{"nhtsa_id":10157848,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-04-08","date":"2017-09-27","document_id":"VSS-17-11","mfr_campaign":null,"replaces":null,"component":"ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL","mfr_system":null,"summary":"Volkswagen of America is requesting your cooperation in supplying us with technical information related to the repair process for vehicles on which the TDI Generation II 2.0L emissions modification is being performed ?Campaign 23U4?. Volkswagen will use this information to ensure prompt analysis and resolution of any emerging concerns.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10157848-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10157848-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10157848","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"VOLKSWAGEN","model":"PASSAT","year_from":2012,"year_to":2014,"match":"exact","vehicle_ids":["2012_volkswagen_passat","2013_volkswagen_passat","2014_volkswagen_passat"]}],"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":[]}