Torque Converter Clutch (P 0741 TCC stuck off) - Page 8
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Northstar Engines and System Technical Discussion Discussion, Torque Converter Clutch (P 0741 TCC stuck off) in Cadillac Engine Technical Discussion; In the event that you need to replace the TCC PWM Solenoid Valve, there is no need to pull the ...
  1. #106
    2001_Seville_SLS is offline Cadillac Owners Fanatic
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    Re: Torque Converter Clutch (p0741 tcc stuck off)

    In the event that you need to replace the TCC PWM Solenoid Valve, there is no need to pull the transaxle or hang it on all threads. The valve can be replaced with the engine and transaxle in their original location. I posted a how to in Tech Tips.

    http://www.cadillacforums.com/forums...741-p1860.html

  2. #107
    jtcne is offline Cadillac Owners Member
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    Re: Torque Converter Clutch (p0741 tcc stuck off)

    Hi Bob,

    How do you go about resetting the p0741 code? I need to get my car inspected and $1000+ repair is not an option at present.

    Thanks!

    John

  3. #108
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: Torque Converter Clutch (p0741 tcc stuck off)

    Quote Originally Posted by jtcne View Post
    Hi Bob,

    How do you go about resetting the p0741 code? I need to get my car inspected and $1000+ repair is not an option at present.

    Thanks!

    John
    Repair is really the only way to properly turn off the light and stop the code. Read the sticky thread at the top of this main threads page - "How to pull codes" - study the whoe thread, then practice working with the car's built-in code system. You can then "clear codes". The light should go out. BUT, if the fault occurs again, as the TCC tries to engage at about 41 mph, the light will return.

    In some models you can drive the car for a couple of weeks with the stick in 3 - if you're primarily a city/near suburban driver that's perfectly fine - the transmission then won't change to 4th and TCC will not attempt to engage. IF that is successful for you, the light should go off in 2 or 3 days of normal driving. IF it does, then it will take another week or so of normal driving - in 3 - for the car's DTC system to set a "ready" flag for the emissions test set.

    BTW - Welcome Aboard !!!............

  4. #109
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: Torque Converter Clutch (p0741 tcc stuck off)

    Not sure if that will work on a 2000, but can't hurt to try it.

    Don't have it tested right after clearing the codes. Uncle Sam anticipated we'd do that and built in a "readiness" test. It will flag that the PCM is not "ready" because the codes where cleared. You'll need to drive it for a few days. If driving it in 3rd works, you're golden, if not, you're screwed.

  5. #110
    HamidTheProgrammer is offline Cadillac Owners Member
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    Re: Torque Converter Clutch (p0741 tcc stuck off)

    I had the exact same code, plus another one on my 2001 Deville DHS which has less than 80K on it. I took it to Martin Cadillac service in Kentucky for inspection. They charged me $100 to the checkup and they gave me an estimate of $2,500 to fix the Trans. The estimate included replacing the solenoid and the TCC “that alone cost $650. So I took it to a local Transmission shop few days ago. They replaced the solenoid, which what prevented the clutch form engaging, and some other part that was corroded “not related to the trans” and the charge of antifreeze fill up. All that for $713. I’ve been driving it for few days now and none of the error codes came back so far.

  6. #111
    Domino1968's Avatar
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    Re: Torque Converter Clutch (p0741 tcc stuck off)

    Dammit!!! I just got the P0741 and P1860 code today! Not only that, I was/am on a road trip when it happened! Guess I will be busy working on this when I get back home. I think I am going to try 2001_Seville_SLS's method of replacing the solenoid, if not, I gotta find me some 14mm rods!

  7. #112
    Marco is offline Cadillac Owners Fanatic
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    Re: Torque Converter Clutch (p0741 tcc stuck off)

    Domino,
    Please keep us updated on your repair.
    I am looking at the same situation, also with a Deville.

  8. #113
    Dave NYC's Avatar
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    Re: Torque Converter Clutch (p0741 tcc stuck off)

    This P0741 code is a sad state of affairs. As someone mentioned, before all this computer stuff we did not have to worry about codes that might be ambiguous to prevent passing an inspection. On the other hand, the on board computer helps pinpoint a problem with your car. Too bad the government could just keep the same inspections they used before the on board system and the on board system is used strictly for repairs. But, there is nothing we can do about that.

