{"nhtsa_id":6089156,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2000-01-14","date":"1999-10-01","document_id":"990525004","mfr_campaign":null,"replaces":null,"component":"EXTERIOR LIGHTING","mfr_system":null,"summary":"CONCERNS WITH INTERMITTENT MULTIFUNCTION ALARM ACTIVATION. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/6089156","components":[{"id":"lighting","name":"Lighting","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"B7","year_from":1993,"year_to":1999,"match":"exact","vehicle_ids":["1993_chevrolet_b7","1994_chevrolet_b7","1995_chevrolet_b7","1996_chevrolet_b7","1997_chevrolet_b7","1998_chevrolet_b7","1999_chevrolet_b7"]},{"make":"CHEVROLET","model":"C SERIES","year_from":1990,"year_to":1999,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"B7","year_from":1993,"year_to":1999,"match":"exact","vehicle_ids":["1993_gmc_b7","1994_gmc_b7","1995_gmc_b7","1996_gmc_b7","1997_gmc_b7","1998_gmc_b7","1999_gmc_b7"]},{"make":"GMC","model":"C SERIES","year_from":1990,"year_to":1999,"match":null,"vehicle_ids":[]}],"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":[]}