{"nhtsa_id":10171482,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-02-18","date":"2020-01-01","document_id":"B120220","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM","mfr_system":null,"summary":"THE MIL IS ILLUMINATED WITH OXYGEN SENSOR FAULTS STORED: One of the following faults may be stored in the digital motor electronics (DME) either as part of diagnosing a different issue; and/or an illuminated malfunction indicator lamp (MIL). Fault code Control module Fault code text 13900 DME Oxygen sensor after catalytic converter from rich to lean: Delayed response Or: 12B011 DME Oxygen sensor 2 after of catalytic converter from rich to lean: Delayed response This situation is not associated with any drivability complaints. An unfavorable DME diagnostic calibration may cause a fault code to be erroneously stored. These faults will cause the MIL to illuminate.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10171482-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10171482-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10171482","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"M5","year_from":2018,"year_to":2020,"match":"exact","vehicle_ids":["2018_bmw_m5","2019_bmw_m5","2020_bmw_m5"]}],"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":[]}