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November 12, 2018 Service bulletin

This bulletin provides information related to a BMS (Battery Management System) ECU software update that...

Hyundai technical service bulletin 5NP-S6S9Z-12 for 2015-2017 Hyundai Tucson and 2011-2015 Hyundai Sonata Hybrid.

Bulletin number
5NP-S6S9Z-12
Component
Electrical system: software
Summary
This bulletin provides information related to a BMS (Battery Management System) ECU software update that must be performed after replacing a high voltage Lithium Battery in a Sonata HEV (YF HEV) or Tucson Fuel Cell Electric Vehicle (LM FCEV).

Owners of these vehicles have filed 421 complaints in the electrical category.

Vehicles covered

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