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Auto-Start stall?

Tiny
CRAENDOR
  • MEMBER
  • 2018 CHEVROLET MALIBU
  • 1.5L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 38,000 MILES
The car was running fine, no warning lights, came to a stop light and the auto-stop kicked in as usual. Took foot off brake, car shut down and a message about 2 key fobs programmed appeared. Put car in park, started right back up, but blinker click sound is no longer present - blinkers still work, as well as radio and all other dings and beeps.
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Friday, August 25th, 2023 AT 3:32 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,973 POSTS
It sounds like the BCM is going out but to be sure let's do a CAN scan.

You can get a CAN scanner (Controller Area Network) which will work on most cars from Amazon.

Here is a video to show you how:

https://youtu.be/u-4syLc-ifQ

and

https://www.2carpros.com/articles/can-scan-controller-area-network-easy

Here is one for about $99.00 if you need it:

https://amzn.to/3ZixY4v

Here is how to change the BCM out in case a code comes up for it, you can get a preprogrammed unit by searching Google or Ebay. It could be the car needs to be updated as well. Check out the images (below). Please let us know what happens.

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Saturday, August 26th, 2023 AT 12:49 PM

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