No first gear and overdrive

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suspensefilms

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Hallo Group

I have 2001 Chevy Tahoe LT 4X4 actualy i have two of them,
one feels it has no 1st gear not too pwerfull,and no overdrive i cant spped up more than 100 miles rpm hits 3000 as if i have it on low gear,i do have check engine light on i scanned it
and its transmision code,i was told its transmision module electric part,the question is i do not wana rebuilt the whole transmision if its an electric part only,or should i rebuilt it all,it shifts smooth,can u plz help
thanks

Fred
 

d1mebag

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I am 99.9% sure it is ur 1-2 shift solenoid...The part is like 40 dollars but unless u have alot of knowledge with transmissions, I would suggest a shop doing it... u have to drop the trans pan... the shift solenoid 1-2 controls ur 1st gear and overdrive...ur shift solenoid 3-4 controls 2nd and 3rd gear...
 
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