P1BA7 on the 2017 Hyundai Sonata
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| 5NP-X4Q7Y-01 | 2018-01-16. Service bulletin. 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). |
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1 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.