CLAAS 769Ch – Claas Tr3 A57 3 Transmission Module: Short-circuit to ground of the front PTO engaging solenoid valve

A short-circuit to ground has been detected in the front PTO engaging solenoid valve. This may cause the front PTO to stop operating. The issue could be due to an open circuit in the solenoid valve supply harness or a short circuit to earth on the solenoid valve.

1. 1

   The solenoid valve supply harness (Y326) for an open circuit

2. 2

   The solenoid valve (Y323) for a short circuit to earth

1. 1

   Inspect

   Check the solenoid valve supply harness (Y326) for any signs of damage or an open circuit.

2. 2

   Inspect

   Check the solenoid valve (Y323) for any signs of damage or a short circuit to earth.

3. 3

   Use

   Use the “Auto 5” module with tool number 60 05 033 249 to diagnose and, if required, replace the faulty component.