One problem related to transmission slip out of gear has been reported for the 2004 Dodge Ram 2500. The most recently reported issues are listed below.
: the contact stated the vehicle inadvertently shifts out of gear while in park. There is a NHTSA recall # 05v462000 concerning the automatic transmission on this vehicle, however the recall repair was not performed. The recall repair includes an out-of-park alarm, but this does not stop the transmission from shifting. The contact determined this would not correct the problem. The vehicle was not seen by a dealer.