LEMON Manuals: Even more car manuals for everyone
Home >> Genesis >> 2024 >> GV70 2.5T >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Seat Heater Ventilation Control Unit- Rear Diagnosis >> DTC B1603-00: CAN Bus OFF >> DTC Information And Inspection >> DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

Troubleshooting Condition Possible Cause
Main Action
  • Monitor the CAN communication
  1. Open/Poor Connection both B-CAN High line and Low line
  2. Short-to-Battery both B-CAN High and Low line coincidentally
  3. Short-to-Ground both B-CAN High and Low line coincidentally
  4. Short between B-CAN High line and Low line
Prerequisite Condition
  • Power Voltage: Between 9V and 16V
  • S-CAN communication: Active
Threshold Value
  • Impossible to send B-CAN message
Diagnosis Time
  • 2 sec