cost of replacing solenoid in transmission and how do you know if need to repair on 2005 Jeep Liberty

car goes in reverse but loses power when going forward need to stop car then it will move again for about 3 minutes engine light is also on

Asked by for the 2005 Jeep Liberty
seek a free diag and est from aamco then shop prices. does your drive train fall under the 10yr 100k mile warranty?