Deutz-Fahr 40: Engine Control Unit Main Relay - Voltage Above Normal Value or Short Circuit to Plus

The engine control unit main relay is experiencing a condition where the voltage is above the normal value or there is a short circuit to plus.

1. 1

   Engine control unit main relay

2. 2

   Voltage levels in the affected circuit

1. 1

   Inspect

   Inspect the engine control unit main relay for physical damage or signs of overheating.

2. 2

   Test

   Test the voltage in the affected circuit to confirm if it is above the normal value or if there is a short circuit to plus.

3. 3

   Replace

   If the engine control unit main relay is faulty or the voltage is abnormal, replace the component identified by this code.