John Deere 004366.16: DEF Tank Temperature High. Heater Solenoid Valve Issue

The system has detected a high temperature in the DEF tank, indicating a potential issue with the heater solenoid valve. This may affect the proper operation of the DEF heating system.

1. 1

   Heater solenoid valve

2. 2

   DEF tank temperature sensor

3. 3

   wiring and connections related to the heater solenoid valve

1. 1

   Inspect

   Inspect the heater solenoid valve for signs of damage, blockage, or improper operation.

2. 2

   Test

   Test the heater solenoid valve for proper function using the appropriate diagnostic tools.

3. 3

   Check

   Check the wiring and connections to the heater solenoid valve for continuity and proper seating.