Acura MDX 2015–2017 — technical service bulletin
Bulletin B19-003 · NHTSA communication 10165014 · issued Sep 12, 2019
Technical service bulletin
communication type
Engine and Engine Cooling
component
2015–2017
model years
5
vehicle entries
Official summary
Service Bulletin - During a downshift from 9th or 8th gear to 7th gear or lower, a miscalculation in the TCM software causes the MIL to come on with DTC P0716 (input shaft [mainshaft] speed sensor [range/performance]).
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.