{"nhtsa_id":10129720,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-03-05","date":"2012-08-13","document_id":"12TS16","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; FUEL SYSTEM, DIESEL","mfr_system":null,"summary":"12TS16 EPA10 Diesel Exhaust Fluid (DEF) Metering Unit Air Supply Contamination","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2012/MC-10129720-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2012/MC-10129720-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10129720","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FCCC","model":"FCCC","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"FREIGHTLINER","model":"FREIGHTLINER","year_from":null,"year_to":null,"match":"exact","vehicle_ids":[]},{"make":"STERLING","model":"STERLING","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"THOMAS BUILT BUSES","model":"THOMAS BUILT BUSES","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"WESTERN STAR","model":"WESTERN STAR","year_from":null,"year_to":null,"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":[]}