Hi all, I have replaced my 2005 A3 Spback with the Kufatec LED tail light. I have recode it, the light works fine. Problem is my air con fan stopped blowing... no air coming out and the control is fine. I have a dual zone climate control air con. anyone had this before? the codes changed are: Btye 9 to Dec = 0 - as the final brake light Byte 10 to Dec = 0 - Fog lamps as a taillight Byte 12 to Dec = 36 - dimming rear standlight Byte 19 Bit 2 Cold Diagnosis rear active - this must be activated Please help.. i am new here.. its winter now in Aus..without heater is not very comfortable in the morning. Thanks!