Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
Welcome, I'm Chris (aka Moose). I'm here to help 365 days a year, but not every hour of the day. I try to prevent delays as much as possible. Please understand I am not there and can only advise based on what you tell me. Let's get started.
Is this a no crank or no start issue, you mentioned both?
When it will not crank, is the theft light on or flashing with the key on?
Have you tied reprogramming the keys to the vehicle?
Have you by chance scanned it to see if there are codes stored?
Do you know those code numbers?
The BCM is a possible cause for both issues the starting concern and the door ajar sensor concern. I would need those codes to further diagnose and pinpoint this prior to parts replacement.
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Hello Chris here again,
I am checking in to make sure you got everything you expected from my answer. If not please reply so we can resolve your issue together.