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Service bulletin 19-EE-003H

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10160148
Published by NHTSA2019-05-20
Manufacturer's number19-EE-003H
Manufacturer's date2019-04-23
NHTSA componentELECTRICAL SYSTEM:12V/24V/48V BATTERY

NHTSA's summary

The following summarizes the service procedures for Lithium Battery replacement:

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, 12-volt battery

Vehicles listed
HYUNDAI IONIQ HYBRID2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
HYUNDAI IONIQ PLUG-IN HYBRID2019 (the catalog's model; the bulletin names a series or trim of it)
HYUNDAI NEXO2019
HYUNDAI SONATA HYBRID2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
HYUNDAI SONATA PLUG-IN HYBRID2016, 2017, 2018 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
20-EE-001H-12020-09-03. Service bulletin. The following summarizes the procedure for EV battery replacement:
Campaign T3U Dea2019-09-30. Service bulletin. This service campaign provides information related to a BMS software update to the diagnostic logic for DTC P1B77 ? ?High Voltage Battery Pre-charging Fault?.
19-01-023H2019-09-30. Service bulletin. This bulletin provides information related to a BMS (Battery Management System) software update to the diagnostic logic for DTC P1B77 ? ?High Voltage Battery Precharging Fault?.
19-HC-002H2019-09-30. Service bulletin. This bulletin provides instructions for a Battery Management System (BMS) software update to optimize DTC P1B70 - HEV Battery Voltage Too Low diagnostic control logic.
19-EE-002H2019-05-20. Service bulletin. The following summarizes the service procedure for EV battery replacement:
5NP-X2L9K-102018-10-15. Service bulletin. This bulletin provides information related to a BMS (Battery Management System) ECU software update to revise the 12V LiOn battery system management and diagnostics.
5NP-E2C3Q-092017-09-14. Service bulletin. 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).
5NP-T8M5S-032017-08-10. Service bulletin. This bulletin provides the service information for the Ioniq HEV 12V integrated Lithium Ion Polymer (LiPO) battery system.
TZ7 DCS2016-07-07. Service bulletin. Service Campaign TZ7 – 2016 Sonata Plug-In Hybrid High Voltage Battery Cover Replacement (TSB# 16-01-008) Hyundai Motor America is conducting a Service Campaign to replace the high voltage battery cover on certain 2016 Model Year Sonata Plug-In Hybrid vehicles. Service Campaign TZ7 provides a procedure to replace the high voltage battery cover.
16-01-0082016-06-22. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE.