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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 U0046-87: Vehicle Communication Bus CAN3 >> 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
  • Check the voltage
  1. Poor connector connection
  2. Faulty CAN communication circuit
  3. Faulty gear actuator assembly
Enable Condition
  • Battery voltage is above 10V
  • 500 ms elapsed from Ignition "ON"
Threshold Value
  • When TCM receives timeout message from GAM
Detecting Time
  • 2.1s
MIL ON Condition
  • 2 driving cycles
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