WenmarOpen by Wenmar Pro

Service bulletin SB-09-BE-023

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 id10031927
Published by NHTSA2010-01-27
Manufacturer's numberSB-09-BE-023
Manufacturer's date2009-09-01
NHTSA componentEXTERIOR LIGHTING:TAIL LIGHTS

NHTSA's summary

HYUNDAI: STOP LAMP Z01 DIODE INSPECTION PROCEDURE. SOME VEHICLES MAY EXPERIENCE THE STOP LAMPS BLINKING ON AND OFF EVEN WHEN THE BRAKES ARE NOT APPLIED. IF THE Z01 DIODE IS SUSPECTED AS THE CAUSE OF THE STOP LAMP MALFUNCTION, THE Z01 DIODE MUST BE INSPECTED ACCORDING TO PROCEDURES. IF THERE IS NO TROUBLE WITH THE Z01 DIODE AFTER INSPECTION, CARRY OUT OTHER NECESSARY REPAIRS AND DO NOT REPLACE THE Z01 DIODE. NO MODEL YEARS LISTED. *PE

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

Lighting, Tail lights

Vehicles listed
HYUNDAI GENESIS2009, 2010

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