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My remote start recently stopped working on my 2015 Traverse. The fob still works and the lights flash the same as usual. Standing outside of the car you can hear what sounds like a gear trying to start it but it doesn’t turn over. I have no CEL on. Has anyone experienced this and had any resolution? I’ve read through the forum and the other posts haven’t helped and seem to be a possible separate issue. Any help appreciated. Thanks.
 

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Go to your engine fuse box, look for the relay named CRNK.
Then look for the rear defogger relay... or similarly # labeled relay.
The number is stamped on top.
Swap them and see what happens.

I had the remote start lights flash, and a click.
One time had the click, and then, whirr whirr vroom.
Lead me to believe contacts inside the relay were bad.

Once swapped... it was fine.
 

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How old is your battery? If weak they can key start but not remote start.
 
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