LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hyundai >> 2017 >> Azera Base >> Repair and Diagnosis >> Steering >> Steering Column >> Steering Column Module Diagnosis >> DTC B1603-00: CAN Bus Off >> General Information >> DTC Detecting Condition
April 5, 2026: LEMON Manuals is launched! Read the announcement.

General Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • CAN Communication Check
  1. IPM and SCM are not Sleep condition
  1. CAN High and Low Line short to ground coincident
  2. CAN High and Low Line short to battery coincident
Enable Conditions
  • IPM and SCM power on
Threshold Value
  • CAN High/Low: 0V or B+
Diagnostic Time
  • Immediately
DTC Erasing Time
  • DTC is erased immediately after trouble fixed