DTC P1420-00: Evaporative Emission Canister (Small Leak); DTC P1421-00: Evaporative Emission Canister (Gross Leak) [02/2019 - 06/2020]: Description

WARNING: This page is about a different car, the 2020 Toyota RAV4 and 2019 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.