Acura MDX 2016–2020 — technical service bulletin
Bulletin B23-009 · NHTSA communication 10232965 · issued Mar 1, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2016–2020
model years
5
vehicle entries
Official summary
Service Bulletin - The engine will not crank on the initial startup attempt after the vehicle has been exposed to precipitation and then freezing temperatures.
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.