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Service bulletin TZ7 DCS

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 id10075998
Published by NHTSA2016-07-07
Manufacturer's numberTZ7 DCS
Manufacturer's date2016-02-17
NHTSA componentELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT

NHTSA's summary

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.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system, Equipment and accessories, 12-volt battery

Vehicles listed
HYUNDAI SONATA PLUG-IN HYBRID2016 (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
19-EE-003H2019-05-20. Service bulletin. The following summarizes the service procedures for Lithium Battery replacement:
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).
16-01-0082016-06-22. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
16-01-005 (1)2016-06-22. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE.