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2025
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Kona Limited, 4WD
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Repair and Diagnosis
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Transmission
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Transmission Control Systems
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4WD Control Diagnosis
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DTC P1957-21: AWD Pressure Sensor-Signal Error
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DTC Inspection
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Backup and input learning value when replacing AWD ECU
Backup and input learning value when replacing AWD ECU
Connect GDS to Data Link Connector (DLC).
Using GDS, delete the DTC.
Select "backup and input learning value" in the SW Management.
Courtesy of HYUNDAI MOTOR AMERICA
Courtesy of HYUNDAI MOTOR AMERICA
Courtesy of HYUNDAI MOTOR AMERICA
Courtesy of HYUNDAI MOTOR AMERICA
Courtesy of HYUNDAI MOTOR AMERICA
Courtesy of HYUNDAI MOTOR AMERICA
Courtesy of HYUNDAI MOTOR AMERICA
Courtesy of HYUNDAI MOTOR AMERICA
OK
"Final DTC Checking"
procedure.