The power door locks may stop working in one or more doors due to a failed actuator. Replacement of the failed actuator should correct this concern.Google+
Car Problem Reports
GMC Jimmy Door Locks Stop Working
GMC Jimmy Problem
Visitor, 1998 GMC Jimmy, 240,000 mi
My power door locks lock and unlock by themselves it has killed one battery and I am on my second one the drivers side door lock doesnt work at all this seems to happen when it rains mostly but now it is doing it whether it rains or not.