{"nhtsa_id":10146073,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-10-29","date":"2018-10-16","document_id":"B18100D","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)","mfr_system":null,"summary":"Servicenews article - Is the MIL on with DTC P2271 (secondary HO2S [sensor 2] circuit signal stuck rich)? What's likely causing this is the PCM is misinterpreting the A/F sensor (sensor 1) signals, causing the PCM to think that sensor 2 is stuck rich.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10146073-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10146073-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10146073","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"},{"id":"transmission-control-module","name":"Transmission control module","parent":"powertrain"}],"codes":["P2271"],"topics":[],"vehicles":[{"make":"ACURA","model":"TSX","year_from":2007,"year_to":2008,"match":"exact","vehicle_ids":["2007_acura_tsx","2008_acura_tsx"]}],"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":[]}