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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 92 (Smart Key Unit Diagnosis (HEV)) >> DTC B1689: CAN Time-Out PDM >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

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Item Detecting Condition Possible Cause
DTC Strategy
  • Check CAN message status going to PDM
  1. Check PDM installation
  2. Check fuses related to PDM
  3. Check open in CAN High/Low at PDM
  4. Check open in CAN High Low at SMK
Enable Conditions
  • SMK IGN ON or Engine ON
Threshold value
  • No can signal message from PDM for 3 sec.
Diagnostic Time
  • Right after DTC detected
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