New Holland 1139 – ARM: Engine Brake Switch Failure

The Engine Brake switch is not functioning properly, which may affect the operation of the braking system. This fault code indicates a failure in the component responsible for signaling the brake status.

1. 1

   Engine Brake switch

2. 2

   wiring connections to the Engine Brake switch

3. 3

   controller input for the Engine Brake switch

1. 1

   Inspect

   Check the physical condition of the Engine Brake switch for damage or wear.

2. 2

   Test

   Verify the functionality of the Engine Brake switch using a multimeter or diagnostic tool.

3. 3

   Replace

   If the Engine Brake switch is confirmed faulty, replace it with a compatible component.

4. 4

   Verify

   After replacement, confirm that the fault code is cleared and the system operates correctly.