{"nhtsa_id":10101522,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-05-31","date":"2016-10-20","document_id":"16TS21","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"16TS21 GHG17 DD PLATFORM ENGINES WITH CODE SPN: 3217 FMI: 2, SCR INLET NOX SENSOR LAMBDA DRIFT LOW OR CODE SPN: 3227 FMI: 2, SCR OUTLET NOX SENSOR LAMBDA DRIFT LOW","document":null,"url":"https://open.wenmarpro.com/bulletins/10101522","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FREIGHTLINER","model":"BUSINESS CLASS M2","year_from":2016,"year_to":2017,"match":null,"vehicle_ids":[]},{"make":"FREIGHTLINER","model":"CASCADIA","year_from":2016,"year_to":2017,"match":"exact","vehicle_ids":["2016_freightliner_cascadia","2017_freightliner_cascadia"]},{"make":"WESTERN STAR","model":"4700","year_from":2016,"year_to":2017,"match":"exact","vehicle_ids":["2016_western-star_4700","2017_western-star_4700"]},{"make":"WESTERN STAR","model":"4900","year_from":2016,"year_to":2017,"match":"exact","vehicle_ids":["2016_western-star_4900","2017_western-star_4900"]},{"make":"WESTERN STAR","model":"5700","year_from":2016,"year_to":2017,"match":"exact","vehicle_ids":["2016_western-star_5700","2017_western-star_5700"]}],"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":[]}