Just a PSA - the issue with using a reader not on the approved list - it may work for some items but not for others - only the specified readers work 100%. So by using a non-standard/non-approved reader, you can wind up chasing your tail tracking down issues that aren't working which might be due to the reader itself.
Best bet is just to buy the correct reader. It's a bargain really compared to paying the dealer for ONE change, so it literally pays for itself right away.
Plus when you post for help you wont have 5 guys asking did you try using an MX
.