hello. i recently jumped into my 2017 express 2500 4.8L van and couldnt get it into any forward drive gears. only reverse. ive never had noises or shifting issues with my transmission. everything been running smooth.
i also had no codes. anybody ever experience this? please let me know

thanks

 

Did you check the fluid and it's level?

 

yes i did. fluid is pink and topped up to proper levels