Case IH ATC118: Outside Air Sensor Shorted to Ground

The fault code indicates that the outside air sensor is experiencing a short to ground. This condition can affect the proper operation of the system relying on this sensor.

1. 1

   The wiring and connections of the outside air sensor

2. 2

   The integrity of the sensor itself

3. 3

   The circuit for the outside air sensor

1. 1

   Inspect the wiring and connections of the outside air sensor

   Check for any damage, corrosion, or loose connections that could cause a short to ground.

2. 2

   Test the outside air sensor

   Use a multimeter to check for continuity or resistance values that indicate a short to ground.

3. 3

   Replace the outside air sensor if necessary

   If the sensor is confirmed to be faulty, replace it with a compatible component.