Check the Dipstick on Ram Trucks
This bulletin applies to 2018 RAM 2500 and 3500 trucks, built on Oct. 11, 2017 and equipped with a 6.7L Cummins turbo diesel engine and 6-speed automatic 68RFE transmission. The wrong transmission oil dipstick may have been installed.
Inspect the dipstick for P/N 53034117AB. If the dipstick does not have this specific part number, replace with the correct dipstick 53034117AB.