AC cold on driver side- hot on passenger side

2003 Tahoe,
When ac is on it blows cold air on driver's side and HOT air on passenger side
Both are set to same temp
What part might need replaced?

2003 Tahoe,
When ac is on it blows cold air on driver's side and HOT air on passenger side
Both are set to same temp
What part might need replaced?

It is a matter of what to check first before replacing parts.:sarcasmsign:
The ac 134-a charge is first.
Low charge will do that.
If the proper charge is in it than a Havc scanner is next to check mode door control and operation.
Got any HAVC codes?
If so post them back for help.