DTC Troubleshooting: U0100-00 (VSA Control Unit): Notes

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

How to use this service information .

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.