensor Replacement. In affected vehicles, the Malfunction Indicator Light (MIL) may illuminate with DTC P04)B, P041C, and/or P041D and the vehicle may have 30% reduction…
Which vehicles does 23N04 cover?
NHTSA's file names Ford Transit (2015–2019). 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 23N04 a recall, and is the repair free?
No. 23N04 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 23N04?
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 23N04, 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 23N04. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.