{"nhtsa_id":10230364,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-01-17","date":"2022-12-09","document_id":"T-SB-0049-21 Rev","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE","mfr_system":null,"summary":"TSB: Some 2020 ? 2022 Highlander and Highlander Hybrid and 2021 ? 2022 Sienna Hybrid vehicles may exhibit a MIL ON condition with Diagnostic Trouble Codes (DTCs) P0087 (Fuel Rail/System Pressure ? Too Low) and/or P107A2A (Fuel Rail Pressure Sensor (Low) Signal Stuck in Range) present. This condition may occur when the vehicle is operated at high altitude and high temperature; typically, above 3,300 feet (1,000 meters) and ambient temperature above 85°F (30°C). The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition occurring. Follow the Repair Procedure in this bulletin to address this condition","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10230364-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10230364-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10230364","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":["P0087","P107A"],"topics":[],"vehicles":[{"make":"TOYOTA","model":"HIGHLANDER","year_from":2020,"year_to":2022,"match":"exact","vehicle_ids":["2020_toyota_highlander","2021_toyota_highlander","2022_toyota_highlander"]},{"make":"TOYOTA","model":"HIGHLANDER HYBRID","year_from":2020,"year_to":2022,"match":"base","vehicle_ids":["2020_toyota_highlander","2021_toyota_highlander","2022_toyota_highlander"]},{"make":"TOYOTA","model":"SIENNA HYBRID","year_from":2021,"year_to":2022,"match":"base","vehicle_ids":["2021_toyota_sienna","2022_toyota_sienna"]}],"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":[]}