Kia Optima Hybrid 2011–2016 — technical service bulletin
Bulletin TSBELE147 · NHTSA communication 10142244 · issued May 17, 2018
Technical service bulletin
communication type
Electrical System
component
2011–2016
model years
6
vehicle entries
Official 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.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.