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DTC B1603: CAN Bus Off: 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
  • Short to battery in CAN HIGH LOW or ground simultaneously.
  • Faulty Smart Key Module
Enable Conditions
  • IG ON
Threshold value
  • CAN communication Error for 2 sec.
Fail-safe
  • -
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