Question about 2001 GMC Yukon XL
I have the above listed vehicle, it currently has 59,000 miles on it, recently
I have been experiencing a problem when the vehicle reaches speeds of 65mph or higher. The rpm gauge that normally read 2400 now reads 3500-4000rpm's. I am thinking that there is a problem with the overdrive as it appears it is not shifting into overdrive at these higher speeds. The vehicle functions normally at lower speeds. I have had no other problems with this vehicle and it normally sits in my driveway unless I am traveling long distances or going on vacation. Before I take it to a transmission shop and have to fork over big cash, knowing what is wrong with it and an approx. repair cost would put my mind at ease.
It sounds like it may be an electrical problem. Maybe a problem with the TCM, or a sensor.
Posted on Mar 09, 2009
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Posted on Jan 02, 2017
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