New Holland 3399: Fuel Pump Relay Drive Fault

The system has detected a fault related to the drive function of the fuel pump relay. This may prevent the fuel pump from operating correctly, affecting engine performance.

1. 1

   The fuel pump relay

2. 2

   The wiring connected to the fuel pump relay

3. 3

   The power supply to the fuel pump relay

1. 1

   Inspect

   Inspect the fuel pump relay for signs of damage or wear.

2. 2

   Test

   Test the fuel pump relay for proper operation using a multimeter or diagnostic tool.

3. 3

   Check

   Check the wiring and connections to the fuel pump relay for continuity and proper seating.

4. 4

   Verify

   Verify the power supply to the fuel pump relay is stable and within specifications.