Deutz-Fahr 1914: DEF Quality Sensor Fault

The fault code indicates an issue with the DEF quality sensor, specifically a short circuit to battery or a cable break. This may affect the proper monitoring of the DEF tank temperature.

1. 1

   DEF quality sensor wiring

2. 2

   DEF quality sensor connection

3. 3

   cable integrity

4. 4

   battery voltage presence in the circuit

1. 1

   Inspect

   Inspect the wiring and connections of the DEF quality sensor for damage, corrosion, or loose contacts.

2. 2

   Test

   Test the cable for continuity and check for a short circuit to battery using a multimeter.

3. 3

   Replace

   If a fault is found, replace the damaged cable or the DEF quality sensor as necessary.