CLAAS 75C4h – Claas Tr1 A57 1 Transmission Module: High Current Measured on Forward Gear Solenoid Valve Return

The actual current measured on the return of the forward gear solenoid valve is higher than the setpoint. This condition triggers an audio warning and requests an

1. 1

   The solenoid valve power supply harness for a possible 12 V short circuit

2. 2

   The resistance of the solenoid valve winding

1. 1

   Inspect

   Check the solenoid valve power supply harness for a possible 12 V short circuit.

2. 2

   Measure

   Measure the resistance of the solenoid valve winding.

3. 3

   Test

   Use tool n° 60 05 033 249 to test the “Auto 5” module and replace it if required.