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Thread: Loc's 1998 GTP

  1. #41
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    Default Re: Loc's 1998 GTP

    Eeellllooooo (Mrs Doubtfire)


    My Hubs came in. A bit dark and a bit cold to change em out. I'll do it tomorrow

    Fobs arrived also. Followed Programming procedure without success. Tried another one that was posted and it too didn't work. Anyways finally figured it out. At the instructions where it says Open/close door and a chime will sound never happened.

    Instead mine would flash the Seatbelt and Ding once...then twice....then 3x....then 4. It would repeat it continuously after a slight pause after 4. So anyways on my 3rd attempt of trying to get a single chime I finally gave up and when it started it's multiple chiming I just held the unlock/lock and in the middle of the 3 chimes...it stopped...chimed once (kept holding buttons) then chimed again about 5 seconds later. I grabbed the other one and it chimed ONCE after 7 seconds (held it for 30). Anyways it worked and they work fine.
    My Project: http://www.grandprixforums.net/threa...Loc-s-1998-GTP
    1998 Grand Prix GT Loaded (Wife's Car)
    2000 Durango: Fully Loaded From Factory

  2. #42
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    Default Re: Loc's 1998 GTP

    Installed new hubs.

    Still no ABS/TCC/Cruise.

    So quick question....

    Do I need to reset the computer or should it "correct itself"

    On a side note, my friends Scanner would communicate with the ABS Module so either his scanner don't like my car or the ABS Module is bad. But would a bad ABS module cause Cruise not to work? Anyways I'll do some digging and see what I can find out.


    Update: Found out how to reset just the ABS Module. The TCC light finally went off but the ABS light is still on. Havent driven anywhere yet so I'll wait until Tues (vacation ends tomorrow) and see if the TCC stays off and if the cruise works.
    Last edited by Locruid; 01-01-2017 at 06:05 PM.
    My Project: http://www.grandprixforums.net/threa...Loc-s-1998-GTP
    1998 Grand Prix GT Loaded (Wife's Car)
    2000 Durango: Fully Loaded From Factory

  3. #43
    Killa Bee Scottydoggs's Avatar
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    Default Re: Loc's 1998 GTP

    theres no reset, when fixed the light will go off on its own.

    do you mean the scanner wont communicate, or it does? if it wont check the power port fuse, the obd2 port runs off the same fuse.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, 2.8, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW

  4. #44
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    Default Re: Loc's 1998 GTP

    Sorry Scottydoggs, the scanner wouldn't communicate with the ABS module. I was typing a bit fast lol. The power ports work and the scanner can read and reset P0440 error (and purge Solenoid error). But whenever I have it access the ABS it takes a bit (loading bar gets to 94%) and says unable to communicate with ABS Module.

    I've read some Innova scanners don't like our ABS module so that POSSIBLY could be the reason. Tomorrow I'm gonna check all the harnesses at the sensors for continuity.
    My Project: http://www.grandprixforums.net/threa...Loc-s-1998-GTP
    1998 Grand Prix GT Loaded (Wife's Car)
    2000 Durango: Fully Loaded From Factory

  5. #45
    Killa Bee Scottydoggs's Avatar
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    Default Re: Loc's 1998 GTP

    try another scanner like a tech 2 or a snap on, if it still wont talk, then the ebcm is likely bad.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, 2.8, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW

  6. #46
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    Default Re: Loc's 1998 GTP

    I bet your EBCM is bad. I changed all my hubs thinking it was a wheel sensor. ended up needing a whole new EBCM. I eventually picked up a couple of good ones at the JY as they're known to fail.


    And everything is looking great my friend. gotta love the cheap, minty car scores. I picked up my GP for $600 threw a MAF at it and took off lol


    And just in case you have an air bag light.... Your pass floor board is probably a pool of water under the carpet and it shorted the module. if not, then you're doing better than I was lol
    98 GP Build?: http://www.grandprixforums.net/threa...-in-particular
    Power :Gen V, 3.6, 10.5mm, HS 1.9s, 105#, SDs, FWI, DHP Tuned, CS144
    Stuff :Gauges, 04 Leather seats, Cool stereo, Pregens, LEDs, Retros


  7. #47
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    Default Re: Loc's 1998 GTP

    Ty Ty.

