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Home >> Hyundai >> 2009 >> Genesis 3.8 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle System (Tb-65/60N) >> Troubleshooting For DTC >> U0001 High Speed CAN Communication Bus off >> Monitor Scantool Data

Monitor Scantool Data

  1. Connect scantool to data link connector (DLC)
  2. Engine "ON".
  3. Monitor the "CAN COMMUNICATION SERVICE DATA (ENGINE RPM, VEHICLE SPEED SENSOR, THROTTLE P. SENSOR)" parameters on the scan tool.
    Fig 1: Input Element Of CAN - Low Speed Driving - Signal Waveform & Data
    G06106796Courtesy of HYUNDAI MOTOR CO.
    Fig 2: Input Element Of CAN - High Speed Driving - Signal Waveform & Data
    G06106797Courtesy of HYUNDAI MOTOR CO.
  4. Does "CAN BUS LINE DATA " follow the reference data?

    YES 

    • Fault is intermittent caused by poor contact in the sensor's and/or TCM (PCM)'s connector or was repaired and TCM (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 VEHICLE REPAIR " procedure

    NO 

    • Go to W/Harness Inspection & procedure
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