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.
Car Problem Reports
GMC Safari Door Locks Stop Working
GMC Safari Problem
Average Mileage: 136,555 mi (87,000 mi - 274,000 mi)
Visitor, 2003 GMC Safari, 90,000 mi
door locks driver/passenger side stopped working. rear door lock clicks on and off until speed exceeds 45 mph.
Visitor, 2000 GMC Safari, 123,000 mi
door locks stop working.... dutch door won't open even with key.
Visitor, 1999 GMC Safari, 90,000 mi
drivers side won't lock all doors, passenger front will.
Visitor, 1991 GMC Safari, 180,000 mi
Door locks shorting out. Draining Batt. Disconnected switches.
Visitor, 1995 GMC Safari, 140,000 mi
door Locks stop working in both sides can't open too!
Visitor, 2001 GMC Safari
At around 32000 miles three of the five door locks quit working. Now at 190000 miles none of them work. I lock the doors the old fashioned way, with the key.