Duramax Diesels Forum Truck of the Week
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Old 07-11-2018, 06:38 AM
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06gmc 06gmc is offline
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Join Date: Jun 2017
Location: SWMO
Posts: 54

Default TCM swap

So I'll try and be detailed as possible.. a couple weeks ago I was driving home and heard a rubbing noise sounded like my new tires were rubbing the valance so I paid no mind.. well come to find out it wasn't my tires it was my TCM now this is wreaking havoc on me.. truck is now stuck in 4th gear and won't come out.. shop I took it to pulled the pan and valve body. Cleaned it good and put a new shift solenoid in. No prevail. Now the shop is telling me I need a new TCM. What is the best way about replacing it? Go used? New? I was told that they can't find one that matches my truck perfectly? I'm at a lose for words on this thing and it's been two weeks of my truck being down.. please any insight helps.

2006 gmc w/ 215,xxx on the clock
Full delete with Idaho rob tunes
2006 2500HD LLY
Tuned by Idaho Rob
S&B Cold Air
Full Delete
5in Straight Pipe
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