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Home >> Hyundai >> 2018 >> Kona Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 470 (Dual Clutch Transmission Diagnosis (1 Of 2) - 1.6L) >> DTC P073F-77: Unable To Disengage (Shift) Gear 1 >> Component Inspection >> Component Inspection

Component Inspection

WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect GDS to Data Link Connector (DLC).
  2. Lift vehicle with suitable lift and Engine "ON".
  3. Perform "Engage Odd Gear (1st Gear)" in "Actuation Test" with GDS.
  4. Monitor "Shift Motor 1 Position (Odd Gear Shaft)" in "Current Data" with GDS.

    Specification:  Refer to image below

    G12601581Courtesy of HYUNDAI MOTOR AMERICA
  5. Perform "Lug Alignment", "Gear Actuator Reference Check" in "Actuation Test" with GDS.

    Specification:  Check for operation sound

    G12601582Courtesy of HYUNDAI MOTOR AMERICA
    G12601583Courtesy of HYUNDAI MOTOR AMERICA
  6. Is the measured value within specification?

    YES 

    • Fault might be intermittent and caused either by poor contact in connectors or wiring harness, or it has been repaired and control module memory is not cleared yet. Thoroughly check terminal of battery, all connectors (and connections) for looseness, bending, corrosion, contamination, deterioration, and/or damage.
    • Repair or replace the relevant component(s) as necessary, and go to "VERIFICATION OF VEHICLE REPAIR ".

    NO 

    • If problem still occurs, repair or replace Gear select assembly and then go to "VERIFICATION OF VEHICLE REPAIR " procedure. (Perform "DCT Learning" in "Vehicle S/W Management " with GDS.)
    • Replace "DCT" and then go to "VERIFICATION OF VEHICLE REPAIR " procedure. (Perform "DCT Manual Input Function (Transmission Exchange)" in "Vehicle S/W Management " with GDS.)