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Home › Kia › 2009 › Borrego Limited, RWD › Repair and Diagnosis › Body & Frame › Ignition Switch/Steering Lock › Button Engine Start System › PDM (Power Distribution Module) › B1603 CAN Bus off › DTC Detecting Condition

B1603 CAN 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
  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.
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