No it's not a RAM thing.
My Ford built-in works way better than my previous Prodigy.
The reason is that it has access to the truck's computer bus (OBDII ?) so it knows the speed, whether ABS is activated and so on.
AFAIK the only after-market controller that uses the truck's computer bus is the DirectLink, and it apparently works just as well as the OEM and is similarly expensive.
With Ford, people say to buy the OEM controller at a discount on the internet, install it yourself, then get the Dealer to flash the computer so it is recognized. Sometimes they do it for free, if you're lucky.
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2014 Timber Ridge 240RKS, 70K miles
690W Rooftop + 340W Portable Solar, 215Ah GC2s@24V
2016 Ram 2500 CTD 4x4 RegCab SLT, 10-11 mpgUS tow
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