Intermittent Odometer and Gear selection malfunctioning?

This happens when the instrument cluster shorts out causing the PCM to change gears unexpectedly. to be sure we can do a CAN scan which should pull up a code. you can get a CAN scanner (Controller Area Network) from Amazon from about $32.00.

Here is a video to show you how:

https://youtu.be/u-4syLc-ifQ

and

https://www.2carpros.com/articles/can-scan-controller-area-network-easy

Amazon CAN scanner link:

https://amzn.to/3sX8MCX

Here is how to change the cluster out which you can get a rebuilt unit for by searching Google or eBay. Check out the images (below). Let us know what happens and please upload pictures or videos of the problem.