Toyota Highlander 2020–2023 — technical service bulletin
Bulletin TSB-0033-23 · NHTSA communication 10240057 · issued Jun 8, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2020–2023
model years
28
vehicle entries
Official summary
TSB: Some 2020 ? 2023 model year Highlander Hybrid and 2021 ? 2023 model year RAV4 Hybrid, RAV4 Prime, Sienna Hybrid, and Venza Hybrid vehicles may exhibit a MIL ON condition with one or both of the following Diagnostic Trouble Codes (DTCs) present: ?P24517F ? Evaporative Emission System Switching Valve Actuator Stuck Off. ?P14502A ? Fuel Tank Pressure Sensor Signal Stuck in Range.
Vehicles covered
- 2020 Toyota Highlander
- 2021 Toyota Highlander
- 2023 Toyota Highlander
- 2020 Toyota Highlander Hybrid
- 2021 Toyota Highlander Hybrid
- 2022 Toyota Highlander Hybrid
- 2023 Toyota Highlander Hybrid
- 2021 Toyota RAV4
- 2022 Toyota RAV4
- 2023 Toyota RAV4
- 2021 Toyota RAV4 Hybrid
- 2022 Toyota RAV4 Hybrid
- 2023 Toyota RAV4 Hybrid
- 2021 Toyota RAV4 Prime
- 2022 Toyota RAV4 Prime
- 2023 Toyota RAV4 Prime
- 2021 Toyota Sienna
- 2022 Toyota Sienna
- 2023 Toyota Sienna
- 2021 Toyota Sienna Hybrid
- 2022 Toyota Sienna Hybrid
- 2023 Toyota Sienna Hybrid
- 2021 Toyota Venza
- 2022 Toyota Venza
- 2023 Toyota Venza
- 2021 Toyota Venza Hybrid
- 2022 Toyota Venza Hybrid
- 2023 Toyota Venza Hybrid
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.