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  1. #1

    Default plz help needed sportster

    hey guys, need some help with my new 2018 sportster, installed led turn signals in the front and led turn signal brake light combo in the rear and now i have engine codes:
    uo141
    uo142
    uo156
    b2141
    b2146
    b2151
    b2156
    b2274

    what can I do to fix it

  2. #2

    Join Date
    Sep 2009
    Posts
    1,036

    Default

    Quote Originally Posted by hardleyableson1996 View Post
    hey guys, need some help with my new 2018 sportster, installed led turn signals in the front and led turn signal brake light combo in the rear and now i have engine codes:
    uo141
    uo142
    uo156
    b2141
    b2146
    b2151
    b2156
    b2274

    what can I do to fix it
    You have a can bus bike. That means it basically passes info through the wires and they are more sensitive than previous efi systems. You didnít mention if you used plug in inserts for your LEDs or if you cut and spliced wires.

    If you cut and spliced wires, you are not supposed to do that on a can bus system (kinda like fiber optic cable).

    If you used plug in ones you need a modulator box. Buy one and plug it in. It will probably fix your problem.

  3. #3

    Default

    Quote Originally Posted by misfitJason View Post
    You have a can bus bike. That means it basically passes info through the wires and they are more sensitive than previous efi systems. You didnít mention if you used plug in inserts for your LEDs or if you cut and spliced wires.

    If you cut and spliced wires, you are not supposed to do that on a can bus system (kinda like fiber optic cable).

    If you used plug in ones you need a modulator box. Buy one and plug it in. It will probably fix your problem.
    crap i did cut and splice is there anything I can do?like add a load equalizer to each one

  4. #4

    Default

    Quote Originally Posted by misfitJason View Post
    You have a can bus bike. That means it basically passes info through the wires and they are more sensitive than previous efi systems. You didnít mention if you used plug in inserts for your LEDs or if you cut and spliced wires.

    If you cut and spliced wires, you are not supposed to do that on a can bus system (kinda like fiber optic cable).

    If you used plug in ones you need a modulator box. Buy one and plug it in. It will probably fix your problem.
    i Just looked it up, they sell load equalizers for the canbus bikes, If it works will the lights go off or do I need to reset the codes

  5. #5

    Join Date
    Sep 2009
    Posts
    1,036

    Default

    They might go off with one of those load equalizers (that's the term I was thinking off). In the future don't cut the wires. De-pin them or solder a good connection. Here is some more info for future thought

    https://www.hdforums.com/forum/dyna-...do-it-yet.html

  6. #6

    Default

    The first thing you should do is look up the codes and see what you are dealing with.

  7. #7

    Join Date
    Sep 2009
    Posts
    1,036

    Default

    Quote Originally Posted by IowaChop View Post
    The first thing you should do is look up the codes and see what you are dealing with.

    Save yourself the time. They are all a direct result from the splices in the wires and from the fact that the LEDs show low voltage making your ecm think the bulbs are out or your wire is disconnected

    Here is a link to the ecm codes
    https://www.fuelmotousa.com/p-29661-...Cmodel%3DSCOUT
    Last edited by misfitJason; 04-11-2019 at 7:09 PM.

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