It sounds like the battery is bad to me even though it passed the test, can I ask if you see or hear anything that is still on when the keys are out of the car? Also, I would check around the car to see if you can feel something that is warm or hot because this will drain power. Where power is being sent will be warm. Please check the alternator for warmth (engine cold). With the battery charge do this this to see if the battery passes.
https://www.2carpros.com/articles/car-battery-load-test
Also, this guide can help as well:
https://www.2carpros.com/articles/car-battery-dead-overnight
If you can't find anything and the battery is good, we should 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
Please go over these guides and get back to us.
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Friday, September 29th, 2023 AT 11:56 AM