# Service bulletins for the 2019 Toyota Avalon

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.

254 bulletins from NHTSA, as of 2026-10-19.

- [26TF01](/bulletins/11038377.md), 2026-10-08, Emissions: FUEL/PROPULSION SYSTEM. Under certain conditions, debris can accumulate inside the fuel cap causing potential fuel vapor leaks that can cause increased evaporative emissions to exceed the regulated limits. This issue will not trigger the M.I.L. \(Malfunction Indicator Lamp\)
- [T\-SB\-0110\-20 Rev2](/bulletins/11037202.md), 2026-09-09, Service bulletin: ENGINE. OBSOLETE NOTICE August 20, 2026: This bulletin is now obsolete. Please see T\-SB\-0051\-26.
- [T\-SB\-0051\-26](/bulletins/11037201.md), 2026-09-09, Service bulletin: ENGINE. This bulletin includes basic procedures for performing a rescue charge at battery on high voltage \(HV\) Ni\-MH and Li\-ion batteries.
- [24TE04](/bulletins/11037186.md), 2026-09-09, Warranty extension: ENGINE. Although the flow shut\-off valve is covered by Toyota’s New Vehicle Limited Warranty for 36 months or 36,000 miles \(whichever comes first\), we at Toyota care about the customers’ ownership experience. Toyota is providing coverage for repairs related to Flow Shut\-off Valve Coolant Leak.
- [26TF01](/bulletins/11037185.md), 2026-09-09, Emissions: FUEL/PROPULSION SYSTEM. TECHNICAL INSTRUCTIONS FOR EMISSION NONCOMPLIANCE RECALL 26TF01 Certain 2018 – 2024 Model Year Camry HV and 2019\-2022 Avalon HV Fuel Cap Negative Pressure Valve \& Fuel Filler Dust Intrusion
- [26TF01](/bulletins/11037184.md), 2026-09-09, Emissions: FUEL/PROPULSION SYSTEM. Under certain conditions, debris can accumulate inside the fuel cap causing potential fuel vapor leaks that can cause increased evaporative emissions to exceed the regulated limits. This issue will not trigger the M.I.L. \(Malfunction Indicator Lamp\)
- [T\-SB\-0104\-21 Rev2](/bulletins/11029896.md), 2026-03-07, Service bulletin: ENGINE. OBSOLETE NOTICE February 27, 2026: This bulletin is no longer applicable and is now obsolete.
- [T\-SB\-0106\-22 Rev2](/bulletins/11028726.md), 2026-02-11, Service bulletin: ELECTRICAL SYSTEM. OBSOLETE NOTICE January 30, 2026: This bulletin is now obsolete. Please see T\-SB\-0001\-26.
- [T\-SB\-0001\-26](/bulletins/11028722.md), 2026-02-11, Service bulletin: ELECTRICAL SYSTEM. Some 2018 – 2024 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System require a Special Service Tool \(SST\) USB flash drive to update the map, points of interest, and system software.
- [T\-SB\-0055\-24 Rev2](/bulletins/11028712.md), 2026-02-11, Service bulletin: UNKNOWN OR OTHER. Some 2005 – 2026 Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. Follow the procedures in this bulletin to remediate the odor and address this condition. The purpose of this Service Bulletin is to provide general guidelines and procedures for odor remediation. This Service Bulletin provides a guide on how to prepare and treat the interior of the vehicle for odor remediation. Refer to the applicable model and model year Repair Manual and the EPA \(Environmental Protection Agency\) website for the most up\-to\-date safety and precautionary guidelines.
- [24TE04](/bulletins/11022949.md), 2025-09-09, Service campaign: ENGINE. The specific condition covered by this program is for a small engine coolant leak that can occur from the flow shut\-off valve that can allow coolant to drip on other parts of the vehicle. This can cause "Engine Maintenance Required" to be displayed on the instrument cluster or cause the A/C not to function normally. Although the flow shut\-off valve is covered by Toyota’s New Vehicle Limited Warranty for 36 months or 36,000 miles \(whichever comes first\), we at Toyota care about the customers’ ownership experience. Toyota is providing coverage for repairs related to Flow Shut\-off Valve Coolant Leak.
- [T\-SB\-0112\-24 Rev2](/bulletins/11020668.md), 2025-07-10, Service bulletin: ENGINE. Some 2018 – 2021 model year Toyota vehicles equipped with an A25A\-FKS, A25A\-FXS, or M20A\-FKS engine may exhibit a condition in which an “Engine Maintenance Required” message is displayed in the Multi\-Information Display \(MID\). Additionally, the vehicle will exhibit DTC\(s\) P268111 \(Engine Coolant Bypass Valve Circuit Short to Ground\) and/or P268115 \(Engine Coolant Bypass Valve Circuit Short to Battery or Open\).
