03 silverado goes to defrost

Discussion in 'Audio, Video & Gadget Tech' started by danduf98, Aug 7, 2008.

  1. danduf98

    danduf98 New Member

    i have a problem eith a 03 silverado that when started it goes thru self test of the vent/ defrost system and goes right to defrost mode after going thru all modes.
    I am looking for a copy of TSB 040138008 and cant find it on the web any one have copy??
    What could be causing this problem, all i did is replace the truck battery.
    I have reset the system by oulling the fuse and disconnectiong the battery with out any luck........Thanks

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