Transmission

Asked by Beeman518 Feb 22, 2019 at 09:42 AM about the 2001 GMC Sierra 2500HD 2 Dr SLE 4WD Standard Cab LB HD

Question type: General

Transmission not working

3 Answers
1,635

StraightPipedTesla answered 5 years ago

If it can still drive but it shifts super hard check the fluid but if it doesn't run you sol and you need a new trans my dude.

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Beeman518 answered 5 years ago

Ran fine yesterday, got home, parked it, got in this am, service 4wd light on, all light s lit

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Beeman518 answered 5 years ago

Update, replaced selector switch, still no good, pulled code, was for tccm, bought new tccm, installed. Still no movement, selector switch flashes and thows code for no drive selected.

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