Service bulletins for the 2022 Toyota Highlander
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.
198 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Backup camera are shown. Show all
| T-TT-0726-23 | 2023-08-28. Service bulletin. BACK OVER PREVENTION; ENGINE AND ENGINE COOLING. TT: Some 2021 - 2023 Highlander HV, RAV4 HV and Sienna HV vehicles equipped with Rear Motor Generator, MGR (Q610), may duplicate an abnormal noise (Drone, Growl, Humming, and/or other) from the MGR at various vehicle speeds and normal drive conditions. Please contact TAS for diagnostic instructions to aid in resolution of the condition. |
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| T-TT-0726-23 | 2023-04-17. Service bulletin. ENGINE AND ENGINE COOLING; BACK OVER PREVENTION. TT: Some 2021 - 2023 Highlander HV, RAV4 HV and Sienna HV vehicles equipped with Rear Motor Generator, MGR (Q610), may duplicate an abnormal noise (Drone, Growl, Humming, and/or other) from the MGR at various vehicle speeds and normal drive conditions. Please contact TAS for diagnostic instructions to aid in resolution of the condition. |
| T-SB-0115-22 Rev | 2023-04-17. Service bulletin. BACK OVER PREVENTION; FUEL SYSTEM, GASOLINE. TSB: Some 2019 ? 2022 model year Avalon, 2018 ? 2023 model year Camry, 2017 ? 2022 model year Highlander, and 2017 ? 2020 model year Sienna vehicles equipped with a 2GR-FKS engine may exhibit a knocking noise from the vacuum pump at idle. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.