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July 8, 2026 Service bulletin

Bsa replacement (PI2603Y)

Kia technical service bulletin PI2603Y_TSB for 2020-2021 Kia Niro EV.

Bulletin number
PI2603Y_TSB (PI2603Y)
Component
Electrical system
Summary
TECHNICAL SERVICE BULLETIN: BSA REPLACEMENT (PI2603Y) - This bulletin provides information related to the Technical Service Bulletin previously published under PI2603, titled “BMS Battery Diagnostic Logic Improvement.” If one or more of the Diagnostic Trouble Codes (DTCs) listed in the bulletin are present or stored after the Battery Management System (BMS) software upgrade has been performed per PI2603, follow the procedure outlined in this publication to replace the Battery System Assembly (BSA) on the applicable vehicle.

Owners of these vehicles have filed 6 complaints in the electrical category.

Vehicles covered

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