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Home >> Hyundai >> 2021 >> Ioniq Hybrid SEL >> Repair and Diagnosis >> Brakes >> Traction Control >> ESC/AHB Diagnosis (HEV) >> DTC C1643-08: CAN Time-Out Yaw Rate & G Sensor >> Component Inspection

Component Inspection

  1. Connect GDS and select "Diagnostic Trouble Codes (DTCs)" mode.
  2. IG "ON".
  3. Using a GDS, Clear DTC.
  4. IG "OFF".
  5. Disconnect ECU's connector connected to CAN bus.
  6. IG "ON".
  7. Connect GDS and select "Diagnostic Trouble Codes (DTCs)" mode.
  8. Are any DTCs present?

    YES 

    • Go to step  1 of the component inspection and disconnect another ECU's connector connected to CAN bus in step 5.
    • Repeat above step until test completed on all ECU in CAN bus.
    • If DTC is present after above test, Substitute with a known-good SRSCM and check for proper operation. If problem is corrected, replace SRSCM and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    * In a case of replacing the SRSCM, follow the replacement procedure of the DTC B1620 (Internal fault-Replace SRSCM) of the SRSCM and then perform "longitudinal G sensor Calibration" in "Vehicle S/W Management" menu of the GDS. (DBC/HAC only, refer to C1285 )

    NO 

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