Massey Ferguson 004334.03: DEF System Pressure Sensor Voltage High

The ECU has detected a high voltage signal from the DEF System Pressure Sensor. This may indicate an issue with the sensor or its associated circuit.

1. 1

   The wiring and connections to the DEF System Pressure Sensor

2. 2

   The voltage output of the DEF System Pressure Sensor

3. 3

   The ECU for potential faults or errors

1. 1

   Inspect

   Inspect the wiring and connections to the DEF System Pressure Sensor for damage, corrosion, or loose connections.

2. 2

   Test

   Test the voltage output of the DEF System Pressure Sensor using a multimeter to confirm if it is exceeding expected values.

3. 3

   Check

   Check the ECU for any additional fault codes or errors that may be related to the DEF System Pressure Sensor.