Door Locks

1999 CHEVROLET SUBURBAN
198,654 MILES • 7.4L • V8 • 4WD • AUTOMATIC
Avatar
SUNDOWN.57
  • MEMBER
  • 2 POSTS
All of a sudden with the switches there is no response. With the remote, it works fine. Back window, notta, needs key.
Sep 3, 2016 at 9:24 PM
Advertisement
Avatar
HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
check tosee if switches are getting and sending power if not they may be bad, then get scanned for codes by a mechanic.
Sep 4, 2016 at 8:14 AM
Avatar
SUNDOWN.57
  • MEMBER
  • 2 POSTS
It is a 99. Scanner is not any help.
Sep 4, 2016 at 2:01 PM
Avatar
HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
there is a door lock module at rear of truck to operate door locks. check fuse 13 in passenger area and door lock relay in center of dash if all that stuff is good along with first reply get scanned by a mechanic auto parts scanner are unable to pick up anything other than eng/trans codes. very few will pick up some abs codes.
Sep 4, 2016 at 3:31 PM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.