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Home >> Hyundai >> 2021 >> Elantra SE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 36 (Dual Clutch Transmission Diagnosis - 1.6L (Except HEV) (3 Of 3)) >> DTC U0001-88: CAN Communication Bus Off >> DTC Information And Inspection >> DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

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Trouble Shooting Condition Possible Cause
DTC Strategy
  • CAN Communication Monitoring
  1. Poor Connector Connection
  2. Faulty C-CAN Communication Circuit
  3. 120Ω resistance (BCM, ECM)
Enable Condition
  • Battery voltage is higher than 10V
  • 0.5s after ignition "ON"
Threshold Value
  • CAN BUS OFF is detected
Detecting Time
  • 1s
Fail Safe
  • Inhibited learning control
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