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Discussion Starter #1
For what is worth went to my dealer with transmission issues for the 3rd time for my 2017 MDX. They updated the ZF9 software (03214) and injection software (PGMFI). This has greatly helped the rough shifting. Was not aware of the upgrades but you might ask your dealer about them. Still not perfect but a lot better.
 

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How many times has this transmission been updated via software? Sounds like almost every year since 2014? Has anyone compared the 2014 original vs the latest 2017/8?
 

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Discussion Starter #3
This was the second time for the transmission update, but the first for the injector. The injector update seemed to make the difference as the dealer said sometimes it will.
 
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