Service bulletins for the 2015 Toyota Sequoia
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.
265 on file from NHTSA, as of 2026-10-19.
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By component
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Only bulletins with component: Heating and air conditioning are shown. Show all
| TSB005823 | 2023-10-16. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REFRIGERANT HOSES AND FITTINGS. TSB: The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. Follow the procedures outlined in this service bulletin to aid in locating, inspecting, and repairing refrigerant leaks |
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| T-TT-0468-17-Rev | 2019-03-25. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. TT: HVAC drain tube is found to be blocked/clogged. |
| T-TT-0294-14 Rev | 2018-04-23. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; FUEL SYSTEM, GASOLINE. TT: Greenhouse Gas Logic (GHC) has been implemented on Toyota A/C Systems to reduce tailpipe emissions. The federal government issues café (Corporate Average Fuel Economy) credits to vehicle manufacturers that implement new technologies that reduce the carbon footprint of the vehicles they produce. GHC Logic technology works by automatically operating the HVAC system in REC mode when certain operating conditions are met, improving the A/C systems cooling efficiency and reducing the vehicle's C02 emissions. |
| T-TT-0234-13 Rev | 2018-04-23. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. TT: Since MY 2011, several different update or upgrade USB SSTs have been issued for Toyota audio and navigation systems. Refer to the chart below for a comprehensive list of all current and previously issued USB SSTs and their applicability. |
| T-SB-0142-13 Rev | 2018-04-02. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. TSB: REVISION NOTICE November 10, 2016 Rev2: ? Applicability has been updated to include 2016 ? 2017 model year Toyota vehicles. ? Parts Information section has been updated. Some 2004 ? 2017 model year Toyota vehicles may exhibit odors naturally occurring from the HVAC system and/or related environmental factors. Although there is no way to eliminate these odors, follow the General Procedure in this bulletin to minimize the odors experienced. |
| T-TT-0294-14 | 2018-04-02. Service bulletin. FUEL SYSTEM, GASOLINE; EQUIPMENT:APPLIANCE:AIR CONDITIONER. Tech Tip: Greenhouse Gas Logic (GHG) has been implemented on Toyota A/C Systems to reduce tailpipe emissions. The Federal government issues CAFÉ (Corporate Average Fuel Economy) credits to vehicle manufacturers that implement new technologies that reduce the carbon footprint of the vehicles they produce. GHG Logic technology works by automatically operating the HVAC system in REC mode when certain conditions are met, improving the A/C system cooling efficiency and reducing the vehicle's CO2 tailpipe emissions. |
| T-TT-0294-14 Rev | 2018-04-02. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. TT: Greenhouse Gas Logic (GHC) has been implemented on Toyota A/C Systems to reduce tailpipe emissions. The federal government issues café (Corporate Average Fuel Economy) credits to vehicle manufacturers that implement new technologies that reduce the carbon footprint of the vehicles they produce. GHC Logic technology works by automatically operating the HVAC system in REC mode when certain operating conditions are met, improving the A/C systems cooling efficiency and reducing the vehicle's C02 emissions. |
| T-SB-0083-13 Rev | 2017-08-14. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. TSB: The procedure in this bulletin is a general guideline on how to properly diagnose the air conditioning system after a component failure. Refer to the applicable Repair Manual for vehicle specific repair procedures and parts. |
| T-SB-0142-13 Rev | 2017-08-14. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. TSB: Some 2004 - 2015 model year Toyota vehicles may exhibit odors naturally occurring from the HVAC system and/or related environmental factors. Although there is no way to eliminate these odors, follow the General Procedure in this bulletin to minimize the odors experienced. |
| T-SB-0142-13 Rev | 2017-08-14. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. TSB: Some 2004 - 2015 model year Toyota vehicles may exhibit odors naturally occurring from the HVAC system and/or related environmental factors. Although there is no way to eliminate these odors, follow the General Procedure in this bulletin to minimize the odors experienced. |
| T-SB-0083-13 Rev | 2017-08-14. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. TSB: The procedure in this bulletin is a general guideline on how to properly diagnose the air conditioning system after a component failure. Refer to the applicable Repair Manual for vehicle specific repair procedures and parts. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.