CLAAS 7F2Dh: Theoretical speed sensor module 1

The harness between the speed sensor module 1 and the DBD is disconnected or damaged, leading to a loss of signal from the theoretical speed sensor module 1.

1. 1

   The connection between the speed sensor module 1 and the DBD

2. 2

   The integrity of the harness between the speed sensor module 1 and the DBD

3. 3

   The condition of the TR1 module and its connection to the DBD

1. 1

   Inspect the harness

   Check the harness between the speed sensor module 1 and the DBD for any signs of damage, disconnection, or wear.

2. 2

   Verify connections

   Ensure that the connection between the speed sensor module 1 and the DBD is secure and properly seated.

3. 3

   Test the signal

   Use a diagnostic tool to verify if the theoretical speed sensor module 1 is sending a signal to the DBD.