Quote:
Originally Posted by GMCjet52
I'm working on a friends 2000 4x4 Automatic Blazer. The truck won't shift unless you tap the gas when it's ready to change gear and reverse doesn't work at all.
He's on the verge of buying a junkyard tranny, I told him it might be an electrical problem since the tranny is a 4l60.
Has anyone had this problem?
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Any check engine or transmission lights on?
Needs to be put on a good transmissionn/engine capable scanner and codes and info read out.
Could be a engine sensor or transmission sensor problem.
Post back any code no.