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Home >> Kia >> 2012 >> Optima LX, Automatic Trans >> Repair and Diagnosis >> Brakes >> Traction Control >> Electronic Stability Control System Diagnosis - Except HEV >> DTC C1237: Primary Pressure Sensor-Signal >> General Information >> GDS Data Analysis
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

GDS Data Analysis

  1. Connect GDS to Data Link Connector. (DLC)
  2. IG "ON" & ENG "ON".
  3. Press the brake pedal.
  4. Monitor the "PRESSURE SENSOR" parameter on the Current Data menu of the GDS
  5. Specification : 

    Approx. 60bar ~150bar (There is difference in displayed parameter according to braking force)

    Fig 1: Scantool Display - Brake Pressure Sensor
    G00535601Courtesy of KIA MOTORS AMERICA, INC.
  6. Whenever brake pedal is pushed down, is the pressure sensor's GDS data changed ?

    YES 

    Fault is caused by having been repaired and HECU memory was not cleared.

    Clear the DTC and then go to "Verification of Vehicle Repair" procedure.

    NO 

    Go to next step.