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 P0880: TCM Power Signal Error Open/Short (GND) >> Component Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Inspection

  1. Ignition "OFF"
  2. Connect KDS/GDS to Data Link Connector (DLC).
  3. Ignition "ON"
  4. Perform each "Shift Control Solenoid Valve" in "Actuation Test  " with KDS/GDS.
  5. Monitor each "Shift Control Solenoid Valve" parameter in "Current Data  " with KDS/GDS.

    Specification  : Refer to Figures below

    G12348186Courtesy of KIA MOTORS AMERICA, INC.
    G12348187Courtesy of KIA MOTORS AMERICA, INC.
    G12348188Courtesy of KIA MOTORS AMERICA, INC.
    G12348189Courtesy of KIA MOTORS AMERICA, INC.
    G12348190Courtesy of KIA MOTORS AMERICA, INC.
    G12348191Courtesy of KIA MOTORS AMERICA, INC.
    G12348192Courtesy of KIA MOTORS AMERICA, INC.
  6. Is 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 as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    • Carefully re-do this troubleshooting guide steps.
    • If problem still occurs, replace PCM/TCM and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.