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Home >> Genesis >> 2021 >> G70 2.0T, AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle System Diagnosis >> DTC P0721-00: Output Speed Sensor Circuit Range/Performance >> DTC Inspection >> Monitor GDS Data

Monitor GDS Data

  1. Connect Data Link Connector (DLC) to GDS.
  2. Check the "Current Data" about related DTC with GDS.
    G14180300Courtesy of HYUNDAI MOTOR AMERICA

    Fig.1) Input/output speed sensor Current Data - idling status.

    G14180301Courtesy of HYUNDAI MOTOR AMERICA

    Fig.2) Input/output speed sensor Current Data - Running status.

  3. Are the parameters displayed correctly?

    YES 

    • Fault might be intermittent caused by poor contact in the sensor's and/or ECU's connector or was repaired and ECU memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

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