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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 92 (Smart Key Unit Diagnosis (HEV)) >> DTC B1603: CAN Bus Off >> Scantool Diagnostics >> Monitor Scantool data

Monitor Scantool data

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

■ Check DTC 

  1. Check DTC with scantool.
  2. Check DTC related CAN communication is set on Smartkey Module and every modules.
  3. If there is DTC related Module Check the DTC according to DTC INDEX - SONATA HEV article.
  4. Repair and erase the DTC with Scantool.
  5. Is the DTC erased?

    YES 

    • Check poor connection between harness connector and Smartkey Module or PCM.

    : Thoroughly check the looseness, poor connection, bent, corrosion, contamination, deformation or damage of connector. Repair or replace as necessary Repair" procedure.

    NO 

    • Go to next procedure.
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