TSB A23-073 — Honda Service bulletin
A23-073 is a service bulletin on file with NHTSA for the Honda Pilot, 2016–2018 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Service Bulletin - The vehicle's transmission temperature can become too hot due to automatic transmission fluid deterioration causing high foaming and low viscosity. During extended high load driving, the automatic transmission fluid will foam and cooler flow rate is reduced.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years A23-073 names
| Vehicle | Model years |
|---|---|
| Honda Pilot | 2016, 2017, 2018 |
Every document filed under A23-073
| Document ID | Filed | Type |
|---|---|---|
| A23-073 | September 7, 2023 | Service bulletin |
What A23-073 covers
Transmission & drivetrain — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB A23-073?
A23-073 is a service bulletin filed with NHTSA by Honda, covering the Honda Pilot across the 2016–2018 model years. NHTSA's summary reads: Service Bulletin - The vehicle's transmission temperature can become too hot due to automatic transmission fluid deterioration causing high foaming and low viscosity. During extended high load driving, the automatic transmission fluid will foam and cooler flow rate is reduced.
Which vehicles does A23-073 cover?
NHTSA's file names Honda Pilot (2016–2018). 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 A23-073 a recall, and is the repair free?
No. A23-073 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 A23-073?
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 A23-073, 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 A23-073. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.