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Home >> Kia >> 2016 >> Optima Hybrid >> Repair and Diagnosis >> Brakes >> Parking Brake System >> Electric Parking Brake Diagnosis (HEV) >> DTC C1646: CAN Signal Error TCU >> DTC Inspection >> Monitor GDS Data

Monitor GDS Data

  1. Connect Data Link Connector(DLC) to GDS.
  2. Check "Diagnostic Trouble Codes (DTC)" about AT using GDS.
    Fig 1: Scantool Display - AT System Selected
    G11822367Courtesy of KIA MOTORS AMERICA, INC.
  3. AT system about related DTC exist?

    YES 

    • Repair according to DTC diagnostic guide of AT system.

    NO 

  4. Check the "Current Data" about related DTC with GDS.
    Fig 2: Scantool Display - Normal Current Data (Shift Lever Switch)
    G11822368Courtesy of KIA MOTORS AMERICA, INC.
  5. Are the parameters displayed correctly?

    YES 

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

    • Go to Terminal And Connector Inspection procedure below.
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