I think there was a change of transmission specs between the 98-99 trucks and the 2000-2004 trucks. IIRC the 98-99 Didn't give you one of the 2 transmission temps. I was the Torque Converter Temp IIRC that it didn't give.
Anyways I have attached my Torque Pro Transmission PIDS here - Here is the formula if you just want to copy it.
Transmission torque pro pin For the first one.
21d9 for both
PAN Temp
((((E*256)+F)*(7/100)-400)/10)
2nd pid
TORQUE CONVERTER PID
((((G*256)+H)*(7/100)-400)/10)
View attachment 3447777
These temp work perfectly good for my 2000 LC/LX as well as my 2007 Tundra.