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Thread: Malfunction Indicator Light with P0741 and P1860

  1. #31
    Al17/11 is offline Cadillac Owners Member
    Automobile(s): 2001 Cadillac Seville
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    Re: Malfunction Indicator Light with P0741 and P1860

    Does anyone know what the GM part # is for the TCC PWM solenoid?


  2. #32
    eaglevision993 is offline Cadillac Owners Member
    Automobile(s): 2000 Seville STS
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    Re: Malfunction Indicator Light with P0741 and P1860

    Hi,
    as of today I am also stuck with the p1860 and p0741 codes and I assume it is the solenoid.
    Already ordered one at rockauto and plan to do the job next week.

    It is a 2000 Seville STS with 55k miles.

    As I am in Germany I have to do the repair myself anyway because only dealerships know their ways around the N* overhere and I after our new 3000$ windshield I assume the TCC solenoid will be in the same ballpark at the Cadillac dealer.

    Well, I hope the outlined way of replacing the TCC works as fine for me as for you guys,...Just to make sure it is the solenoid I will check the resistance tomorrow. But chances are it is the TCC anyway.

    Any new tricks are well appreciated.... I still have the weekend waiting for the parts...

    Best regards
    Benjamin

    ----------

    AC Delco parts no. is 24227792 btw.

  3. #33
    SliceOfLife is offline Cadillac Owners Enthusiast
    Automobile(s): 2002 Seville SLS, all black--261,000 miles
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    Re: Malfunction Indicator Light with P0741 and P1860

    I tackled the job unsuccessfully. There was one cover bolt I couldn't get to without removing the drive shaft, which I wasn't prepared to do at the time--especially since there was some doubt in my mind that that would be enough. I'm inclined to go along with the guy who said he had to drop the engine a bit to get at it. Good luck.

  4. #34
    eaglevision993 is offline Cadillac Owners Member
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    Re: Malfunction Indicator Light with P0741 and P1860

    The video on youtube says to remove the left side motor mounts to tilt the engine.
    It is a tight fit, but I have small hands so I ´ll give it a try.

  5. #35
    eaglevision993 is offline Cadillac Owners Member
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    Re: Malfunction Indicator Light with P0741 and P1860

    Ok Update:

    I removed the old TCC solenoid today. The new one is in the mail tomorrow so I started the project.

    The removal was quite straight forward and I did some videoclips which I will upload on youtube when I am done and edited them.

    Removing the 2 bolts of the master cylinder and setting it aside facilitates the view of the solenoid and it also gives you more clearance between the frame and the side cover. About half an inch more and you really want that have inch I tell you....
    When I removed the hairpin clip I used a pincet and a small pick up magnet you would use for bolts to retrieve. So the hairpin has no chance to fall inside the tranny.

    The old TCC solenoid connector was almost burned off and crumbled when I removed the harness connector so the solenoid seems to be the obvious cause here.

    Hopefully the hairpin goes in as easy as it went out but I guess it will keep me busi some time tomorrow.
    Otherwise this repair is not as hard as it seems but good tools and small hands help alot.

  6. #36
    eaglevision993 is offline Cadillac Owners Member
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    Re: Malfunction Indicator Light with P0741 and P1860

    I decided to upload the video as part 1 and part 2.
    So part 1 covers the disassembly and part 2 reassembly.

    Part 1 is here:
    http://www.youtube.com/watch?v=moVNT...ature=youtu.be

  7. #37
    eaglevision993 is offline Cadillac Owners Member
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    Re: Malfunction Indicator Light with P0741 and P1860


  8. #38
    OTTO's Avatar
    OTTO is offline Cadillac Owners Member
    Automobile(s): 2001 STS
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    Re: Malfunction Indicator Light with P0741 and P1860

    Taking this on this here weekend. Got the old one out, it was crispy, new one in.
    Cover 90% on. Bolt/stud at back that motor mount bracket goes to is being a bitch.
    I'll tackle it tomorrow. Local trans shop wanted $2000.00 to do the repair.....HA!
    Thanks for all who posted

  9. #39
    OTTO's Avatar
    OTTO is offline Cadillac Owners Member
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    Re: Malfunction Indicator Light with P0741 and P1860

    Test drive=successful=no more check engine light.
    Two clips left over.
    Where do these go?
    0210031043.jpg
    I also lost a clip for the air cleaner. It went PING and flew off to parts unknown.

  10. #40
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: Malfunction Indicator Light with P0741 and P1860

    Fuel rail to fuel line safety clips.

    www.gmpartsgiant.com. Your car, model, year, system, subsystem. Opens a text page. More INFO tab opens parts diagram keyed to text. You'll want to find that air filter adapter retainer clip. It's lying down on the lower air deflector. 13 pull-center plastic rivets. Break one and spares on the Help! racks at large parts stores or at a Fastenal outlet. (You're not the first and you'll know better next time )

  11. #41
    OTTO's Avatar
    OTTO is offline Cadillac Owners Member
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    Re: Malfunction Indicator Light with P0741 and P1860

    Quote Originally Posted by Submariner409 View Post
    Fuel rail to fuel line safety clips.
    Safety is highly over-rated.......back out to the garage.

  12. #42
    OTTO's Avatar
    OTTO is offline Cadillac Owners Member
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    Re: Malfunction Indicator Light with P0741 and P1860

    Thanks for the info. Amazing how loose the fuel lines were on the rails.
    Clips attached correctly I hope.
    0210031633.jpg

  13. #43
    OTTO's Avatar
    OTTO is offline Cadillac Owners Member
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    Re: Malfunction Indicator Light with P0741 and P1860

    Looked again for the air filter clip, no joy.
    I will get the clip soon and get 3 more pull-center rivets.

    ----------

    New Genuine GM 25043286 Air Cleaner Intake Clip Retainer
    $7.99 shipped on ebay and on its way.

    ----------

    New Genuine GM 25043286 Air Cleaner Intake Clip Retainer
    $7.99 shipped on ebay and on its way.

  14. #44
    Join Date
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    Re: Malfunction Indicator Light with P0741 and P1860

    i think ive got some of those air box clips in our NOS drawer
    get in touch if you need some OTTO

  15. #45
    OTTO's Avatar
    OTTO is offline Cadillac Owners Member
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    Re: Malfunction Indicator Light with P0741 and P1860

    Thanks, Chris. Already placed the order, I'll let you know if they're wrong but, looked like NOS parts in the bag.

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