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May 17, 2018 Service bulletin

TSB - BMS logic improvement for DTC P1B70

Kia technical service bulletin TSBELE147 for 2011-2016 Kia Optima Hybrid.

Bulletin number
TSBELE147
Component
Electrical system
Summary
TSB - BMS LOGIC IMPROVEMENT FOR DTC P1B70 - This bulletin provides the procedure to improve the logic of the Battery Management System (BMS) on some 2011-2016MY Optima Hybrid (TF HEV) vehicles, produced from February 15, 2011 through July 22, 2015, which may experience a malfunction indicator light (MIL) illumination with DTC P1B70 even though there is no actual malfunction.

Owners of these vehicles have filed 65 complaints in the electrical category.

Vehicles covered

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