Two problems related to automatic transmission gear indicator have been reported for the 1999 Chevrolet Silverado. The most recently reported issues are listed below.
In cold weather transmission will not shift into 2-3 gear at approximatelly 21 mph. Instead, it will not shift until it reaches 33 mph. Cause unknown.
Vehicle keeps jumping out of gear. Dealer claims it is due to a defective transmission which has been replaced 3 times. Defect keeps reoccurring. Dealer also claims there is no solution. Transmission will eventually fail.