Correct that up to 2015 it was 2,000 pounds.
But OP has a 2016, and the 2016, 2017 and 2018 JK owner's manuals all state 3500 pounds for 2 doors with 3.73+ gears. It was not a 3 year misprint.
Here's a LINK to the relevant pages taken from the owner's manual, or download the manuals direct from...