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  1. #1
    Active Member subdude17349's Avatar
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    Apr 2016
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    South Central PA
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    Default brake light modulator causing errors!?

    Yesterday I attempted to install a brake light modulator on a neighbor's 2010 RS. It's the exact same module I have on the CD third brake light on my RT.

    I cut the wires to the brake lights, and installed the module. When I powered the bike up, I got a DSS error, check engine light was flashing, and the display read "limp home mode". I disconnected the module, hooked the brake lights back up as factory, and everything reverted to normal. I did this about 4 times, same results each time.

    What in the heck could be causing all that mischief just by installing a brake light modulator? Mine's been working perfectly. I don't get it, especially the limp home mode.

    Thoughts?

    2014 RT-S Cognac
    2008 Victory Vision
    Iron Butt Assn #23572
    Victory Motorcycle Club #533

  2. #2
    Very Active Member BoilerAnimal's Avatar
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    May 2016
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    East central Tennessee
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    Default

    I don't remember the brand or the vendor but IIRC there was a warning for that particular one that said it could not be used with a bike using CANBUS.
    On the road again...........and forever young!

    2013 RT-S SE 5



    Yesterday is a cancelled check.
    Tomorrow is a promissory note.
    Today is cash.......spend it wisely.

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