Massey Ferguson 004340.03: DEF Suction Supply Pipe Heater Resistance Is High

The resistance in the DEF suction supply pipe heater is higher than expected, which may affect the proper operation of the system. This condition is detected by the ECU.

1. 1

   The resistance of the DEF suction supply pipe heater

2. 2

   The wiring and connections related to the DEF suction supply pipe heater

1. 1

   Measure the resistance of the DEF suction supply pipe heater

   Use a multimeter to measure the resistance of the component. Compare the reading to the specifications provided in the service manual.

2. 2

   Inspect the wiring and connections

   Check for any damage, corrosion, or loose connections in the wiring and connectors associated with the DEF suction supply pipe heater.