Acura MDX 2018–2019 — technical service bulletin
Bulletin B20-041 · NHTSA communication 10182471 · issued Nov 3, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2018–2019
model years
2
vehicle entries
Official summary
Service Bulletin - A chirping in the cabin with the engine running, the transmission in Drive, and the engine at operating temperature.
Vehicles covered
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.