CLAAS 768Fh – Claas Tr3 A57 3 Transmission Module: Open Circuit of Automatic Hand Brake Sensor Disengaged

An open circuit has been detected in the automatic hand brake sensor, causing the automatic hand brake to be inactive. This prevents the automatic hand brake from being engaged or disengaged. A release screw can be used to manually disengage the automatic hand brake.

1. 1

   Possible open circuit in the harness of sensor (Z158)

2. 2

   The sensor (Z158)

3. 3

   The “Auto 5” module using tool n° 60 05 033 249

1. 1

   Check the harness of sensor (Z158)

   Inspect the wiring harness connected to the sensor for any signs of damage or disconnection.

2. 2

   Inspect the sensor (Z158)

   Verify the condition of the sensor itself for any physical damage or malfunction.

3. 3

   Test the “Auto 5” module

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