Auto-Start stall?

2018 CHEVROLET MALIBU
38,000 MILES • 1.5L • 4 CYL • 2WD • AUTOMATIC
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CRAENDOR
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  • 1 POST
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.
Aug 25, 2023 at 8:32 AM
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STRAILER
  • ✓Experienced Mechanic
  • 55,560 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

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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Aug 26, 2023 at 5:49 AM
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