{"vehicle":{"id":"2000_infiniti_qx4","year":2000,"make":"Infiniti","model":"QX4"},"code":"P0138","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":1,"bulletins":[{"nhtsa_id":621950,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-10-05","date":"2001-08-07","document_id":"ITB01045","mfr_campaign":null,"component":"UNKNOWN OR OTHER","summary":"SOME VEHICLES MAY EXHIBIT A MALFUNCTION INDICATOR LAMP (MIL) ON WITH REAR OXYGEN SENSOR DIAGNOSTIC TROUBLE CODES P0138, P0139, P0140, P0158, P0159, AND P0160 STORED IN THE ENGINE CONTROL MODULE (ECM). *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/621950"}],"url":"https://open.wenmarpro.com/makes/infiniti/qx4/2000/bulletins?code=P0138"},"related":{"components":[],"bulletins":[],"recalls":{"may_apply":true,"recalls":[],"lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null}}},"url":"https://open.wenmarpro.com/makes/infiniti/qx4/2000/codes/P0138","note":"The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.","attribution":["Contains information licensed under the Open Government Licence – Canada."]}