{"nhtsa_id":10164056,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-08-20","date":"2019-08-14","document_id":"B19-049","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Service Bulletin - The MIL comes on with DTC P0420 (rear bank catalyst system efficiency below threshold [bank 1]).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10164056-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10164056-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10164056","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":["P0420"],"topics":[],"vehicles":[{"make":"ACURA","model":"TLX","year_from":2015,"year_to":2017,"match":"exact","vehicle_ids":["2015_acura_tlx","2016_acura_tlx","2017_acura_tlx"]}],"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":[]}