A/C Fan Speed Acting up.. Please Help!
I went to drive my car this morning and put the ac on cause it's about 90 deg out today. I started getting cold air from the drivers side and warmer air from the passenger side. So I looked up on this great forum and I read to pull out fuse 27 and wait 60 seconds and put it back in. I did that and also I was reading about bad grounds so I started out with the drivers side one in the engine bay right in between the drivers headlight and washer fluid, the one with the harness clip. I pulled it apart and a couple of the prongs were corroded. I just clipped all the wires and soldered them all together and put them in a ring terminal. I started up my car and went for a ride, put the ac on and it was now blowing cold air on both sides, but now I cant seem to control the fan setting. When I put it on high it stays low and I have to keep playing with it to go high. Then when it goes high, then I cant get it to go low, it just stays at the high setting. On the display, the bars go up and down, but the fan does not correspond to the bars. I'm also getting the codes hvac B0365H, B0367H, B0441H. I don't think the ground rewiring had anything to do with the fan speed, but maybe it did. Also I don't know if pulling out fuse 27 had anything to do with the fan speed. One more thing that I should mention, with the engine off and the ignition on, I can hear the servos for the ac always moving , but they are not grinding. Any help would be appreciated. Thank you.
Rob
Put as much info about your car and issue as you can YEAR, Auto/Standard, Dual A/C or Manual...
Your codes are all H codes which means they are history codes... you can clear them drive the car then BEFORE you KILL the car pull the codes again and see if there are any C or Current codes... others will be along to offer you more help

My uneducated guess is that your fan switch is bad... we'll see
I don't think your blowing warm air out one side is related to the fan issue either...that will probably be an actuator issue
Last edited by 73Corvette; Jun 27, 2016 at 09:46 PM.
Put as much info about your car and issue as you can YEAR, Auto/Standard, Dual A/C or Manual...
Your codes are all H codes which means they are history codes... you can clear them drive the car then BEFORE you KILL the car pull the codes again and see if there are any C or Current codes... others will be along to offer you more help

My uneducated guess is that your fan switch is bad... we'll see
I don't think your blowing warm air out one side is related to the fan issue either...that will probably be an actuator issue




