Service bulletins for the 2015 Hyundai Sonata
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
303 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: 12-volt battery are shown. Show all
| 19-HC-002H | 2019-09-30. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This bulletin provides instructions for a Battery Management System (BMS) software update to optimize DTC P1B70 - HEV Battery Voltage Too Low diagnostic control logic. |
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| 19-EE-003H | 2019-05-20. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. The following summarizes the service procedures for Lithium Battery replacement: |
| 5NP-E2C3Q-09 | 2017-09-14. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This bulletin provides information on how to return a Hyundai HEV/PHEV/EV/Fuel Cell Lithium Battery for proper disposal and safe environmental recycling using Hyundai?s authorized vendor Kinsbursky Brothers Inc. (KBI). |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.