16 charger haveing slips

i have a 2016 dodge charger v-6, its hard cranks before it turns over and when it does it does not want to accelerate past 2nd gear, i have replace the spark plugs and ignition coils aswell as one of the crankshaft position sensors, any input would be greatly apricated

Will it Rev up in neutral? Have you scanned for any codes? Autoparts will for free. Post the codes here, the numbers, not what they tell you.

The code reader gave me p0335,u1424,p0300, it reeaves but just wont shift past 35mph