# 2015 Chevrolet Impala locks cycle rapidly **URL:** \ **Category:** Maintenance/Repairs\ **Tags:** chevrolet, impala\ **Created:** [May 18, 2021, 1:57pm UTC](https://community.cartalk.com/t/2015-chevrolet-impala-locks-cycle-rapidly/176907 "2021-05-18T13:57:51Z")\ **Posts on this page:** 5\ **Page:** 1
**Author:** ![bunny48](https://avatars.discourse-cdn.com/v4/letter/b/e19adc/32.png) [@bunny48](https://community.cartalk.com/u/bunny48)\ **Post date:** [May 18, 2021, 1:57pm UTC](https://community.cartalk.com/t/2015-chevrolet-impala-locks-cycle-rapidly/176907/1 "2021-05-18T13:57:51Z")
1 door locks cycle rapidly, vehicle in park running for several min. pressing lock/unlock does not stop and pressing lock/unlock on remote does not stop cycling. intermittent. 2 backing out of drive, turning or sometimes going straight from from stop makes grinding noise like abs cycling. intermittent flash in dash screen traction control/stability control makes a clunk noise and 1/2 2/3 shift seam harsh. 80,000 miles trans fld clean and red. ---
**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:** [May 19, 2021, 12:50am UTC](https://community.cartalk.com/t/2015-chevrolet-impala-locks-cycle-rapidly/176907/2 "2021-05-19T00:50:08Z")
A bad BCM can cause that. > **[5 Common Symptoms of a Failing Body Control Module (BCM) - Module Experts](https://moduleexperts.com/5-common-symptoms-failing-body-control-module-bcm/)** > > If your BCM malfunctions, you will notice a negative effect on the operation of your vehicle. Watch out for these symptoms. Tester ---
**Author:** ![monkarl](https://avatars.discourse-cdn.com/v4/letter/m/919ad9/32.png) [@monkarl](https://community.cartalk.com/u/monkarl)\ **Post date:** [May 19, 2021, 6:27am UTC](https://community.cartalk.com/t/2015-chevrolet-impala-locks-cycle-rapidly/176907/3 "2021-05-19T06:27:15Z")
Could be a loose wire or bad ground somewhere. ---
**Author:** ![Cavell](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/cavell/32/43396_2.png) [@Cavell](https://community.cartalk.com/u/Cavell)\ **Post date:** [May 19, 2021, 2:07pm UTC](https://community.cartalk.com/t/2015-chevrolet-impala-locks-cycle-rapidly/176907/4 "2021-05-19T14:07:27Z")
Or a twisted/broken wire bundle going thru door jamb. ---
**Author:** ![eddo](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/eddo/32/2594_2.png) [@eddo](https://community.cartalk.com/u/eddo)\ **Post date:** [May 19, 2021, 5:56pm UTC](https://community.cartalk.com/t/2015-chevrolet-impala-locks-cycle-rapidly/176907/5 "2021-05-19T17:56:47Z")
do you have a sunroof? some Chevy’s with sunroofs have issue with the sunroof drain coming off and water running down the door jamb. On the drivers side there is a ton of electronics that can get wet and act up.