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Home >> Hyundai >> 2021 >> Veloster 2.0, Automatic Trans >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Head Up Display Diagnosis >> DTC B1603-00: CAN BUS Off >> DTC Information And Inspection >> DTC Setting Condition

DTC Setting Condition

Trouble shooting Condition Possible Cause
Main Action
  • Check CAN communication
  1. Open/Poor Connection both C-CAN High line and Low line
  2. Simultaneous Short-to-Battery both C-CAN High line and Low line
  3. Simultaneous Short-to-Ground both C-CAN High line and Low line
Prerequisite Condition
  • IG key "ON"
  • C-CAN communication is operating
Threshold Value
  • Impossible to send C-CAN message
Diagnosis Time
  • 2 sec
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