CLAAS 788Ah: Communication Failure in CAN Bus Network

The fault code indicates a communication issue within the CAN bus network of the CLAAS vehicle. The problem may involve the bus CAN network communication module BDG (A103), the instrument panel module DBD (A101), or the external function module EXT (A62).

1. 1

   The CLAAS vehicle CAN bus network

2. 2

   The bus CAN network communication module BDG (A103)

3. 3

   The instrument panel module DBD (A101)

1. 1

   Inspect

   Inspect the CAN bus network for physical damage, loose connections, or corrosion.

2. 2

   Test

   Test the bus CAN network communication module BDG (A103) for proper functionality.

3. 3

   Test

   Test the instrument panel module DBD (A101) for proper functionality.