Acura MDX 2019–2023 — technical service bulletin
Bulletin B23-013 · NHTSA communication 10239510 · issued Jul 17, 2023
Technical service bulletin
communication type
Structure
component
2019–2023
model years
7
vehicle entries
Official summary
Service Bulletin - The client notices loss of auto function, or no function, of the sunroof glass/sunshade due to a Motor-Control Unit error code in the clock frequency check falsely detecting a failure.
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.