    Havent gotten around to checking the harness yet....too much damn snow. Wife wants a GP also so gonna purchase a Tech II scanner.

    Nope only issues I have is an Evap Solenoid and the ABS/TCS/Cruise. Everything else is working just fine . I'll check out the harness once it warms up then I'll purchase a Tech II and check out the ABS system from there


    Got my wish list figured out and many changes coming end of Feb
    My Project: http://www.grandprixforums.net/threa...Loc-s-1998-GTP
    1998 Grand Prix GT Loaded (Wife's Car)
    2000 Durango: Fully Loaded From Factory

  8. #48
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    Default Re: Loc's 1998 GTP

    Oh Good! yeah the EBCM controls all 3 of those. if you have an ABS light, bye bye amenities lol. And you stated you couldn't get anything to come up on the scanner? if so that's a tall tail sign that the EBCM is fer sure deader than a door nail.

    If/when you do pick up an EBCM they can only come out of another GTP cause of the magnasteer n shizzz

    Let me know what conclusion you come to as I have a few here and would be happy to cut you a deal on one of mine

    Oh also another trick to see if its bad is if youre going down the road and you shift into N the speedo will drop to 0 even if you're going say 35mph lol
    98 GP Build?: http://www.grandprixforums.net/threa...-in-particular
    Power :Gen V, 3.6, 10.5mm, HS 1.9s, 105#, SDs, FWI, DHP Tuned, CS144
    Stuff :Gauges, 04 Leather seats, Cool stereo, Pregens, LEDs, Retros


  9. #49
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    Default Re: Loc's 1998 GTP

    Sweet I'll try that on my way to work.

    And I'll let ya know. My "shop" doesnt have a door so my work depends on Weather vs How-Bad-I-Want-Something-Fixed lol
    My Project: http://www.grandprixforums.net/threa...Loc-s-1998-GTP
    1998 Grand Prix GT Loaded (Wife's Car)
    2000 Durango: Fully Loaded From Factory

  10. #50
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    Default Re: Loc's 1998 GTP

    Ok....
    On my way to work was doing 40 and slipped it to neutral. Speedo went to zero after a couple seconds. Put it back in drive and went back to 37. So pretty good chance abs module is shot

  11. #51
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    Default Re: Loc's 1998 GTP

    What would you guys recommend to keep side molding on? The front part of the molding is sticking out and hitting the quarter panel when I open the door.

  12. #52
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    Default Re: Loc's 1998 GTP

    3m double sided tape should work.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, 2.8, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW

  13. #53
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    Default Re: Loc's 1998 GTP

    What scotty said. and yeah, good chance that module is shot
    98 GP Build?: http://www.grandprixforums.net/threa...-in-particular
    Power :Gen V, 3.6, 10.5mm, HS 1.9s, 105#, SDs, FWI, DHP Tuned, CS144
    Stuff :Gauges, 04 Leather seats, Cool stereo, Pregens, LEDs, Retros


  14. #54
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    Default Re: Loc's 1998 GTP

    Had to pull my driver door molding off. It was starting to stick out pretty far. Gonna pick up some 3M tape, Goo Gone, and scrapper and fix it properly this weekend
    My Project: http://www.grandprixforums.net/threa...Loc-s-1998-GTP
    1998 Grand Prix GT Loaded (Wife's Car)
    2000 Durango: Fully Loaded From Factory

  15. #55
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    Default Re: Loc's 1998 GTP

    Hey ya'll. Not much to post. Got my Budget ready and getting ready to start buying parts.

    I do have one little thing. I noticed the other day I was cruising down a "hill" doing 50. Took my foot off the gas to coast down it. I noticed the idle came down then start fluctuating between 700 and 1200 rpms. It's not fast at all and doesnt affect the car, I just happened to notice it. I have ZERO idle/throttle issues other than that. And it only does it when coasting with foot off gas. Wouldn't even had noticed it had I not been looking at the Tach lol.

    Could my TPS be having a hiccup?

