Acura MDX 2016–2020 — technical service bulletin
Bulletin ONL6AX01302026 · NHTSA communication 11028523 · issued Jan 31, 2026
Technical service bulletin
communication type
Fuel/propulsion System
component
2016–2020
model years
5
vehicle entries
Official summary
Owner Notification Letter - Under certain circumstances, after coming to a stop and the idle stop feature engaging, the vehicle may not automatically restart. Acura is providing a product update with a new PGM-FI software update to fix this issue.
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.