How do I disable the TCC - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 05-10-2003, 03:31 PM   #1
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Default How do I disable the TCC

I need to know,
How do I disable the TCC and have All gears.
Any ideas.

What wire controls the TCC?
Pin # on ECM?
A-f on auto tran sol?
This is for Diagnostic testing only.
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Old 05-11-2003, 01:45 AM   #2
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Default Re: How do I disable the TCC

Quote:
Originally Posted by UserBrett
I need to know,
How do I disable the TCC and have All gears.
Any ideas.

What wire controls the TCC?
Pin # on ECM?
A-f on auto tran sol?
This is for Diagnostic testing only.
Well here'* the description & purpose of the TCC for starters.
http://www.bonnevilleattitude.com/fo...e184b482b2045b
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Old 05-11-2003, 03:50 AM   #3
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With the 4T60-E I heard that ya dont want to unplug the TCC because it will cause it to only shift into first and reverse. Just what I heard
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Old 05-13-2003, 12:07 AM   #4
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Default Re: How do I disable the TCC

Quote:
Originally Posted by DeathRat
Quote:
Originally Posted by UserBrett
I need to know,
How do I disable the TCC and have All gears.
Any ideas.

What wire controls the TCC?
Pin # on ECM?
A-f on auto tran sol?
This is for Diagnostic testing only.
Well here'* the description & purpose of the TCC for starters.
http://www.bonnevilleattitude.com/fo...e184b482b2045b

Thanks Death Rat that is good info.
After reading it looks to me that the TCC will not engage
In D but only in OD. Is this true?

I finely got a 39 code after a year of my car missing
under load.

If the TCC is not engaged in D and my car is missing
(which it does) I am assuming the TCC is not at fault.
Unless the TCC is not disengaging or is engaging in D.
I donít think this is the case.

A scan tool showed it was working about a half a year ago.
To bad I donít have one know.
I guess I could look at pin f ALDL

Well anyway.
Wouldnít this cause a lot of problems (stress) with the TCC engaged in OD?
I have done a lot of cruising and when in OD
The missing was bad enough (I think) it messed up the TCC lock.
ECM transaxle abuse.
Also I am trying to find out more about the PWM.
Oh well I still working on this.
This is a good site to look at
http://autorepair.about.com/library/.../aa061701l.htm
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Old 05-13-2003, 12:33 AM   #5
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the TCC WILL engage in D
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