GMC Sierra owners have reported 2 problems related to transmission not go into gear (under the power train category). The most recently reported issues are listed below.
Transmission went out while consumer was traveling at 55mph, and then vehicle slowed down, and could not shift gears anymore. Vehicle was undriveable.
See
all problems of the 1998 GMC Sierra
🔎.
Transmission did not start in 1st gear after complete, resting stop. Potential issue of not being able to avoid imminent danger in traffic due to lack of power.
See
all problems of the 1999 GMC Sierra
🔎.