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  1. #1

    help with check engine light

    Hello all

    I just bought a 2004 rxp in exelent conditions, two days ago I took it to a local dealearship to get it maintanance, and have the supercharger rebuild as it already had 130 hr on it, the guy at the shop told me that I had a 185 hp sc that if I wanted he would upgrade it to the 215 at not additional charge, and of course I agreed on, well long story short after everything was put back together when he attempted to reset the ecu to the new supercharger configurations he noticed that the tcm was not meassuring the throttle opening, and after trying with a different ecu we decided to go and change it, well everything looked good but now my checking engine came back showing p1104 and I read that it has to do with the tcm once again, the guy at the shop told me to ride it like that and if I see any sort of problem to take it back for him to check the cables, now my question is , how bad could this fault code harm the engine, or is something that it wouldnt really make a difference or maybe there is a fix for it,, also I was wondering if this has ahything to do with the sc upgrade or not, any help will be really appreciated thanks


  2. #2
    Got Boost? psycho rxp's Avatar
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    Welcome to the Forum


    The 04'-05' 215 ECU doesn't need to be configured to work with any size charger. By ("TCM") u mean the TPS, or throttle position sensor...

    He changed the ECU, instead of the TPS for an 1104 code??

    1104 code is for "TPS adaptation cancelled" It has nothing to do with the Supercharger at all.

  3. #3
    JFizzleJR's Avatar
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    Quote Originally Posted by kbolaloco1 View Post
    Hello all

    I just bought a 2004 rxp in exelent conditions, two days ago I took it to a local dealearship to get it maintanance, and have the supercharger rebuild as it already had 130 hr on it, the guy at the shop told me that I had a 185 hp sc that if I wanted he would upgrade it to the 215 at not additional charge, and of course I agreed on, well long story short after everything was put back together when he attempted to reset the ecu to the new supercharger configurations he noticed that the tcm was not meassuring the throttle opening, and after trying with a different ecu we decided to go and change it, well everything looked good but now my checking engine came back showing p1104 and I read that it has to do with the tcm once again, the guy at the shop told me to ride it like that and if I see any sort of problem to take it back for him to check the cables, now my question is , how bad could this fault code harm the engine, or is something that it wouldnt really make a difference or maybe there is a fix for it,, also I was wondering if this has ahything to do with the sc upgrade or not, any help will be really appreciated thanks
    Not quite sure why a 2004 RXP (215 ski) would have a 185 supercharger on it. Reset the ECU to the new supercharger configurations? Are you sure they weren't a day early for April Fools Day?

  4. #4
    imp0ster's Avatar
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    Transmission Control Module? 185 SC has a different gear and would not go in a 215 motor. Are you sure this ski even has the right computer in it? Find a new mechanic.

  5. #5
    Quote Originally Posted by psycho rxp View Post
    Welcome to the Forum


    The 04'-05' 215 ECU doesn't need to be configured to work with any size charger. By ("TCM") u mean the TPS, or throttle position sensor...

    He changed the ECU, instead of the TPS for an 1104 code??

    1104 code is for "TPS adaptation cancelled" It has nothing to do with the Supercharger at all.
    ThanKs for your feedback see my old ecu or which I beleive it is called like that, was not reading everytime ge will open the throttle it will be stocked at 8.6, after trying with another one he had the budds was reading the opening and closing of the throttle, but now the check engine in on .... ??

  6. #6
    Quote Originally Posted by imp0ster View Post
    Transmission Control Module? 185 SC has a different gear and would not go in a 215 motor. Are you sure this ski even has the right computer in it? Find a new mechanic.
    He said since I had the red sc it was probably a 185 so he would upgraded it for me, the ski has a computer taht doesnt match the vin in the back so I dont know

  7. #7
    imp0ster's Avatar
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    it's a 215. If he has BUDDS on it he should be able to tell you the error

  8. #8
    I mean he did said that it could of be a bad cable thats not giving the right ground but other than that it should be fine

  9. #9
    JFizzleJR's Avatar
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    Quote Originally Posted by kbolaloco1 View Post
    He said since I had the red sc it was probably a 185 so he would upgraded it for me, the ski has a computer taht doesnt match the vin in the back so I dont know
    you got scammed. hopefully your "new replacement upgrade" is in proper condition.

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