Deutz-Fahr P202C-12: DEF Tank Heating Valve - Short Circuit to Battery (High Side)

The fault code indicates a short circuit in the DEF tank heating valve circuit, specifically a short to the battery on the high side. This condition may cause improper operation of the DEF tank heating valve or damage to the electrical system.

1. 1

   The wiring and connections associated with the DEF tank heating valve

2. 2

   The DEF tank heating valve itself for signs of damage or shorting

3. 3

   The circuit for continuity and insulation integrity

1. 1

   Inspect

   Inspect the wiring and connections of the DEF tank heating valve for damage, wear, or improper connections.

2. 2

   Test

   Test the DEF tank heating valve for continuity and insulation resistance using a multimeter.

3. 3

   Replace

   If a fault is found, replace the DEF tank heating valve or repair the affected circuit as needed.