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Home >> Kia >> 2013 >> Rio LX, 4D Hatchback, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) >> DTC U0001: High Speed CAN Communication Bus off >> Scantool Diagnostics >> Monitor GDS Data

Monitor GDS Data

  1. Connect GDS to Data Link Connector(DLC).
  2. Warm up the engine to normal operating temperature.
  3. Monitor the "CAN" parameters on the GDS.

    Check the value of current data displayed normally.

    Check "Transaxle Range Switch" and "Torque Required from TCU" parameters among ECU's current data. (AT vehicle only)

    Check "TPS", "RPM", and "Idle Status" parameters among TCU's current data. (AT vehicle only)

    Check "RPM" and "TPS" parameters among ABS's current data. (ABS or ESP vehicle only)

  4. Are the parameters displayed correctly?

    YES 

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

    Go to "TERMINAL AND CONNECTOR INSPECTION " procedure.

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