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Home >> Hyundai >> 2020 >> Tucson Ultimate, 4WD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> 4WD Control Diagnosis >> DTC P0602: Control Module Programming Error >> DTC Information And Inspection >> DTC Setting Condition

DTC Setting Condition

Trouble shooting Condition Possible Cause
Main action
  • Monitor inside the 4WD ECM
  1. 4WD ECM
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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