Hyundai Sonata 2016–2017 — technical service bulletin
Bulletin 5NP-X4Q7Y-01 · NHTSA communication 10127010 · issued Dec 21, 2017
Technical service bulletin
communication type
Hybrid Propulsion System
component
2016–2017
model years
2
vehicle entries
Official summary
Some 2016-2017MY Sonata Plug-In Hybrid vehicles may develop a Check Hybrid System Light On with the DTC P1BA7 DTC found stored in the Battery Management System (BMS).
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.