Why is my device reporting "Telematics device fault: problem communicating with engine - potential bad install - harness issue or device failure - excessive errors detected on the CAN BUS and it is now in listen only mode"?

Applies To

  • GO device
  • MyGeotab
  • Engine Faults


This fault could potentially indicate a harness or device installation issue. 

Additional Notes

In order to troubleshoot this issue, please refer to the Reseller Troubleshooting Guide (please refer to the Installation or Power Issues section in the GO Device Troubleshooting Matrix). If after completing troubleshooting this fault continues to be reported, please contact Support.