What was the issue? Im having the exact same promblem I need help on 2005 Ford F-150

My ford f 150 is slipping gears the trans fault just came on and also the check engine light it just never switches gears it not drivable now

Asked by for the 2005 Ford F-150
have a free diag at aamco but get several opinions b4 you get repaired
What is aamco??
What is aamco??
aamco transmissions it a chain of repair shops
Ohh alright