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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 U0293: Lost Communication With Hybrid Powertrain Control Module (C-CAN) >> W/Harness Inspection >> Notes

W/Harness Inspection: Notes

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Fig 1: Identifying Power Relay Assembly
G10607107Courtesy of HYUNDAI MOTOR AMERICA
  1. Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
  2. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
  3. Has a problem been found?

    YES 

    NO 

    • Go to "CAN Communication Circuit Inspection" procedure.