Originally Posted by Eddie Longest
Scan Guage II should be able to do it. I just programmed it to monitor Super Duty truck transmission temp. I am going to program it to monitor my Highlander transmission fluid temp. so I can change and check the fluid level.
IDK about Honda but Toyota would not release the PIDs to mere mortals so when I did had the Torque app is was based on leaked info and required a custom setting and equation. The temps looked about right to me but I was never 100% sure.