{"nhtsa_id":10158505,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-04-15","date":"2017-06-01","document_id":"23U4 - Circular","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"The Environmental Protection Agency and California Air Resources Board have determined that Volkswagen vehicles equipped with a 2.0L 4-cylinder TDI engine do not comply with applicable emissions regulations. The emissions control systems on the vehicles will not control emissions under off-cycle conditions as effectively as during the federal test procedure. The extent of the emissions increase under off-cycle conditions depends upon how the vehicles are driven.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10158505-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10158505-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10158505","components":[{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"labels-manuals","name":"Labels and manuals","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":[]}