outside temp. that is what it means it is not a trick .
OC means Outside Cabin.
If you mean converted: 8.6 oF and -13 oC.
Delta T (oC) =Inlet Temperature (oC) -outlet temperature (oC)
They were trying to write 100o C, or 100 degrees Celsius.
OC stands for Open Circuit. This indicated that the outside temperature sensor has malfunctioned and must be replaced. It is a plug and play job. The sensor is located about midline of the truck and the harness plug can be seen going to it in front of the grill at the top with the hood open. www.trailvoy.com All the answers for your Trailblazer from true enthusiasts.
OC stands for Open circuit and means you must replace the sensor mounted at the front of the truck. Easy fix as it is in the middle of the truck by the hood latch in front of the radiator. It has a connector inline.
Wiring
This is the measured temperature in oC, oF or K.
Because 0 oC is a lower value (cooler) than 20 oC - 25 oC (room temperature)
The sensor has failed, OC means out of calibration, in the case of sensor not working, or the plug got damaged. Sensor is typically in front of the radiator someplace in or near the bumper.
The temperature is 60,3 oC.
The temperature is 1050 oC.