Acura MDX 2014–2019 — technical service bulletin
Bulletin ONL6L806042025 Form · NHTSA communication 11019900 · issued Jun 5, 2025
Technical service bulletin
communication type
Exterior Lighting
component
2014–2019
model years
9
vehicle entries
Official summary
Owner Notification Letter - An uneven sealing surface allows moisture to enter the inner taillight(s), causing one or both of the inner taillights not to work.
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.