Service bulletins for the 2019 Toyota Yaris
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.
110 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Exhaust and emissions are shown. Show all
| Special Service | 2020-10-26. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ELECTRICAL SYSTEM. RE: The engine control module in the involved vehicles inadvertently contains software intended for vehicles with a different engine configuration. As a result, the engine control module is unable to clear certain diagnostic trouble codes and may result in a vehicle not passing state emission testing/smog checks. |
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| Special Service | 2020-10-26. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ELECTRICAL SYSTEM. DE: The engine control module in the involved vehicles inadvertently contains software intended for vehicles with a different engine configuration. As a result, the engine control module is unable to clear certain diagnostic trouble codes and may result in a vehicle not passing state emission testing/smog checks. |
| 20TC03 - TI - Ya | 2020-10-26. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. TI: TECHNICAL INSTRUCTIONS FOR SPECIAL SERVICE CAMPAIGN 20TC03 Engine Control Module Reprogram CERTAIN 2019 Yaris Sedan |
| 20TC03 - RL - Pu | 2020-10-26. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ELECTRICAL SYSTEM. RL: The engine control module in the involved vehicles inadvertently contains software intended for vehicles with a different engine configuration. As a result, the engine control module is unable to clear certain diagnostic trouble codes and may result in a vehicle not passing state emission testing/smog checks. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.