1999 Pontiac Montana locks

127,000 MILES • 6 CYL • FWD • AUTOMATIC
Avatar
MONTANA99
  • MEMBER
  • 1 POST
while i am driving the doors start locking and unlocking when i hit a bump
Apr 19, 2010 at 9:41 AM
Avatar
JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,246 POSTS
Either the switch is going bad or the body control module.
Apr 24, 2010 at 5:11 PM
Add a reply
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.

Frequently Asked Problems for This Vehicle