Case IH 15980 - 13 - CSM – Cab Suspension Module (CSM): Cab suspension communication fault - cab suspension communication fault with vehicle controller

The module responsible for managing the tractor's semi-active or active cab suspension system has lost communication or is receiving invalid data signals from the main vehicle controller (Body Control Module) over the CAN bus network.

• MAGNUM AFS Connect
• Magnum 180
• Magnum 200
• Magnum 220
• Magnum 240
• Magnum 250
• Magnum 280
• Magnum 310
• Magnum 340
• Magnum 380

1. 1

   Check the current software versions of both the Cab Suspension Module (CSM) and the Body Control Module (BCM) for available updates

2. 2

   Inspect the CAN bus communication lines between the CSM and the BCM for chafed wires, loose pins, or corrosion

1. 1

   Connect diagnostic tool

   Connect the Case IH Electronic Service Tool (EST) to the tractor's diagnostic port.

2. 2

   Update software

   Flash/update the Cab Suspension Module (CSM) and Body Control Module (BCM) with the latest software versions.

3. 3

   Test and repair wiring

   If software updates do not restore communication, perform a continuity test on the CAN bus wiring harness between the CSM and the vehicle controller. Repair any broken or shorted wires.

4. 4

   Replace module

   If the wiring is intact and the software is up to date, the Cab Suspension Module (CSM) itself may have suffered an internal failure and will need to be replaced and reprogrammed.