CLAAS 78B6h: Transmission module TR2 (A57-2) 4 wheel drive disconnected

The fault code indicates that the 4 wheel drive system has been disconnected. This is related to the transmission module TR2 (A57-2). The issue may involve the affected circuit or the component identified by this code.

1. 1

   The connection and integrity of the transmission module TR2 (A57-2)

2. 2

   The status of the 4 wheel drive system

3. 3

   The affected circuit or the component identified by this code

1. 1

   Inspect

   Inspect the transmission module TR2 (A57-2) for any visible damage or disconnection.

2. 2

   Test

   Test the 4 wheel drive system to confirm the disconnection and identify any related faults.

3. 3

   Consult

   Consult the service manual for further diagnostic procedures specific to the transmission module TR2 (A57-2).