{"nhtsa_id":10021674,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2007-06-15","date":null,"document_id":"3656","mfr_campaign":null,"replaces":"3656A","component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"LCT1000 TOW/HAUL INDICATOR INOPERATIVE WITH RPO 5G8. *KB","document":null,"url":"https://open.wenmarpro.com/bulletins/10021674","components":[],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO","year_from":2005,"year_to":2005,"match":"exact","vehicle_ids":["2005_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA","year_from":2005,"year_to":2005,"match":"exact","vehicle_ids":["2005_gmc_sierra"]}],"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":[]}