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Home >> Hyundai >> 2017 >> Sonata Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 42 (Engine Control System Diagnosis - 2.0L (2 Of 3) (Except HEV)) >> DTC P0237: Turbocharger/Supercharger Boost Sensor 'A' Circuit Low >> DTC Inspection >> GDS data analysis

GDS data analysis

WARNING: This page is about a different variant/trim than selected.
  1. Connect GDS and select "Current Data" mode
  2. Warm up the engine.
  3. Monitor the parameters related to DTC on the "Current Data" menu of the GDS below.
    Fig 1: Scantool Display - Pressure Values At Engine Stall
    G11991695Courtesy of HYUNDAI MOTOR AMERICA
    Fig 2: Scantool Display - Waveform Of Turbo Charger Boost Pressure Review At Acceleration
    G11991696Courtesy of HYUNDAI MOTOR AMERICA
  4. Is parameter displayed within specifications?

    YES 

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

    • Go to next step.