HELP
 

Here goes. Trans was rebuilt along with a slew of other things. When we put the trans back in we also put a new pcm in the truck and had a local dealer flash it. The flash took but the truck is throwing the dtc code PO118. This is an ECT sensor. when it throws the code it keeps the truck from shifting into first gear. The truck will take off in second gear. I am looking for some insight here. I have the sensor, but have not installed. The truck isn't supposed to have one. Will the installation of this sensor make my problem go away? If it will, do i have to install it in the side of the block or can i put it in a easier to reach location? Am i on the right track here? I got the truck hopeing that i could fix the issue. I have always loved diesels. Any help you guys can provide me would be greatly appreciated.
:argh:

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Sorry i guess i should tell everyone what it is that im working on. 1996 dodge ram 2500 automatic 4x4 5.9 12v.

i don't know but i would call one of the tranny shops on here