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Home >> Kia >> 2015 >> Optima Hybrid >> Repair and Diagnosis >> Brakes >> Parking Brake System >> Electric Parking Brake Diagnosis - Optima HEV >> DTC C1642: CAN Signal Error ESC (ESP) >> DTC Inspection >> Monitor GDS Data

Monitor GDS Data

  1. Connect Data Link Connector (DLC) to GDS.
  2. Check "Diagnostic Trouble Codes (DTC)" about ESC using GDS.
    Fig 1: Select System Screen - ABS/ESC
    G00548768Courtesy of KIA MOTORS AMERICA, INC.
  3. ESC system about related DTC exist?

    YES 

    • Repair according to DTC diagnostic guide of ESC system.

    NO 

  4. Check the "Current Data" about related DTC with GDS (ESC).
    Fig 2: Wheel Speed Sensor Waveforms
    G00549249Courtesy 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 

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