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Home >> Hyundai >> 2017 >> Azera Base >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Body Control Module Diagnosis >> DTC B1689-00: CAN Timeout Between SMK And PDM >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • CAN Comm. Check (IPM ↔ PDM (SMARTKEY UNIT))
  1. IG ON
    1. No receiving CAN Data owing to BUS OFF (Check CAN BUS ERROR DTC is being)
    2. IPM CAN High/Low Lines open together
    3. Check PDM (SMARTKEY UNIT)-(Including the related fuses)
    4. PDM (SMARTKEY UNIT) CAN High/Low Lines open
Enable Conditions
  • IPM power on
Threshold Value
  • No message from PDM (SMARTKEY UNIT) to IPM for 10 sec.
Diagnostic Time
  • 10 sec.
DTC Erasing Time
  • DTC is erased immediately after receiving data from PDM (SMARTKEY UNIT)
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