Applicable Systems
PowerCommand
Symptoms
Warning - CAN communication fault. Communication with the ECU over CAN has been lost.
Possible Causes
- CAN bus cable disconnected or damaged
- ECU communication module failure
Troubleshooting Steps
- Step 1: Check the CAN bus cable and connections
Cable is disconnected or damaged - Step 2: Verify the ECU is powered and communicating
ECU is not responding
How to Reset
To reset: Fix the CAN connection or ECU, then acknowledge the warning.
Source: Cummins Power Generation Control Manual, Cummins Inc.
Category: Generator