Case IH ATC133: Low Pressure Switch Input Shorted to Ground

The low pressure switch input is experiencing a short to ground, which may cause improper operation of the system it is monitoring. This fault is detected by the controller and is indicated by the fault code ATC133.

1. 1

   The low pressure switch wiring

2. 2

   Connections to the low pressure switch

3. 3

   The circuit path to ground

1. 1

   Inspect the wiring of the low pressure switch

   Check for any damage, wear, or exposure that could cause a short to ground.

2. 2

   Test the low pressure switch connections

   Ensure all connections are secure and free from corrosion or looseness.

3. 3

   Verify the circuit path to ground

   Use a multimeter to check for unintended continuity between the low pressure switch input and ground.