GM Drivetrain & Suspension Chassis | Transmission| Driveshaft | Gears/Rear End/Differential | Traction Aids

TCC Problems and Questions

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Old Nov 8, 2005 | 11:58 AM
  #11  
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Yeah I know that, but the only one I have is P1870. Which makes me think its not the TCC noid or the PWM noid or any of the wiring. The fluid looks good too, so I doubt the TCC is smoked.
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Old Nov 8, 2005 | 02:10 PM
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there is a feature in the hpt scanner under tools that will allow you to command the tcc to lock. Id test it. I had a similar problem and it was a misfire code even though it wasnt setting the se light might think about changing the low and mid misfire tables if youve got a cam just to elimnate the possibility.
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Old Nov 8, 2005 | 03:36 PM
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Really? I did a search at ls1tech and pretty much every case of this had an SES light. It could be my nosiy *** leaky EGR valve freakin' things out. I'll fix the EGR tonight and see if it helps. Yes, I have a cam, but I've NEVER had this problem before. And the cam and stall have been on for almost a year and a half.
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Old Nov 8, 2005 | 05:05 PM
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Originally Posted by vanillagorilla
Really? I did a search at ls1tech and pretty much every case of this had an SES light. It could be my nosiy *** leaky EGR valve freakin' things out. I'll fix the EGR tonight and see if it helps. Yes, I have a cam, but I've NEVER had this problem before. And the cam and stall have been on for almost a year and a half.
I had mine in for around 6 months it just started doing it one day and I couldnt figure it out. I logged misfire counts and just decided to tweak the low and mid tables and it solved the problem.

When you running along just open up the scanner I thing its under tools- vcm control and the tranny tab-its an enable button command the converter to lock if it does and stays locked you know there is nothing wrong with it and to look else where. Also you can log input and output speeds and converter slip should be next to nothing when in third gear.
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Old Nov 8, 2005 | 09:48 PM
  #15  
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Beto? Bryce? You guys reading this? I'll be calling you!
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Old Nov 8, 2005 | 10:01 PM
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Let me know.
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Old Nov 10, 2005 | 12:12 AM
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Originally Posted by vanillagorilla
Beto? Bryce? You guys reading this? I'll be calling you!
aww MAAAAAAAN!!!!!!!!!!! lets do it.
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Old Nov 10, 2005 | 12:18 AM
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maybe you have the same problem my tranny did the first time....

the solenoids.
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Old Nov 10, 2005 | 12:12 PM
  #19  
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Originally Posted by onyx
maybe you have the same problem my tranny did the first time....

the solenoids.
I haven't gotten a code for any of the noids being failed or a circuit malfunction. As far as the PCM is concerned, the TCC noid and the PWM noid are good. It might be some mechanical issues like what James B. said. I just need it to hold out until Christmas time. I'll have time then to build me a new tranny.
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Old Nov 10, 2005 | 02:15 PM
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can i hit it with a hammer?
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