One problem related to transmission failure has been reported for the 2005 Chevrolet Suburban. The most recently reported issues are listed below.
Transmission failure. As I began accelerating from a stop, in order to make a left turn across opposing traffic lanes, I had a complete failure of forward momentum. The vehicle behind me narrowly missed a rear end accident and opposing traffic was forced to quickly stop as I was left blocking their traffic lane. Vehicle still under warranty with 25,122 miles. Dealer repaired transmission and identified "sprag gear found damaged . . . Clutches also burnt replaced as needed. . . ". Possible tsbs 08-07-30-027.