    Yes, I'm a member of the P0741 club and it stinks, as nothing is wrong with my transmission, everything glides smoothly. But, that damn P0741 code popped up, I cleared the code myself and I am trying the drive in third technique. Because, I need to have an inspection done this month.

    For people that live in NY, you can get a waiver from your inspection center. It states if you have a code that does not involve serious safety and you spent a minimum of $400 to have it repaired, then a sticker will be issued, as a wavier will be used, all your inspection center has to do is sign it and you sign it and you are good. If it's a mamma and papa type place, you might be able to get the waiver by slipping them an extra $20. So, the worst case scenario would be $400 and a wavier and you will get your sticker.

    I just hope this driving in third will fix my inspection problem.

  9. #114
    Ranger's Avatar
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    Re: Torque Converter Clutch (p0741 tcc stuck off)

    I just hope this driving in third will fix my inspection problem.
    Not sure if that works on an '01, but can't hurt to try.

  10. #115
    Dave NYC's Avatar
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    Re: Torque Converter Clutch (p0741 tcc stuck off)

    Quote Originally Posted by Ranger View Post
    Not sure if that works on an '01, but can't hurt to try.
    Hi, what's the year range of a caddy that 'driving in third' might trick the OBD to not throw the P0741. Is there anyone that used this trick and was able to keep that code from popping up, while driving in third? If so, what year was your car?

    Thanks-

  11. #116
    mhamilton is offline Cadillac Owners Connoisseur
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    Re: Torque Converter Clutch (p0741 tcc stuck off)

    Quote Originally Posted by Dave NYC View Post
    Hi, what's the year range of a caddy that 'driving in third' might trick the OBD to not throw the P0741. Is there anyone that used this trick and was able to keep that code from popping up, while driving in third? If so, what year was your car?
    I think it should work on all years... as long as you use 3rd the trans won't try to go into lockup, the PCM won't see a slipping input-vs-output speed condition, and it won't set the code.

  12. #117
    Ranger's Avatar
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    Re: Torque Converter Clutch (p0741 tcc stuck off)

    I forget the year range, but I know people here have used it and it worked. Others with newer cars have tried it and it didn't so I'm pretty sure some changes have been made. I have the same problem, but no need to do it as I am not subjected to emissions testing.

  13. #118
    Bowler807 is offline Cadillac Owners Member
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    Re: Torque Converter Clutch (p0741 tcc stuck off)

    The torque converter locks up in third in my 03.

    I also had the P0741 code. I just spent $1500 to replace the bad seals and torque converter. What a difference. After connecting his scan tool the mechanic said the transmission was slipping about 300 RPM in all gears. Since the repair I notice the tach is lower at any given speed in any gear. It seems that it was money well spent.

  14. #119
    Toddalin is offline Cadillac Owners Member
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    Re: Torque Converter Clutch (p0741 tcc stuck off)

    Hi guys and gals.

    I'm new to this forum and have and Olds Aurora with a Northstar that is throwing Code P0741 (it's not just a Caddie problem). The car has done this since new in 1999 and the Cadillac/Olds dealer changed the trannie twice (first time at ~50 miles). Other than the SES light, there is no apparent manifestation of the problem (but from this thread I now know the brake tap trick to check it out).

    I need to get the car in for smog so disconnected the battery for a while. This cleared the codes and the car passed all emissions requirements, but the car failed because the battery had been disconnected and the computer had not reset. The guy said that I needed to drive it 50-100 mi.

    I was driving the car through the canyons and no SES came on even at speeds of ~55 mph. Phew!!!! Jump on the freeway at about 40 miles on the odometer since reset, come up to cruise (~70 mph), look down and SHOOT the SES came on.

    Ammco said that worst case scenario to replace would be ~$700, but now could not even look at the car because of the smog failure and it must go to a BAR station which would bring it to them.

    One shop wanted $850 to replace the solonoid. The guy reset the code and put out the SES. I've told my wife to leave the car in 3 for the next week in hopes that this will get me through smog.

    Let's hope!

  15. #120
    Toddalin is offline Cadillac Owners Member
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    Re: Torque Converter Clutch (p0741 tcc stuck off)

    Update:

    Wife took the car to Yoga and left it in 3rd. SES STILL CAME ON just as she returned home.

    I guess it's off to a different AAMCO.

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