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Hyundai TSB #TSB-11-01-031

2011 Hyundai Sonata

Summary: HYUNDAI: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SOFTWARE UPDATE INFORMATION RELATING TO SIX CONTROLLERS: ECM, TCM, HCU, MCU, BMS AND LDC IS BEING PROVIDED. *PE UPDATED 12/6/11. *PE

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