Help. Heater/AC functions not working

[91lowrydr]

I upgraded to the 8.4 w/navigation on my 2017 express. Radio works great with no issues. However my dash vents will not work on recirculate mode, the dash vents will not work on dash/floor mode. The floor vents will work on defrost mode however. The defrost vents will only work from the designated defrost button. Is there a solution? I used the P68268186AA module with the single climate control module as well.

 

[91lowrydr]

1UJ97DX9AJ Is my bezel and 68270661AE is the radio number

 

[bop39160]

Same issue. Following. Please let us know if you find a fix.

 

[Mpgrimm2]

There are a bunch of cheap Chinese knock off 8.4 conversion harnesses flooding various sites (eBay/Amazon/Temu) that aren't made correctly and cause this and other issues. I'm out of town for work until end of next week, but if you want a harness set without issues, send me a message and we can get things started for when I get back (still depends on having compatible parts for the rest of your upgrade)


Mike G.
M2 Mods