Honda Pilot 2016–2020 — technical service bulletin
Bulletin A23-073 · NHTSA communication 10242219 · issued Sep 7, 2023
Technical service bulletin
communication type
Power Train
component
2016–2020
model years
5
vehicle entries
Official summary
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.
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.