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Home › Hyundai › 2020 › Santa Fe SE, AWD › Repair and Diagnosis › Transmission › Automatic Trans › 4WD Control System Diagnosis › DTC P0602: Control Module Programming Error › DTC Information And Inspection › DTC Setting Condition

DTC Setting Condition

Trouble shooting Condition Possible Cause
Main action
  • Internal monitoring of the 4WD ECM
  1. 4WD ECM
  2. ECU Connector
  3. Wire harness
Prerequisite condition
  • Turn the ignition switch on or start the engine
Threshold value
  • The ECU H/W has a defect
Diagnosis time
  • Immediately
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