{"nhtsa_id":10090221,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-02-02","date":"2014-11-06","document_id":"14677","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"14677 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO UPDATE THE BCM CALIBRATION TO INCLUDE SPECIAL EQUIPMENT 6J7 OPTION ON VEHICLES. THIS CONCERN AND RESOLUTION APPLICABLE TO POLICE PURSUIT VEHICLES (9C1) AND SPECIAL SERVICE VEHICLES (5W4) ONLY, THAT ARE NOT EQUIPPED WITH THE SEO 6J7 HEADLAMP AND TAIL LAMP FLASHER SYSTEM.","document":null,"url":"https://open.wenmarpro.com/bulletins/10090221","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"TAHOE POLICE PURSUIT","year_from":2015,"year_to":2015,"match":"base","vehicle_ids":["2015_chevrolet_tahoe"]}],"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":[]}