2001 Buick LeSabre Support Question
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Question posted by Anonymous-54709 on March 24th, 2012
Code. P742. Trans Won't. Up Shift.
Current Answers
Answer #1: Posted by Odin on March 24th, 2012 3:42 PM
TCC system stuck on. This is usually the result of a bad TCC solenoid, which requires the side cover of the transmission to be removed for replacement.
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