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Home >> Hyundai >> 2025 >> Kona Limited, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 1.6 (2 Of 2) >> DTC U2003-00: Invalid Data Received From CVVD Motor Control Module >> DTC Information And Inspection >> DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

Troubleshooting Condition Possible Cause
Main Action
  • Check on a CAN communication
  1. Poor contact of connector
  2. CAN Bus - Open or short circuit
  3. Continuous Variable Valve Duration (CVVD)
Prerequisite Condition
  • Turn ignition switch ON
  • Normal battery voltage (10 to 16V)
Threshold Value
  • When CAN bus error is detected at least three
Diagnostic Time
  • 2s
MIL
  • 1 driving cycle
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