Some 2020 ? 2022 Highlander and Highlander Hybrid and 2021 ? 2022 Sienna Hybrid vehicles may exhibit a MIL...
Toyota technical service bulletin T-SB-0049-21 Rev for 2020-2022 Toyota Highlander, 2020-2022 Toyota Highlander Hybrid and 2021-2022 Toyota Sienna Hybrid.
- Bulletin number
- T-SB-0049-21 Rev
- Component
- Electrical system
- 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
Owners of these vehicles have filed 79 complaints in the electrical category.
Vehicles covered
- Toyota Highlander 2020-2022 202020212022
- Toyota Highlander Hybrid 2020-2022 202020212022
- Toyota Sienna Hybrid 2021-2022 20212022
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