July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

DTC U0100-00(VSA Control Unit): Notes

DTC U0100-00 : CAN Communication Failure with ECM/ISU

How to use this manual .

NOTICE:

Before you troubleshoot, review the How to Troubleshoot .

NOTE:

DTC may be stored if PCM does not start normally.
DTC may be stored due to the power/ground circuit failure of the PCM. Before this troubleshooting, check the power/ground circuit of the PCM first.