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September 1, 2011 Service bulletin

Hyundai: software update information relating to six controllers: ECM, TCM, hcu, mcu, BMS and ldc is being...

Hyundai technical service bulletin TSB-11-01-031 for 2011 Hyundai Sonata.

Bulletin number
TSB-11-01-031
Component
Electrical system: software
Summary
Hyundai: software update information relating to six controllers: ECM, TCM, hcu, mcu, bms and ldc is being provided.

Owners of these vehicles have filed 444 complaints in the electrical category.

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