Three problems related to automatic transmission park/neutral start switch have been reported for the 1997 GMC Sierra. The most recently reported issues are listed below.
Three year old son was able to shift vehicle out of park and caused vehicle to roll into house. Dealer/ manufacturer were not notified at this time. Feel free to provide any further information on this matter.
Transmission kicks at slow speeds not all the time, dealer changed computer module did not reslove the problem dealer would not garrantee transmission replacement, GMC asked about recalls but I did not receive a repy appears to be faulty trans electical part.
When gears are shifted from first to second vehicle jerks, as if being rear ended. Dealer says there is a bad valve body in transmission. Dealer has seen vehicle 3 times. No solution found.