The first culprit to suspect when your vehicle refuses to go into gear is low transmission fluid. Perhaps your fluid is leaking or low, and that may cause your car problems having a smooth gear transmission. ... You should be looking out for the level, smell and color of the fluid. If little, try adding some liquid.
How do you reset transmission gears?
https://www.youtube.com/watch?v=yu6WDIWBf3g
What causes a automatic transmission not to shift?
One main reason why the automatic transmission in your car may not be shifting smoothly is the ECM is going bad. It is best to get this checked out by an experienced auto mechanic technician who understands the electrical system. Other indicators include bad connections within, or worn out sensors and faulty solenoids.28 ene 2016