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Home >> Kia >> 2016 >> Optima SX Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 108 (Engine Control System Diagnosis - 1.6L (2 Of 3) - Optima (Except HEV)) >> DTC P0504: Brake Switch "A"/"B" Correlation >> DTC Inspection >> Monitor KDS/GDS Data

Monitor KDS/GDS Data

WARNING: This page is about a different variant/trim than selected.
  1. Connect KDS/GDS to DLC (Data Link Cable).
  2. Warm up the engine to normal operating temperature.
  3. Check the "Current Data" about related DTC with KDS/GDS.
    Fig 1: Display - Brake Pedal Current Data Screen
    G11833890Courtesy of KIA MOTORS AMERICA, INC.

    A: Step on the brake pedal

    B: Step off the brake pedal

  4. Are the parameters displayed correctly?

    YES 

    • Fault is intermittent caused by poor contact in the sensor's and/or PCM's connector or was repaired and PCM 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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