Transmission Control Module Replacement

Asked by Erik Nov 13, 2020 at 07:31 AM about the 2003 GMC Yukon XL

Question type: Maintenance & Repair

I am trying to replace my Transmission Control
Module Replacement on my gmc 2003 yukon.
Where is it located?? And also will this help with
my truck not going into gear. It does when i start it
but after that it doesnt

1 Answer
41,220

TDolby answered 4 years ago

Transmission work is best left for the pros. Not going in gear might be something internal to the transmission. Is the TCM new or used? A used one will need to flashed to the vehicle using special software.

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