CLAAS 7714h: Torque Curve Selection Information Not Received or Incorrect on Powertrain CAN Bus

The ENG (A15) engine module is not receiving torque curve selection information from the Powertrain CAN bus, or the information received is incorrect. As a result, the Claas Sequence Management is inactive, and the lowest power curve is selected by default.

1. 1

   Powertrain CAN bus communication

2. 2

   Torque curve selection signal source

3. 3

   ENG (A15) engine module functionality

1. 1

   Verify Powertrain CAN bus connectivity

   Check for proper connections and integrity of the Powertrain CAN bus wiring and communication.

2. 2

   Inspect torque curve selection signal source

   Ensure the device or system providing torque curve selection information is functioning correctly.

3. 3

   Test ENG (A15) engine module

   Confirm the ENG (A15) engine module is operating as expected and receiving data from the Powertrain CAN bus.