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DTC B1689: CAN Time-Out PDM: DTC Detecting Condition

DTC DETECTING CONDITION CHART

Item Detecting Condition Possible cause
DTC Strategy
  • CAN signal check
  • Poor Connection
  • Power source to Smart Key module
  • Power source to PDM
  • Short to battery in CAN communication line
  • Short to ground in CAN communication line
  • Short between CAN HIGH AND LOW communication line each other
  • Faulty Smart Key Module
  • Faulty PDM
Enable Conditions
  • IG ON
Threshold value
  • No can signal message from PDM for 3 sec.
Fail-safe
  • -
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