A 2006 Dodge Stratus uses Mopar ATF+4.
You have to remove the oil pan to drain the fluid.
Mopar ATF + 4
Check the fluid, check for codes.
A Dodge Stratus shifting problem might begin because of dirty transmission fluid. This problem could also be caused by damage to the transmission due to wear and tear or low fluid.
Yes, that is the proper fluid.
You add it down the dipstick tube.