When you have no gears at all this is a pressure issue in most all cases. There are times that the shifter is the issue but normally you can put it in manual 1 or 2 and get some gears.
So if you have no gears then that means we need to start with the causes of pressure issues. First is low or no fluid.
https://www.2carpros.com/articles/how-to-check-and-add-transmission-fluid
If the fluid is ok then we need to check the actual pressure because we have either a pump or a leak internally causing the pressure to no build.
If the pressure is ok but still no movement then that would point to a converter issue.
However, let's get the line pressure and go from there.
Please see the attached info and let me know what you find with this.
Thanks
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Saturday, May 28th, 2022 AT 2:06 PM