The part that failed the first time was transmission module. We were 12-13 hrs from home when 2500 tried to engage 4wd while truck was moving approx 55 mph. While pulling horse trailer. It tried to engage 3 times during repetitive stops along narrow highway. Truck was making loud grinding noise during the attempts to engage 4wd while moving. Truck failure on highway with NO shoulder with NO option but to stop put whole rig in danger of collision. After internet research we pulled appropriate fuse & drove into park. Upon return home 2500 was driven to Russell Barnett Dodge for inspection and repair. Cost to us $721.05 due to no warranty. 4wd service lite appeared while trying to engage. After repair, and approx 200 miles later during an out of state trip pulling horse trailer, the 2500 service lite appeared, and the truck tried to engage 4wd at 65 mph on interstate highway with the same noise. Again pulled fuse and continued trip. We have logged each event with Ram corporate and obtained case numbers. They did not feel this was a safety issue, was not covered under warranty, and our responsibility. So the first repair did NOT work and failed again 2nd time. Ram still would not cover repair & dealer repair shop is saying it-??s a different module. But all symptoms were identical from first event. We feel this is a safety issue - on highways pulling a trailer and potentially becoming a moving obstacle for other drivers if the truck had engaged 4wd at high speed.

- Gurley, AL, USA

The contact owns a 2014 Dodge Ram 2500. While driving 55 mph, the engine turned off and the "put vehicle in park" warning light flashed. The contact also stated that the vehicle was not shifting gears properly. The vehicle was taken to the dealer where it was diagnosed that the tcm flash needed to be updated. The vehicle was repaired. The manufacturer was made aware of the failure. The failure mileage was 2,787. Updated 04/10/15

- Redmond, OR, USA