I have problems with ac dosent work in the back the control is good and I check on 2004 Chevrolet Tahoe

all the fuses and is ok went I push the button in back control say off somebody help me

1 answer 2 comments
Is the master control in the front properly set? Do you have the owners manual?
yes but in front is okthe upper control don t send signal to the back module
Recheck fuses!