One problem related to transmission not go into gear has been reported for the 2001 Chevrolet Tahoe. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2001 Chevrolet Tahoe based on all problems reported for the 2001 Tahoe.
I was traveling out of town in my 2001 cheverolet Tahoe when the transmission started "slipping" it would not chg past 2nd gear. I had less than 55,000 miles. It cost me $500 bec I wanted another gm transmission and not the transmission the warranty was offering with only 12000 miles.