1994 Dodge Ram 2500 Q&A

1994 Dodge Ram 2500 Question: What could cause my standard transmission to gear down on it's own?

When driving on the highway, the transmission will jump from 5th to 4th on it's own. -
Answer 1
Do you have an overdrive switch for this transmission? Is it possible it is shifting out of overdrive? -
Comment 1
Sounds like a synchro gear is bad. -
Answer 2
had same problem and sometimes it took very high rpm s to get it to shift up. took it to a transmission shop they replaced 2 sensors in the transmission. $300 bucks. 2000 miles later it started doing it again..it ended up being the computer (ecm) and i never had that problem again. -
Answer 3
check brake light switch on fuel petal it down shift when you hit brakes -