Case IH 18370: Rolling counter failure (PB_UserCmd1_Full_06)

A receiving module detected that the rolling counter in the PB_UserCmd1_Full_06 message is out of sequence, missing, or erratic, indicating an intermittent connection on the CAN bus, high bus load, or a software/hardware issue.

• MAXXUM T4E
• VESTRUM CVX

1. 1

   Check the CAN bus load using a diagnostic scan tool to ensure the network is not overloaded.

2. 2

   Inspect the CAN bus wiring harness and connectors for the affected modules for intermittent connections, corrosion, or short circuits.

3. 3

   Check the power and ground circuits for the modules communicating on this specific CAN channel.

4. 4

   Verify if there are any software updates available for the machine's ECUs, as rolling counter errors can sometimes be resolved by flashing updated module software.

1. 1

   Repair wiring

   Repair any damaged CAN wiring or connectors.

2. 2

   Update software

   Update the module software.

3. 3

   Replace module

   Replace the faulty transmitting module.