- [T\-TT\-0784\-25 Rev1](/bulletins/11020664.md), 2025-07-10, Service bulletin: ENGINE. Some ECUs can set a DTC that is common with other ECUs. This can lead to accidental use of the wrong repair manual when diagnosing these type of DTCs.
- [T\-TT\-0784\-25](/bulletins/11020658.md), 2025-07-10, Service bulletin: ENGINE. Some ECUs can set a DTC that is common with other ECUs. This can lead to accidental use of the wrong repair manual when diagnosing these type of DTCs.
- [T\-SB\-0058\-23 Rev1](/bulletins/11020657.md), 2025-07-10, Service campaign: ELECTRICAL SYSTEM. The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. The procedures outlined in this Service Bulletin aid in locating, inspecting, and repairing refrigerant leaks.
- [T\-TT\-0780\-25](/bulletins/11019332.md), 2025-06-06, Service bulletin: ELECTRICAL SYSTEM. To assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on how to retrieve the data from the system and are only to be used when requested by FTS and/or FPE.
- [T\-TT\-0780\-25](/bulletins/11018329.md), 2025-05-15, Service bulletin: ELECTRICAL SYSTEM. To assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on how to retrieve the data from the system and are only to be used when requested by FTS and/or FPE.
- [24TE04](/bulletins/11016794.md), 2025-04-08, Warranty extension: ENGINE. Although the flow shut\-off valve is covered by Toyota’s New Vehicle Limited Warranty for 36 months or 36,000 miles \(whichever comes first\), we at Toyota care about the customers’ ownership experience. Toyota is providing coverage for repairs related to Flow Shut\-off Valve Coolant Leak.
- [T\-SB\-0106\-22 Rev2](/bulletins/11016786.md), 2025-04-08, Service bulletin: ELECTRICAL SYSTEM. Some 2018 – 2024 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System require a Special Service Tool \(SST\) USB flash drive to update the map, points of interest, and system software. The SST is used with applicable vehicles to deliver the update, however, the process for generating license keys differs from previous generations.
- [T\-SB\-0013\-24 Rev1](/bulletins/11016781.md), 2025-04-08, Service bulletin: ELECTRICAL SYSTEM. The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased and can never be reused. Another feature, Add/Remove Key, is also available. Once a key is removed, it can never be reused.
- [24TE04](/bulletins/11015508.md), 2025-03-11, Warranty extension: ENGINE. Although the flow shut\-off valve is covered by Toyota’s New Vehicle Limited Warranty for 36 months or 36,000 miles \(whichever comes first\), we at Toyota care about the customers’ ownership experience. Toyota is providing coverage for repairs related to Flow Shut\-off Valve Coolant Leak.
- [T\-SB\-0106\-22 Rev2](/bulletins/11015500.md), 2025-03-11, Service bulletin: ELECTRICAL SYSTEM. Some 2018 – 2024 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System require a Special Service Tool \(SST\) USB flash drive to update the map, points of interest, and system software. The SST is used with applicable vehicles to deliver the update, however, the process for generating license keys differs from previous generations.
- [T\-SB\-0013\-24 Rev1](/bulletins/11015495.md), 2025-03-11, Service bulletin: ELECTRICAL SYSTEM. The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased and can never be reused. Another feature, Add/Remove Key, is also available. Once a key is removed, it can never be reused.
- [T\-SB\-0112\-24 Rev1](/bulletins/11014174.md), 2025-02-12, Service bulletin: ENGINE. Some 2018 – 2021 model year Toyota vehicles equipped with an A25A\-FKS, A25A\-FXS, or M20A\-FKS engine may exhibit a condition in which an “Engine Maintenance Required” message is displayed in the Multi\-Information Display \(MID\). Additionally, the vehicle will exhibit DTC\(s\) P268111 \(Engine Coolant Bypass Valve Circuit Short to Ground\) and/or P268115 \(Engine Coolant Bypass Valve Circuit Short to Battery or Open\).
- [T\-SB\-0110\-20 Rev2](/bulletins/11012753.md), 2025-01-09, Service bulletin: ENGINE. This bulletin includes basic procedures for performing a rescue charge at battery on high voltage \(HV\) Ni\-MH and Li\-ion batteries. This bulletin should be used in conjunction with the applicable model and model year Repair Manual while performing the battery rescue charge. The GRX\-5100 should be used wherever the Repair Manual references the Toyota Hybrid System \(THS\) charger.

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