CLAAS 7717h – Claas Eng A15 Engine Module: Fault Code 7717h - Communication error on the Powertrain CAN bus. Module 2

A communication error has occurred on the Powertrain CAN bus. The engine remains in idle speed. This issue is related to the Powertrain CAN bus network, the TR2 (A57-2) module, and the engine module ENG (A15).

1. 1

   The Powertrain CAN bus network

2. 2

   The TR2 (A57-2) module

3. 3

   The engine module ENG (A15)

1. 1

   Inspect

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

2. 2

   Test

   Test the TR2 (A57-2) module for proper functionality using the appropriate diagnostic tools.

3. 3

   Verify

   Verify the functionality of the engine module ENG (A15) and ensure it is properly communicating on the CAN bus.