Service bulletins for the 2019 Toyota Corolla
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.
238 on file from NHTSA, as of 2026-10-19.
By type
By component
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Only bulletins with component: Engine control module are shown. Show all
| TTT069922 | 2022-10-17. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE. TT: Some Model Year 2018-2021 vehicles equipped with A25A-FKS/FXS or M20A-FKS/FXS engines may display the following message ?Engine Maintenance Required Visit Your Dealer? on the combination meter. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.