How to disable F55 suspension on 2005 SRX
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Cadillac SRX First Generation Forum - 2004 - 2009 Discussion, How to disable F55 suspension on 2005 SRX in Cadillac SRX Forums; Hi all, I have a Cadillac SRX 2005 3.6 V6 (LY7) with the F55 suspension, but shock absorber was really ...
  1. #1
    floods's Avatar
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    How to disable F55 suspension on 2005 SRX

    Hi all,

    I have a Cadillac SRX 2005 3.6 V6 (LY7) with the F55 suspension, but shock absorber was really used and i have to change it, i am in France, and never find the original shock absorber, only find it in USA but price is really high.

    I just install normal shock absorber (without F55 magnetic ride), the problem is that the electronic module from the suspension directly know that
    It limit the speed to 80 MPH and show me that i need to repair suspension, all the rest is ok, and the car drive perfect with the new suspension, but just this stupid limitation.

    I have the GM Tech 2, i have the TIS 2000 with access to programming mode.... but don't find anything to disable the system on this car.
    I found a link for Corvette who use the same suspension, it tell how to disable it at this link : http://forums.corvetteforum.com/c5-t...-and-25-a.html
    But on the SRX i don't have the option on the Tech 2.

    Anybody know how i can do ?

    Thanks a lot.

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  3. #2
    Ludacrisvp's Avatar
    Ludacrisvp is offline Cadillac Owners Connoisseur
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    Re: How to disable F55 suspension on 2005 SRX

    I doubt the Tech-II can disable F55 in the SRX.
    Just follow the steps here:
    http://www.cadillacforums.com/forums...e-control.html
    Quote Originally Posted by 1BadCadSTS View Post
    F55 equipped cars the suspension module MUST see a 1-3 OHM resistance from each strut/shock in order to complete the module check of the suspension system. Anything above or below this and the strut is considered failed an throws a code. I have completed this on a 06+ DTS Performance and two 07+ Eskys all with F55.

    http://www.radioshack.com/product/in...ductId=2062290
    ( 1.0 ohm 10W 10% Wirewound Resistor (2-Pack) )


    Those can handle the current.

    You will need 2 PER STRUT/SHOCK wire them together and 1 end to the 2 wire factory car wiring and the other to the other wire.

    Wire the pair of resistors per shock in 'series' to create a 2-OHM resistance.
    Factory wire "A"<----[resistor_1]--------[resistor_2]---->Factory wire "B"

    That is it, yup it is that simple, from there you can install whatever aftermarket passive strut you want be it Arnott, Monroe, Strutmaster etc.....

  4. #3
    floods's Avatar
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    Re: How to disable F55 suspension on 2005 SRX

    Thanks for help, ok, i just order the resistor.
    But for sure, did i need to put it in serial or parallel ?

    Thanks a lot

  5. #4
    BOOM_FIST is offline Cadillac Owners Member
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    Re: How to disable F55 suspension on 2005 SRX

    Quote Originally Posted by floods View Post
    Thanks for help, ok, i just order the resistor.
    But for sure, did i need to put it in serial or parallel ?

    Thanks a lot


    I just did my rear shocks as well: http://www.cadillacforums.com/forums...cks-piece.html

  6. #5
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    Re: How to disable F55 suspension on 2005 SRX

    Hi,

    Thanks a lot for reply, can you give me the value of the resistor (ohm and watt) you use ?

    Thanks for help.

  7. #6
    Ludacrisvp's Avatar
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    Re: How to disable F55 suspension on 2005 SRX

    His came with his shocks (i believe).

    Either will work, you basically need one that can handle the electrical load, 1BadCadSTS has run the pair of 1-ohm 10w resistors in series (creating a 2-ohm load) without issue for multiple applications.
    You could probably find a single resistor that could do it but will likely spend more on it.

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    BOOM_FIST is offline Cadillac Owners Member
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    Re: How to disable F55 suspension on 2005 SRX

    Quote Originally Posted by floods View Post
    Hi,

    Thanks a lot for reply, can you give me the value of the resistor (ohm and watt) you use ?

    Thanks for help.
    I sure will....as soon as I get home. I believe they were 3ohm 50W resistors...but let me check. I'll reply in a couple of hours.

    Quote Originally Posted by Ludacrisvp View Post
    His came with his shocks (i believe).
    Luda is correct, they came with the conversion kit but I will get the specs in a little.

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    BOOM_FIST is offline Cadillac Owners Member
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    Re: How to disable F55 suspension on 2005 SRX



    6ohm 50W it looks like??

  10. #9
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    Re: How to disable F55 suspension on 2005 SRX


  11. #10
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    Re: How to disable F55 suspension on 2005 SRX

    Thank a lot.
    I will directly order the same 6 ohm 50W.

    Thanks again.

  12. #11
    BOOM_FIST is offline Cadillac Owners Member
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    Re: How to disable F55 suspension on 2005 SRX

    No problem, it works perfect too.

  13. #12
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    Re: How to disable F55 suspension on 2005 SRX

    I check with the local store, but hasn't the 6 ohm, they can sell me 6.8 ohm, is that ok too ? (or 4.8 ohm).
    Thanks a lot

  14. #13
    BOOM_FIST is offline Cadillac Owners Member
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    Re: How to disable F55 suspension on 2005 SRX

    Quote Originally Posted by floods View Post
    I check with the local store, but hasn't the 6 ohm, they can sell me 6.8 ohm, is that ok too ? (or 4.8 ohm).
    Thanks a lot
    I'm not sure floods....maybe someone else can chime in. I would think the 6.8 ohm would work also, but not sure.

    Anyone???

  15. #14
    floods's Avatar
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    Re: How to disable F55 suspension on 2005 SRX

    Just found the right 6 ohm 50 watt on Ebay.
    Will keep you informed when i receive them and if that work

    Thanks for help

  16. #15
    Ludacrisvp's Avatar
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    Re: How to disable F55 suspension on 2005 SRX

    Typically what's in a store won't handle the wattage as large consumption like this isn't common.

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