LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Genesis >> 2021 >> G90 5.0 Ultimate, AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle System Diagnosis >> DTC P0880: TCM Power Input Signal >> DTC Inspection >> Monitor GDS Data
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Monitor GDS Data

  1. Connect GDS to Data Link Connector (DLC).
  2. Ignition "ON".
  3. Monitor "Diagnostic Trouble Codes (DTC)" with GDS.
    G14237793Courtesy of HYUNDAI MOTOR AMERICA
  4. Is DTC status displayed as Present?

    YES 

    NO 

    • Fault might be intermittent caused by poor contact in the sensor's and/or TCM's connector or was repaired and TCM 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.


  1. Connect Data Link Connector (DLC) to GDS.
  2. Check the "Current Data" about related DTC with GDS.
    G14237794Courtesy of HYUNDAI MOTOR AMERICA
  3. Are the parameters displayed correctly?

    YES 

    • Fault might be intermittent caused by poor contact in the sensor's and/or TCM's connector or was repaired and TCM 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