I have 2001 Dodge Ram 4WD and the trans temp light and od off light come on and off independtly of each other sometimes staying on, going right off, coming on.....it throws me out of OD each time and then it kicks back in....i recently had my transmission flushed and filled thinking it might help...a friend mentioned the sensor may be going bad....

my question is how hard is it to find the sensor and replace it. i'm a girl but not afraid to get dirty but am good enough to be told it's over my head....

if you do know how to fix it could you include a picture of what i may be looking for in the how to......thanks in advance!!!!!

 

Before going after the sensor, have a look at the trans lines up by the radiator. On the line that goes to the lower fitting, there is a metal part about an inch and a half long. That feller is a check valve. They are notorious for clogging up, and not allowing ANY flow, so, your trans gets hot. There are a couple DIY's in the FAQ section for how to eliminate it. I went with the hose, and a couple clamps method, and that works fine.

If that doesn't make a difference.... then ya may wanna go after the temp sensor. I am poking thru the service manual looking for it, but, it isn't jumping up and down screaming HERE I AM!!! So, I am having a bit of trouble finding it.

Welcome to DF!

 

Ah, the temp sensor is part of the pressure sensor. Neat. If you need to change it, it's easy to find.

 

thanks i'm gonna go check that valve out now!

 

Yep, yep. Easy.