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November 8, 2023 Service bulletin

BMS software logic improvement for DTC P1BB2 (SA553)

Kia technical service bulletin TSB_ELE318 for 2023-2024 Kia Niro and 2023-2024 Kia Sportage Hybrid.

Bulletin number
TSB_ELE318
Component
Electrical system
Summary
TECHNICAL SERVICE BULLETIN: SERVICE ACTION: BMS SOFTWARE LOGIC IMPROVEMENT FOR DTC P1BB2 (SA553) - This bulletin provides information to upgrade the Battery Management System (BMS) software logic on certain 2023-2024MY Niro HEV (SG2 HEV) vehicles produced from June 21, 2022 through February 6, 2023, and 2023-2024MY Sportage HEV (NQ5 HEV) vehicles produced from February 15, 2022 to October 28, 2023, which may exhibit a “Check Hybrid System” message displayed on the instrument cluster with DTC P1BB2 stored. This condition may occur when the vehicle is exposed to high heat/hot weather environments.

Owners of these vehicles have filed 59 complaints in the electrical category.

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