friends 03 blowes hot heat good on defrost out of all vents . u put it on the dash vents or the floor it blows hot on passenger side but cold on driver side ??????????????/ anyone have this problem. it is a 1500 2wd extended cab ....

 

i do but when on a/c pass side is hot ,d/s is cold,i guess we are the only 2 with this problem

 

The cause may be a blend or mode door breakage which is located in the HVAC box. Look up or search heater treater for further information regarding this issue.

 

This is usually the result of a low freon condition.