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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 57 (Engine Control System Diagnosis (2 Of 2) (HEV)) >> DTC U1001: High Speed CAN Communication Bus (H-CAN) >> Scantool Diagnostics >> GDS Diagnostics

GDS Diagnostics

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

■ Check DTC 

  1. Check DTC with scantool.
  2. Check that DTC related H-CAN communication is set between HCU and Each Module.
  3. If there any DTC related Module, check the DTC 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.
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