{"vehicle":{"id":"2014_toyota_sequoia","year":2014,"make":"Toyota","model":"Sequoia"},"code":"P1605","generic":false,"description":null,"bulletins":{"as_of":"2026-10-19","count":2,"bulletins":[{"nhtsa_id":10134184,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-04-23","date":"2014-12-11","document_id":"T-SB-0058-13 Rev","mfr_campaign":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE; ELECTRICAL SYSTEM:SOFTWARE","summary":"TSB: Some 2012 ? 2015 model year Sequoia and Tundra vehicles with the 3UR-FBE engine may exhibit a MIL ?ON? condition with Diagnostic Trouble Codes (DTCs) P0171/P0174 (System too Lean Bank 1/Bank 2), P0172/P0175 (System too Rich Bank 1/Bank 2), P1604 (Startability Malfunction), and/or P1605 (Rough Idling) after attempting to start the engine. Alcohol Density Estimate values may be high even though the vehicle was fueled with regular fuel (E0/E10). The Engine Control Module/ECM (SAE term: Powertrain Control Module/PCM) logic has been modified to address this condition. Use the following Repair Procedure to reprogram the ECM (PCM). ©","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10134184-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10134184-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10134184"},{"nhtsa_id":10132332,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-04-02","date":"2014-12-11","document_id":"T-SB-0058-13 Rev","mfr_campaign":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE","summary":"TSB: Some 2012 ? 2015 model year Sequoia and Tundra vehicles with the 3UR-FBE engine may exhibit a MIL ?ON? condition with Diagnostic Trouble Codes (DTCs) P0171/P0174 (System too Lean Bank 1/ Bank 2), P0172/P0175 (System too Rich Bank 1/Bank 2), P1604 (Startability Malfunction), and/or P1605 (Rough Idling) after attempting to start the engine. Alcohol Density Estimate values may be high even though the vehicle was fueled with regular fuel (E0/E10). The Engine Control Module/ECM (SAE term: Powertrain Control Module/PCM) logic has been modified to address this condition. Use the following Repair Procedure to reprogram the ECM (PCM). ©","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10132332-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10132332-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10132332"}],"url":"https://open.wenmarpro.com/makes/toyota/sequoia/2014/bulletins?code=P1605"},"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/toyota/sequoia/2014/codes/P1605","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."]}