FixVault

B1603 CAN Communication Bus Off: DTC Detecting Condition

DTC DETECTING CONDITION CHART

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