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Home >> Hyundai >> 2021 >> Elantra N Line, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 37 (Engine Control System Diagnosis - 2.0L (Except HEV) (6 Of 6)) >> DTC U0402-00: Invalid Data Received From TCM >> DTC Information And Inspection >> DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

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Item Detecting Condition Possible Cause
DTC Strategy
  • CAN Message Monitoring
  1. Poor connector connection
  2. Faulty P-CAN communication circuit
  3. Faulty PCM
Enable Condition
  • Battery voltage is greater than 9V
  • Delay time after ignition switch on is more than 0.5 seconds
Threshold Value
  • An invalid data is received from TCM
Diagnostic Time
  • Continuous
MIL ON Condition
  • 2 driving cycles
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