How to troubleshoot Siemens Control Unit Can Chip Passive Warning?
- AAmy SaundersSep 18, 2025
To troubleshoot a Can Chip Passive Warning in the Siemens Control Unit: * Check and correct, if required, the most significant digit of P2041.04 (baud rate) for every bus node. * Check the cable connection between bus nodes. * Check cable shielding. * Replace the CANopen module.














