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Home >> Kia >> 2017 >> Rio EX, 4D Hatchback >> Repair and Diagnosis >> Brakes >> Traction Control >> Electronic Stability Control Diagnosis >> DTC C1542: Brake Circuit Error >> Scantool Diagnostics >> Monitor GDS Data

Monitor GDS Data

  1. Connect scantool to Data Link Connector (DLC).
  2. IG "ON".
  3. Press the brake pedal.
  4. Monitor the "Brake Light Switch" parameter on the GDS.
    Fig 1: Screen Display - Current Data
    G11851744Courtesy of KIA MOTORS AMERICA, INC.
  5. Whenever Brake pedal is pushed down, is the brake lamp switch's GDS data changed ON/OFF?

    YES 

    • Fault is intermittent caused by poor connection in brake light switch line and/or HECU's connector or was repaired and HECU memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

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