{"nhtsa_id":10166685,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-10-28","date":"2019-09-25","document_id":"K49010030","mfr_campaign":null,"replaces":null,"component":"EXTERIOR LIGHTING","mfr_system":null,"summary":"Mack Chassis - Adding Snow Plow Lights - Parameter And Variant Changes","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10166685-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10166685-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10166685","components":[{"id":"lighting","name":"Lighting","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"GU","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"R","year_from":null,"year_to":null,"match":"exact","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":[]}