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Home >> Hyundai >> 2011 >> Genesis Coupe 3.8 >> Repair and Diagnosis >> Electrical >> Starter >> Button Engine Start System >> PDM (Power Distribution Module) >> DTC B1603: CAN Bus Off >> DTC Detecting Condition
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DTC B1603: CAN Bus Off: DTC Detecting Condition

DTC DETECTING CONDITION CHART

Item Detecting Condition Possible Cause
DTC Strategy
  • CAN Communication Check
  • BCM, PDM 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
  • BCM, PDM power on
Threshold Value
  • CAN High/Low: 0V or B+
Diagnostic Time
  • Immediately
DTC Erasing Time
  • DTC is erased immediately after trouble fixed.
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