We have an 02 Traiblazer with 30,000 miles on it. Lately the transmission has be shifting from 2 wheel into AWD without turning the knob. Sometimes the indicator light flickers like it is going to change, and then doesn't. We have taken it to the dealer, and they are telling us that their computer program has not been updated to diagnose this problem. We have contacted Chevy, and we are waiting for them to finish their research on the problem. Has anyone out there experienced a similar problem? I love the vehicle, but this is getting ridiculous, and I'm worried about the wear and tear on not only the transmission, but my tires and gas mileage as well. Thanks!
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