90 Buick LeSabre 4T60 Trans TCC solenoid question

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#31
After driving both cars with the scanner attached, I have found that the TCC command is identical under similar driving situations. It feels more like TCC shudder than an engine miss.
I know we do not like to recommend magic in a bottle, but which product have some of you used used successfully for TCC shudder. Maybe Lubgard Dr. Tranny's Instant Shudder Fixx or Lubegard Red or ???
 
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bp042665

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#32
No nick because if its unplugged then it wont be applying at all thats why i said with live data you cant see if the computer is actually comanding it on and off