U1437 Code on 2011 ram 3500 6.7 cummins

[TTKC]

2011 dodge ram 3500 cab/chassis model

So recently took truck in. I bought a brand new TCM and had it installed and programmed back on the truck. This was because of a bunch of codes popping on the truck.
It fixed them all except one and we're at a loss here now.

Code still popping is U1437. This code is TCM related. It pops up as "U1437 IMPLAUSIBLE INTAKE AIR TEMPERATURE MESSAGE RECEIVED".

Cool so I replaced the air temp sensor. Didn't remove the code. Did a little more research on that code and found that it could also mean "
transmission temperature sensor and transmission fluid temperature sensor performance detections".

I guess I can't exactly get a solid answer on what the U1437 code means and what to do next.

Anyone had this issue?

 

[GTyankee]

https://www.engine-codes.com/u1437.html

 

[04fxdwgi]

Was the new sensor a Mopar one or after market? Rams don't like aftermarket sensors.

If it was an OEM sensor, I would start tracking down wiring / connector problems. When checking each connector from the sensor to the ECM, look for corrosion , loose / bent pins in the connectors.

 

[TTKC]

Was the new sensor a Mopar one or after market? Rams don't like aftermarket sensors.

If it was an OEM sensor, I would start tracking down wiring / connector problems. When checking each connector from the sensor to the ECM, look for corrosion , loose / bent pins in the connectors.

It was a Mopar sensor and the TCM was from Mopar as well.