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  1. #1
    Senior Member Two Rings rjpiselli's Avatar
    Join Date
    Feb 25 2015
    AZ Member #
    317180
    Location
    Pa

    key fob not working after battery disconnect

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    I just finished servicing my b6 s4 and had the battery disconnected during the project. after completing the project, my key fobs do not work. They will manually lock/unlock the doors, and start the vehicle, but neither will work as a remote to lock/unlock the doors. both worked fine before the project. i changed the batteries and still nothing. Any ideas??
    Current Audis: [B9 Q5 2.0T] - [B8.5 A4 2.0T]
    ------------------------------------
    Previous Audis: [B8.5 Q5 2.0T] - [B8.5 Allroad 2.0T] - [Q3 2.0T] - [B6 S4 4.2] - [B5 A4 Avant 2.8] - [C6 Allroad 2.7T] - [C7 A6 3.2] - [B5 A4 1.8T] - [C6 A6 2.8] - [B5 A4 2.8] - [C2 200]

  2. #2
    Active Member Two Rings
    Join Date
    Mar 01 2015
    AZ Member #
    317882
    Location
    Norwalk ct

    Quote Originally Posted by rjpiselli View Post
    I just finished servicing my b6 s4 and had the battery disconnected during the project. after completing the project, my key fobs do not work. They will manually lock/unlock the doors, and start the vehicle, but neither will work as a remote to lock/unlock the doors. both worked fine before the project. i changed the batteries and still nothing. Any ideas??
    Just need to be reprogrammed.. if you have your manual its a fairly simple procedure..
    If not I could look in mine and let you know.. or maybe someone knows off the top of their head how to do it.. I did it once before
    "They say follow your dreams.....So I went back to bed."

  3. #3
    Active Member Two Rings
    Join Date
    Mar 01 2015
    AZ Member #
    317882
    Location
    Norwalk ct

    Quote Originally Posted by rjpiselli View Post
    I just finished servicing my b6 s4 and had the battery disconnected during the project. after completing the project, my key fobs do not work. They will manually lock/unlock the doors, and start the vehicle, but neither will work as a remote to lock/unlock the doors. both worked fine before the project. i changed the batteries and still nothing. Any ideas??
    Actually here you go... A little search on the internet... Most issues like these have been experienced before.. so if you search real quick you will be able to resolve without waiting on a reply..

    LINK>>> http://www.audizine.com/forum/showth...i-flip-key-fob
    "They say follow your dreams.....So I went back to bed."

  4. #4
    Senior Member Two Rings rjpiselli's Avatar
    Join Date
    Feb 25 2015
    AZ Member #
    317180
    Location
    Pa

    Quote Originally Posted by Aundrealti View Post
    Actually here you go... A little search on the internet... Most issues like these have been experienced before.. so if you search real quick you will be able to resolve without waiting on a reply..

    LINK>>> http://www.audizine.com/forum/showth...i-flip-key-fob
    Thanks!! hanging my head low for not searching for myself.
    Current Audis: [B9 Q5 2.0T] - [B8.5 A4 2.0T]
    ------------------------------------
    Previous Audis: [B8.5 Q5 2.0T] - [B8.5 Allroad 2.0T] - [Q3 2.0T] - [B6 S4 4.2] - [B5 A4 Avant 2.8] - [C6 Allroad 2.7T] - [C7 A6 3.2] - [B5 A4 1.8T] - [C6 A6 2.8] - [B5 A4 2.8] - [C2 200]

  5. #5
    Senior Member Two Rings rjpiselli's Avatar
    Join Date
    Feb 25 2015
    AZ Member #
    317180
    Location
    Pa

    FWIW the above method worked like a charm. less than 10 seconds later my key fob works again. Thanks Aundrealti for the quick and accurate reply!

    side note, ended up navigating to the tech section to find that this procedure was the VERY FIRST THREAD:O
    #facepalm
    #selffail
    Current Audis: [B9 Q5 2.0T] - [B8.5 A4 2.0T]
    ------------------------------------
    Previous Audis: [B8.5 Q5 2.0T] - [B8.5 Allroad 2.0T] - [Q3 2.0T] - [B6 S4 4.2] - [B5 A4 Avant 2.8] - [C6 Allroad 2.7T] - [C7 A6 3.2] - [B5 A4 1.8T] - [C6 A6 2.8] - [B5 A4 2.8] - [C2 200]

  6. #6
    Active Member Two Rings
    Join Date
    Mar 01 2015
    AZ Member #
    317882
    Location
    Norwalk ct

    ...
    "They say follow your dreams.....So I went back to bed."

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