One problem related to transmission failure has been reported for the 2008 Chevrolet Tahoe. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2008 Chevrolet Tahoe based on all problems reported for the 2008 Tahoe.
Vehicle's autostop feature is extremely dangerous when driver is trying to apply the brakes and slow vehicle. Vehicle jolts violently forward upon breaking and accelerates to 10 mph. Vehicle's transmission failed at 135k miles during stop at traffic light in hayward CA in Dec 2018. Transmission was rebuilt. Vehicle at 145k miles now is completely shutting down during auto stop with low rpm's without any service codes to check. At all times vehicle is in drive.