{"nhtsa_id":10056019,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2014-08-15","date":"2014-06-26","document_id":"TIB-34-053","mfr_campaign":null,"replaces":null,"component":"EXTERIOR LIGHTING","mfr_system":null,"summary":"KENWORTH: WHILE DRIVING SOME TRUCKS, THE COMBINATION OVERDOOR LAMP WILL FLICKER AND DEFECTIVE LAMPS WILL NEED TO BE REPLACED. MODEL T680. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10056019","components":[{"id":"lighting","name":"Lighting","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"T680","year_from":2013,"year_to":2014,"match":"exact","vehicle_ids":["2013_kenworth_t680","2014_kenworth_t680"]}],"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":[]}