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Multiple TCU Codes

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    #1

    Multiple TCU Codes

    Hey guys, my CB just died in the middle of the road upon acceleration and is giving me MULTIPLE TCU codes... 1,2,3,7,8 or 9 (can't remember), and 14. The car is still stuck (after I got it into a parking lot) and I'm going back in a little bit to investigate further, reset the memory (pull the fuse) check for other blown fuses maybe, etc. Anyone have any experience with this many codes at once??? I already know the TCU could be shot but would that make the car die INSTANTLY??? 1991 SE A6
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    #2
    sounds like everything that could go wrong with it did lol. there was another guy on here i think last night who had that many and the same codes being thrown. Was it only TCU or were any ECU codes thrown as well?

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      #3
      No ECU codes at all... and that's what's weird about it is that I expected to see the O2 sensor codes because they've been on for a while now but they didn't show up when I jumped the connector at all???? Another weird thing is that I didn't have to jump the connector to get the TCU codes... they just started flashing when the ignition was turned on. Nothing changed after putting the jumper in... No ECU codes and just the 6 or so TCU codes.http://www.cb7tuner.com/shrug.gif

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        #4
        Well, it's fixed. I checked the fuses and the ECU fuse was blown which explains why I didn't see the codes I already knew I had previously. The fuse blew because... a few months ago, I left some wires connected to the ECU after I was finished troubleshooting a previous problem (that's why I got the car for $10) and they apparently shorted. NOTE TO SELF: Do not leave wires connected to the ECU without properly terminating them!

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