Case IH DCU19084: Voltage supply 3 -Coolant control valve and reverting valve (UB3) electrical short circuit to ground

The fault code indicates an electrical short circuit to ground in the voltage supply 3 circuit for the coolant control valve and reverting valve (UB3). This may cause improper operation or failure of the affected components.

1. 1

   The wiring and connections related to the voltage supply 3 circuit for the coolant control valve and reverting valve (UB3)

2. 2

   The insulation of the wiring for the coolant control valve and reverting valve (UB3)

3. 3

   The grounding points for the voltage supply 3 circuit

1. 1

   Inspect

   Inspect the wiring and connections for the voltage supply 3 circuit for the coolant control valve and reverting valve (UB3) for damage, wear, or loose connections.

2. 2

   Test

   Test the insulation of the wiring for the coolant control valve and reverting valve (UB3) to ensure there is no short to ground.

3. 3

   Repair

   Repair or replace any damaged wiring, connections, or grounding points identified during inspection and testing.