Hold on. I doubt you have a problem with the Engine Computer. If the engine is running properly and the Check Engine light is not on, chances are it's a code reader problem. We see this complaint here every day that a code reader won't communicate. Sometimes it's due to a blown fuse in the car. Sometimes it's just a software problem. This usually affects simple code readers that typically cost less than $100.00. A full scanner is likely to work. Most people don't have their own because they can cost from $3,000.00 to as much as $10,000.00. If you can find a mechanic who is willing to try his scanner, that will prove this is an application problem with your code reader.
Here's links to some articles you might find useful:
https://www.2carpros.com/articles/how-to-re-program-a-key-remote-fob
https://www.2carpros.com/articles/how-to-reset-a-security-system
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Friday, March 4th, 2022 AT 11:19 AM