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Home >> Hyundai >> 2011 >> Genesis 4.6 >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Body Control - Cluster Module Diagnosis >> DTC B1602: CAN Error >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

DTC DETECTING CONDITION AND POSSIBLE CAUSES

Item Detecting Condition Possible Cause
DTC Strategy
  • CAN Communication Check
  • IPM, CLU are not Sleep condition
    1. 1. CAN High Line short to battery
    2. 2. CAN Low Line short to battery
    3. 3. CAN High Line short to ground
    4. 4. CAN Low Line short to ground
    5. 5. CAN High and Low line short to each other
    6. 6. CAN High Line short to 5V power
    7. 7. CAN High Line open
    8. 8. CAN Low Line open
      CAUTION: Under Sleep condition, CAN High Line is 0V and CAN Low Line is battery voltage.
CAUTION
Under Sleep condition, CAN High Line is 0V and CAN Low Line is battery voltage.
Enable Conditions
  • IPM, CLU power on (Under normal communication)
Threshold Value
  • CAN high : 0V or B+
  • CAN low : 0V or B+
Diagnostic Time
  • 2 sec
DTC Erasing Time
  • DTC is erased immediately after trouble fixed
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