# Door locks don't work in hot weather **URL:** \ **Category:** Maintenance/Repairs\ **Created:** [August 21, 2014, 4:19pm UTC](https://community.cartalk.com/t/door-locks-dont-work-in-hot-weather/86738 "2014-08-21T16:19:58Z")\ **Posts on this page:** 5\ **Page:** 1
**Author:** ![medtechleah](https://avatars.discourse-cdn.com/v4/letter/m/bcef8e/32.png) [@medtechleah](https://community.cartalk.com/u/medtechleah)\ **Post date:** [August 21, 2014, 4:19pm UTC](https://community.cartalk.com/t/door-locks-dont-work-in-hot-weather/86738/1 "2014-08-21T16:19:58Z")
2008 Chevy Equinox. Front two doors won’t lock or unlock with remote when it is hot out. Just started within the last month or so. What causes this? And more important, how do I fix it? ---
**Author:** ![shadowfax](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/shadowfax/32/13026_2.png) [@shadowfax](https://community.cartalk.com/u/shadowfax)\ **Post date:** [August 21, 2014, 6:41pm UTC](https://community.cartalk.com/t/door-locks-dont-work-in-hot-weather/86738/2 "2014-08-21T18:41:11Z")
So the back doors still work, or you haven’t checked? ---
**Author:** ![knfenimore](https://avatars.discourse-cdn.com/v4/letter/k/9fc348/32.png) [@knfenimore](https://community.cartalk.com/u/knfenimore)\ **Post date:** [August 21, 2014, 6:41pm UTC](https://community.cartalk.com/t/door-locks-dont-work-in-hot-weather/86738/3 "2014-08-21T18:41:34Z")
Could be the BCM. Computers are temp sensitive. ---
**Author:** ![Tester](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/tester/32/15976_2.png) [@Tester](https://community.cartalk.com/u/Tester)\ **Post date:** [August 22, 2014, 1:48am UTC](https://community.cartalk.com/t/door-locks-dont-work-in-hot-weather/86738/4 "2014-08-22T01:48:38Z")
GM has issued a Technical Service Bulletin #07-08-47-004A that may be related to the door lock problem. Poor Body Control Module grounds can damage the BCM, and/or cause intermittent operation of the following: \*Interior lighting \*Remote keyless entry system \*Door locks \*Power windows/mirrors There’s a specified procedure for testing the grounds for the BCM. Tester ---
**Author:** ![the\_same\_mountainbike](https://avatars.discourse-cdn.com/v4/letter/t/c89c15/32.png) [@the\_same\_mountainbike](https://community.cartalk.com/u/the_same_mountainbike)\ **Post date:** [August 22, 2014, 9:00am UTC](https://community.cartalk.com/t/door-locks-dont-work-in-hot-weather/86738/5 "2014-08-22T09:00:12Z")
Have you tried changing the battery in the remote?