Hello,
The message shift system fault gets displayed when the transmission is not able to engage park properly. Which will prevent it from starting.
This issue can get triggered due to a malfunction within the transmission control module.
To find out the issue this will require a diagnostics of the transmission module with a vehicle specific scanner.
This will require a trip to the dealer to diagnose and fix.
Since this vehicle is under warranty (with 20,000 miles and 2021), your best option would be to call the dealer and have this towed to them. The tow bill should get covered under warranty as well.
Please let me know if you have any questions.
Thank you.
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Sunday, January 23rd, 2022 AT 12:53 PM