It sounds like the fluid level is low which is an easy check. Here is guide to help you with instructions in the diagrams below to show you how for your car:
https://www.2carpros.com/articles/how-to-check-and-add-transmission-fluid
AUTOMATIC TRANSMISSION 4T45-E
Bottom Pan Removal .................... 6.5 liters (6.9 qts)
Complete Overhaul .................... 9.0 Liters (9.5 qts)
Dry .................... 12.2 Liters (12.9 qts)
Measurements are approximate
This guide can help as well:
https://www.2carpros.com/articles/automatic-transmission-problems
Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.
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Saturday, June 4th, 2022 AT 10:48 AM