That depends a little bit on 'how wrong' the fluid was. You may or may not experience any symptoms of problems right away, but over the long term, the transmission, or at least some of it's parts, seals, or sensors will be damaged.
Have the transmission drained, flushed, and refilled with correct fluid immediately.
6 quarts transmission fluid
You have to remove the pan to drain the fluid.
its ethier transmission or 75w90 fluid you need to call dodge and ask
Mopar ATF+4
Same place you check the fluid level.
through the filler tube
Mopar ATf+4
12-15 quarts
Where I work it costs $99.00.
Mopar ATF+4
4 quarts.
It uses ATF+4 transmission fluid