    Haven't gotten around to the molding yet. I got the molding cleaned up but it's been snowing lightly since Sat .
    My Project: http://www.grandprixforums.net/threa...Loc-s-1998-GTP
    1998 Grand Prix GT Loaded (Wife's Car)
    2000 Durango: Fully Loaded From Factory

  16. #56
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    Default Re: Loc's 1998 GTP

    Quote Originally Posted by Locruid View Post
    Hey ya'll. Not much to post. Got my Budget ready and getting ready to start buying parts.

    I do have one little thing. I noticed the other day I was cruising down a "hill" doing 50. Took my foot off the gas to coast down it. I noticed the idle came down then start fluctuating between 700 and 1200 rpms. It's not fast at all and doesnt affect the car, I just happened to notice it. I have ZERO idle/throttle issues other than that. And it only does it when coasting with foot off gas. Wouldn't even had noticed it had I not been looking at the Tach lol.

    Could my TPS be having a hiccup?

    Haven't gotten around to the molding yet. I got the molding cleaned up but it's been snowing lightly since Sat .
    I can pretty much guarantee the fluctuation is the TCC solenoid. pretty much everyone deals with this problem and it shows its ugly face in different ways lol. However its not usually an issue and can be run like that for a long time.
    98 GP Build?: http://www.grandprixforums.net/threa...-in-particular
    Power :Gen V, 3.6, 10.5mm, HS 1.9s, 105#, SDs, FWI, DHP Tuned, CS144
    Stuff :Gauges, 04 Leather seats, Cool stereo, Pregens, LEDs, Retros


  17. #57
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    Default Re: Loc's 1998 GTP

    Hello My friends,

    Haven't really done much. Waiting for taxes to come back to finish a few things (arent we all).

    In the meantime, quit my job after 15 yrs beings I got accepting in something else. Been a School Bus Driver/Tech since 2002. Now moving up to Shop Supervisor of a Tour Bus Company. MUCH better benefits and 3x the pay (literally). Gonna be interesting, since I don't know the first thing about a Prevost Tour Bus (which my new boss knows lol).

    Quick question for gear heads. I have yet to fix the ABS/TCS Module on my car, but the other day I jumped n the girl and got massive wheelspin. About 2 seconds later the entire thing shut down. I was accelerating very slowly. Pulled my foot from the pedal then re-applied and she immediately responded.

    Even though my TCS OFF light is illuminated I am assuming this was TCS operating (even though it "off"). Just running it past others to confirm my theory.
    My Project: http://www.grandprixforums.net/threa...Loc-s-1998-GTP
    1998 Grand Prix GT Loaded (Wife's Car)
    2000 Durango: Fully Loaded From Factory

  18. #58
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    Default Re: Loc's 1998 GTP

    sounds like tc is still working, but normally if the abs light is on the tc also quits working. when tc kicks in it kills timing and the engine has like no power, so it cant spin the wheels. feels awful.

    i gave up on fixing my abs. i pulled the abs fuse from the inside fuse box, i get just one yellow abs light on the dash and its fully disabled.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, 2.8, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW

  19. #59
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    Default Re: Loc's 1998 GTP

    Quick question for gear heads. I have yet to fix the ABS/TCS Module on my car, but the other day I jumped n the girl and got massive wheelspin. About 2 seconds later the entire thing shut down. I was accelerating very slowly. Pulled my foot from the pedal then re-applied and she immediately responded.

    ^^ that right there is torque management and your PCM basically pulls all the timing until the car has traction again.

    and don't give up on the ABS, you probably just need a new EBCM and I have a few in muh garage I could give you one. $30 shipped
    98 GP Build?: http://www.grandprixforums.net/threa...-in-particular
    Power :Gen V, 3.6, 10.5mm, HS 1.9s, 105#, SDs, FWI, DHP Tuned, CS144
    Stuff :Gauges, 04 Leather seats, Cool stereo, Pregens, LEDs, Retros


  20. #60
    Killa Bee Scottydoggs's Avatar
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    Default Re: Loc's 1998 GTP

    no its not tq management, its traction control, theres a file where you can turn it off.

    tm is something different all together.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, 2.8, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW

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