Hello KenB1023! Insane Audio's JK1001 uses the Torque app which basically displays everything available through your vehicle's OBDII port. You can view and clear engine fault codes and display realtime information including your transmission temp. Some of the other information available to display includes: Acceleration Sensors X Y and Z acceleration sensors Engine Load Percentage load of the engine Engine RPM RPM (Revs per minute) of the engine Fuel Level Percentage of fuel remaining Intake Manifold Pressure Air intake pressure at manifold Mass Air Flow Rate Air intake flow rate measured as mass Throttle Position ECU commanded throttle position (not user commanded) Timing Advance Degrees advance of engine timing Trip Distance Distance travelled since start of app/reset 0-100kph Time Performance counter 0-100 Kilometers per hour timer 0-60mph Time Performance counter 0-60 Miles per hour timer 1/4 Mile time Performance counter quarter mile timer 1/8 Mile Time Performance counter