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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) >> W/Harness Inspection >> Notes

W/Harness Inspection: Notes

WARNING: This page is about a different variant/trim than selected.
Fig 1: Caution - Remove Ignition Key And 12V Ground Cable, Shut OFF Main Switch
G10607019Courtesy 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