have a 2003 deville..ONly issue was A/C would not flow thru dash on every try.it would work every now and then..found that it was the actuator on drivers side..bought and replaced xactly as i removed it..NOW air flow is completely OFF! most flow is thru the defrost,very low at dash and bottom..after calling a few places i was told i had to calibrate the whole A/C system..i know i bought the rite part,got the original at the Chevy dealer..i have NO idea how to calibrate the A/C system!! cant find any post online for a 2003 deville with this issue..Any and ALL advice is greatly appreciated,Thanks -

 

just disconnect the battery voltage wait 2 min
reconnect

clear all codes
should be good after that

 

just tried it,disconected the power on main battery under back seat,waited for about three minutes..and same results..Been askin around,been told it needs calibrating,will that fix it or r they just trying to get more $ out of me??other mechanic said that on the ac panel on dash u push three at the same time and that resets it...whAT DO U GUYS THINK??? tHANKS.

 

Service Information

1. Turn OFF the ignition.
2. Remove the battery positive voltage circuit fuse of the Instrument Panel Control Module. Important
   
   The module memory will not clear if the battery positive voltage circuit fuse is installed in less than 60 seconds.
   
   
3. Wait 60 seconds.
4. Install the fuse.

 

Where is the INstrument Panel Control MOdule located??? thanks for all the help!

 

the dash is the ipc module (gauges) the fuse is under the hood label should be IP 10a fuse

 

Thanks for all the help!