New Holland 15553 – New Holland Steering Controller: Pump driver relay open circuit

The fault code indicates an open circuit in the pump driver relay, which is also referred to as the secondary steering pump contactor relay. This issue prevents the relay from functioning properly, potentially affecting the operation of the steering system.

1. 1

   The pump driver relay

2. 2

   The secondary steering pump contactor relay

3. 3

   The wiring and connections associated with the relay

1. 1

   Inspect

   Inspect the pump driver relay and the secondary steering pump contactor relay for visible damage or signs of failure.

2. 2

   Test

   Test the pump driver relay and the secondary steering pump contactor relay for proper operation using a multimeter or diagnostic tool.

3. 3

   Check

   Check the wiring and connections associated with the pump driver relay and the secondary steering pump contactor relay for continuity and proper seating.