Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from Acura for this TSB. Call your local Acura dealer's service department & ask for a copy of TSB# SB-14-037 00285.
BACKGROUND
In a continuing effort to provide the highest level of client satisfaction, Acura has released a software update for the audio, navigation, and hands-free phone systems. This software update provides functional and graphical improvements to make the systems more user friendly in the 2015 MDX and TLX.
For your reference, a list of changes is included at the end of this bulletin.