Hello, if you have an AutoZone or other auto parts store near you, stop in there and they can scan the engine computer for diagnostic trouble codes stored. Write down all the codes they find, it will be a letter followed by 4 numbers, (ie P0445 as an example). Then let us know what they are and we can look them up and try to help you figure out what's going on with the vehicle.
There might be an issue with the transmission range switch or module, giving incorrect data to the engine computer, it might not be seeing that the vehicle is in Drive at some points. But make sure to write everything down, even if it doesn't seem relevant.
There is a Transmission Shift Lever Position indicator module which is on one of the vehicles data networks, it communicates on the Lin Serial Data Bus 2 network, so this module might be failing, or have a wiring issue near the shifter, has anything been spilled in the area around the shifter, or center console?
Does this shifting issue happen in Reverse as well?
Is this vehicle a Hybrid as well?
https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing
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Tuesday, October 3rd, 2023 AT 9:49 AM