CLAAS 75D1h: TR1 (A57-1) Loss of theoretical forward speed information on Powertrain CAN bus or inconsistency with theoretical forward speed sensor
Issue description
The system has detected a loss of theoretical forward speed information on the Powertrain CAN bus or an inconsistency between the information on the Powertrain CAN bus and the theoretical forward speed sensor. This may affect the REH (A58) lifting module and its associated functions.
Check the cause
The theoretical forward speed sensor for TR1 (A57-1)
The Powertrain CAN bus communication related to TR1 (A57-1)
The REH (A58) lifting module and its connection to the system
Repair steps
Inspect the theoretical forward speed sensor for TR1 (A57-1)
Check for physical damage, loose connections, or incorrect installation.
Verify the Powertrain CAN bus communication for TR1 (A57-1)
Use diagnostic tools to confirm signal integrity and data transmission.
Check the REH (A58) lifting module and its associated functions
Ensure the module is properly connected and functioning as intended.
Parts you might need
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