{"nhtsa_id":10148110,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-11-13","date":"2014-07-01","document_id":"120914","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"Fault Code 121001 Stored in RDME. The Check Engine light (CEL) is illuminated in the instrument cluster and fault code 121001 \"Catalytic converter: Efficiency too low\" is stored in the RDME. This fault could occur during the initial REx engine operation cycle. CAUSE Manufacturing fluid in the exhaust system","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10148110-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10148110-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10148110","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"I3","year_from":2014,"year_to":2015,"match":"exact","vehicle_ids":["2014_bmw_i3","2015_bmw_i3"]}],"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":[]}