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Home >> Kia >> 2017 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System Diagnosis (3 Of 3) (PHEV) >> DTC U0109-00: Lost Communication With Fuel Pump Control Module >> DTC Inspection >> Monitor KDS/GDS Data
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Monitor KDS/GDS Data

  1. Connect KDS/GDS to Data Link Connector (DLC).
  2. Ignition "ON".
  3. Select correct Vehicle Model, Year, and Engine Type.
  4. Select "Engine", "A/T", "MCU", "BMS" and "ESP", "CLU" system. (1)
  5. Select "Fault Code Searching". (2)
    G12359520Courtesy of KIA MOTORS AMERICA, INC.
  6. Monitor DTCs in selected systems.
    G12359521Courtesy of KIA MOTORS AMERICA, INC.
  7. Does selected system have any CAN related DTCs or failed to communicate via KDS/GDS?

    YES 

    • Repair any CAN related DTCs first and then carefully re-do this troubleshooting guide steps.
    • If problem still occurs, Go to "Wiring Inspection " procedure.

    NO 

    • 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.
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