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
Chevrolet Astro Door Locks Stop Working
Chevrolet Astro Problem
Average Mileage: 128,095 mi (48,000 mi - 195,000 mi)
Visitor, 2000 Chevrolet Astro, 175,000 mi
driver side electric lock stopped working by remote but lock still works fine with key and manually
frount door locks do not lock with auto key. have to use key to open door. willnot lock either.
Visitor, 1990 Chevrolet Astro, 195,000 mi
door locks dont work
Visitor, 1990 Chevrolet Astro, 98,759 mi
In my 1985 van the sliding side door is where my power lock would fail to unlock occasionally. Solution has been to manually unlock it from inside and then attempt to open.
Visitor, 1999 Chevrolet Astro, 108,000 mi
the button to lock the doors wont sometimes work
Visitor, 2002 Chevrolet Astro
Automatic door locks stop working. Have to use key on all 3 doors. Can get the front passenger door to lock/unlock with the key fob but it doesn't work on the other doors. Back door latch will not work with key or fob.
Door lock switches went bad
Visitor, 2001 Chevrolet Astro, 180,000 mi
not fixed yet.
Visitor, 2001 Chevrolet Astro, 141,000 mi
Same problem with my 2002 astro.
sometimes the doors work fine, but I always use the key to lock to be sure.