New Holland 19741: ECM/PCM Power Relay Control Circuit Open - Main Relay Open Circuit

The fault code indicates an open circuit in the ECM/PCM power relay control circuit, specifically related to the main relay. This issue prevents the proper operation of the relay, which may affect the power supply to the engine control module.

1. 1

   The wiring and connections associated with the ECM/PCM power relay control circuit

2. 2

   The main relay and its associated circuitry

3. 3

   Fuses related to the ECM/PCM power relay control circuit

1. 1

   Inspect

   Inspect the wiring and connections for the ECM/PCM power relay control circuit for any signs of damage, corrosion, or disconnection.

2. 2

   Test

   Test the main relay and its associated circuitry for proper functionality using a multimeter or diagnostic tool.

3. 3

   Check

   Check the fuses related to the ECM/PCM power relay control circuit to ensure they are intact and functioning.