CLAAS 76A7h – Claas Reh A58 Lifting Module: Fault in Lifting Module REH (A58) - No Engine Running Information on Powertrain CAN Bus or Missing D+ Load Signal

The REH (A58) lifting module is not receiving engine running information on the Powertrain CAN bus, or the information is incorrect. Additionally, the alternator’s D+ load signal is missing. This results in the lifting system being inactive.

1. 1

   The Powertrain CAN bus network

2. 2

   The TR2 transmission module (A57-2)

3. 3

   The engine module ENG (A15)

4. 4

   The lifting module REH (A58)

1. 1

   Inspect the Powertrain CAN bus network

   Check for any faults or disruptions in the Powertrain CAN bus network.

2. 2

   Verify the TR2 transmission module (A57-2)

   Ensure the TR2 transmission module is functioning correctly and communicating properly.

3. 3

   Check the engine module ENG (A15)

   Confirm that the engine module is transmitting correct engine running information.

4. 4

   Test the lifting module REH (A58)

   Ensure the lifting module is receiving and processing signals correctly.