{"nhtsa_id":10031927,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2010-01-27","date":"2009-09-01","document_id":"SB-09-BE-023","mfr_campaign":null,"replaces":null,"component":"EXTERIOR LIGHTING:TAIL LIGHTS","mfr_system":null,"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","document":null,"url":"https://open.wenmarpro.com/bulletins/10031927","components":[{"id":"lighting","name":"Lighting","parent":null},{"id":"tail-light","name":"Tail lights","parent":"lighting"}],"codes":[],"topics":[],"vehicles":[{"make":"HYUNDAI","model":"GENESIS","year_from":2009,"year_to":2010,"match":"exact","vehicle_ids":["2009_hyundai_genesis","2010_hyundai_genesis"]}],"as_of":"2026-10-19","note":"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.","attribution":[]}