Massey Ferguson 004354.04: DEF Suction Supply Pipe Heater Relay Issue

The fault code indicates a problem with the relay that controls the heater for the DEF suction supply pipe. This issue may affect the proper operation of the heating system for the DEF supply pipe, potentially leading to performance or operational issues.

1. 1

   The relay associated with the DEF suction supply pipe heater

2. 2

   The wiring and connections to the relay

3. 3

   The power supply to the relay

1. 1

   Inspect

   Inspect the relay associated with the DEF suction supply pipe heater for signs of damage or failure.

2. 2

   Test

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

3. 3

   Check

   Check the wiring and connections to the relay for corrosion, looseness, or damage.