For those of you that do not know how to setup the custom PID for the rear differential coupling temperature you can follow the instructions below. You will need an Android device to utilize the Torque Pro app. The Torque Pro app is $4.95 and can be downloaded from the Google Play store. We had to purchase an Android tablet to be able to use the Torque Pro app, since it does not work for iPhones. Here is a link to the tablet we purchased: Samsung Tablet ($159, Best Buy) You will also need a...