Transmission & overdrive issues.

[Vinosh]

After vehicle is warmed up, when driving over 50 mph, transmission seems to hard shift in and out of overdrive. Doesn't seem to do it much below 50 mph. Seems its more often going uphill. Any ideas?

 

[BrooklynBay]

Welcome to this forum! Do you have a check engine light with a trouble code? How many miles does it have? When was the last time you replaced the fluid & filter?

 

[Blue coyote]

Check the adjustment of the "TV" cable (kickdown)

 

[mmerlinn]

I had a shifting/lockup problem on inclines recently and just last week finally solved the problem.

Read this thread to see if it helps you solve your problems.