I have a Bluedriver scan tool in my 09 Sienna. It states that trans temp is not a supported data source. Neither is engine oil pressure or temp. It does support engine coolant temp, fuel trim etc.

Not sure if any other scan tools can give these readings.

 

Thanks Rick, maybe other will say if theirs do or not

 

I don't own one, but I am pretty sure the Scanguage2 can be custom programmed for trans temp.

-Mike

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I have a 2006 sienna and a scan gauge 2. That I use for towing a pop up camper. I am able to read the trans fluid temp after I used a special code. When I checked with the scanguage folks they said there was no code for oil temp/pressure