LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Kia >> 2017 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle System Diagnosis (PHEV) >> DTC P0721: Output Speed Sensor Circuit Range/Performance >> DTC Inspection >> Monitor KDS/GDS Data
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Monitor KDS/GDS Data

  1. Ignition "OFF"
  2. Connect KDS/GDS to Data Link Connector (DLC).
  3. Refer to LIFT AND SUPPORT POINTS and lift vehicle with suitable lift.
  4. Engine "ON"
  5. Place gear lever position to "D" and Turn "OFF" TCS/ESC (ESP) system.
  6. Monitor "Output Speed (PG-B)", "Shift Lever Switch", "Vehicle Speed" and "Engine RPM" parameter in "Current Data  " with KDS/GDS.

    Specification  : Refer to Figure below

    G12348076Courtesy of KIA MOTORS AMERICA, INC.
  7. Is displayed parameter 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 as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO