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2004-2007 Cadillac CTS-V General Discussion Discussion, INTERESTED IN A TUNE(WAIT4ME) feedback please!! in Cadillac CTS-V Series Forum - 2004 - 2007; Originally Posted by Yeqon Plan on ordering this as my headers are going on this weekend. Will I be okay ...
  1. #31
    SkullV's Avatar
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    Re: INTERESTED IN A TUNE(WAIT4ME) feedback please!!

    Quote Originally Posted by Yeqon View Post
    Plan on ordering this as my headers are going on this weekend. Will I be okay driving a week or so before a tune with headers and high flow cats? How did the relearn go? How was changing out the PCM? Not to hijack your thread...... but.....

    You will be fine without a tune for a week or so if you limp it around, at WOT you will be POURING gas into your motor. That being said it will be VERY hard to limp it around right after installing the headers/cats!

  2. #32
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    Re: INTERESTED IN A TUNE(WAIT4ME) feedback please!!

    Just put mine in today. It was easy to do (it's a ten minute job) and you can do it all from underneath without removing the whole front air dam. Here are the instructions:

    http://www.cadillacfaq.com/faq/answers/sm/pcm.html

    I drove it 20 or 30 miles (mixed city/highway), no SES light. I believe you only need to do the crank relearn if the SES goes off.

  3. #33
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    Re: INTERESTED IN A TUNE(WAIT4ME) feedback please!!

    Quote Originally Posted by calidave View Post
    Just put mine in today. It was easy to do (it's a ten minute job) and you can do it all from underneath without removing the whole front air dam. Here are the instructions:

    http://www.cadillacfaq.com/faq/answers/sm/pcm.html
    I looked all over for these instructions in the FAQ's. Still don't get how I missed this.

    Thanks for the link. Installing mine now!

    DK

  4. #34
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    Re: INTERESTED IN A TUNE(WAIT4ME) feedback please!!

    Yeah, I didn't see it in the FAQ either. I found it via Google in this thread:

    http://www.cadillacforums.com/forums...m-removal.html

    Have fun!

  5. #35
    chris955 is offline Cadillac Owners Member
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    Re: INTERESTED IN A TUNE(WAIT4ME) feedback please!!

    will it defeat cags?

  6. #36
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    Re: INTERESTED IN A TUNE(WAIT4ME) feedback please!!

    I believe it can if you ask him to include it. I already had a CAGS eliminator before I ordered the tune.

  7. #37
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    Re: INTERESTED IN A TUNE(WAIT4ME) feedback please!!

    Okay, many thanks to Liqidvenom & CaliDave on this.
    Here's the (any) PCM install procedure.
    [btw: it's a W4M; yes, it can defeat the CAGS and can be programmed by Jesse to do a number of different things, no- no results yet (it's pouring on the east coast right now), yes, it's a worthwhile mod > jesse will retune it w/ your change in mods + you get to keep your stock/warranty safe PCM]

    Here's the install...

    Tools required:
    7mm, 8mm, 10mm socket
    Screwdriver
    Flashlight
    + you'll need to jack up the front end (driver's side only)

    1. jack up driver's side, front
    2. disconnect negative battery terminal (8mm socket)
    3. pull air/splash shield panel pins underneath car on driver's side (see pics)
    4. pull splash panel down and use 10mm socket to open PCM box door
    5. pull PCM down, remove (2) 7mm bolts on (2) electrical connectors
    6. swap PCM, reverse procedure
    7. do ignition-on 2x (don't actually start car), do third time and leave in that position for a minute
    8. start car, drive like a fool, hope for no codes.
    9. if no codes, report back; if codes, do crank relearn. if that doesn't fix, call jesse.

    Pics...










    For those that may search in the future (and there are no good links available via the search here or on the FAQ):
    wait4me PCM install removal location ECM W4m tune deflector behind underneath

  8. #38
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    Re: INTERESTED IN A TUNE(WAIT4ME) feedback please!!

    Quote Originally Posted by kirchbed View Post
    7. do ignition-on 2x (don't actually start car), do third time and leave in that position for a minute
    Great writeup, but I must have missed this step in the instructions. What purpose does this serve?

  9. #39
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    Re: INTERESTED IN A TUNE(WAIT4ME) feedback please!!

    Quote Originally Posted by calidave View Post
    Great writeup, but I must have missed this step in the instructions. What purpose does this serve?
    I think this ensures that it it learns the throttle closed position (quickly).

  10. #40
    bjv
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    Re: INTERESTED IN A TUNE(WAIT4ME) feedback please!!

    The price seems to be $320 now for an 07. Is it higher because there is something different about an 07?

  11. #41
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    Re: INTERESTED IN A TUNE(WAIT4ME) feedback please!!

    Quote Originally Posted by bjv View Post
    The price seems to be $320 now for an 07. Is it higher because there is something different about an 07?
    He charges more for the LS2. Why?

  12. #42
    04vman is offline Cadillac Owners Fanatic
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    Re: INTERESTED IN A TUNE(WAIT4ME) feedback please!!

    Access to the pcm is very easy. Once the front drivers side of the car is in the air, you remove a couple plastic covers, and its right there between the fog light and the wheel, from the underside of course. If you have access to a lift, its about a twenty minute install. By the way i've had my w4m tune for a couple years now and I never did the crank positioning relearn crap, and I have had zero issues, nothing but positive things to say about my tune!

  13. #43
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    Re: INTERESTED IN A TUNE(WAIT4ME) feedback please!!

    Quote Originally Posted by kirchbed View Post
    He charges more for the LS2. Why?
    I believe it is due to a newer generation PCM and different software/hardware tool to flash it.

  14. #44
    Shon Herron is offline Cadillac Owners Fanatic
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    Re: INTERESTED IN A TUNE(WAIT4ME) feedback please!!

    I would like to see some before and after gains of this tuning with the same mods.
    not I was stock and then got the tune and CAI/catback/etc and it gained X.
    I want to see I had these mods and it made XYZ and with his tune it made ABC. preferably on the same dyno and SAE corrected.

  15. #45
    bjv
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    Re: INTERESTED IN A TUNE(WAIT4ME) feedback please!!

    I'm curious how it might improve fuel mileage on a stock LS2.

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