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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 56 (Low Dc/Dc Converter Diagnosis (HEV)) >> DTC U0001: High Speed CAN Communication Bus Off (C-CAN) >> Scantool Diagnostics

Scantool Diagnostics

WARNING: This page is about a different variant/trim than selected.

■ Check DTC 

  1. Connect GDS and check DTCs.
  2. Check for CAN communication DTCs between LDC and each module.
  3. If there any module related DTCs, check those DTC(s) first.
  4. Erase the DTC after inspection and repair has done.
  5. Is the DTC erased?

    YES 

    • Check connectors of each Modules 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 procedure.