John Deere 001058.04: Low Voltage On Air Brake Pressure Switch Main Control Module

The system detects low voltage on the air brake pressure switch within the main control module (CCU). This may indicate an issue with the power supply or wiring related to the air brake pressure switch.

1. 1

   Power supply to the main control module

2. 2

   Wiring and connections to the air brake pressure switch

3. 3

   Voltage levels at the main control module

1. 1

   Check

   The power supply to the main control module for proper voltage.

2. 2

   Inspect

   The wiring and connections to the air brake pressure switch for damage or looseness.

3. 3

   Measure

   Voltage levels at the main control module using a multimeter.