CAN Bus Communication Fault

What does 34 mean?

This fault indicates that a message sent on the CAN bus was not acknowledged by any other device. This typically points to an issue with the bus configuration, a missing device, or an addressing conflict.

• Communication failure on the Controller Area Network (CAN) bus.
• Lost connection to a CAN-enabled device.
• CRC errors or bus-off condition on the CAN network.

Click steps to track your progress.

1. 1

   Verify that at least one other device is present on the CAN bus.

2. 2

   Ensure all devices on the CAN bus have unique and correct configurations, including node IDs and baud rates.