2018 Toyota Sienna technical service bulletins
300 technical service bulletins and manufacturer communications cover the 2018 Toyota Sienna.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Obsolete notice
- Some 2018 – 2024 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System...
- Condition in which a musty odor is present
- Some customers may experience echoing on the line calling the vehicle when using Bluetooth Hands Free
- The air conditioning dye injection tool kit has been developed to aid in identifying the location of air...
- To assist with the early detection and early resolution of audio related concerns you may be asked to...
- Some 2018 – 2024 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System...
- Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical...
- To prevent brake rotor rust from forming during transportation and storage, wheel film will be used...
- The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix...
- Toyota vehicles are currently protected with RapgardTM protective film designed to protect the horizontal...
- Vehicles may occasionally be subjected to contamination by airborne iron particles shed from railroad...
- Condition in which a musty odor is present
- This Service Bulletin provides updated non-electric water pump leak inspection and diagnostic tips for...
- Toyota vehicles are currently protected with RapgardTM protective film designed to protect the horizontal...
- This is to advise of various price adjustments that will affect Toyota Genuine Motor Oil and Long Life...
- Some 2018 ? 2022 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System...
- The air conditioning dye injection tool kit has been developed to aid in identifying the location of air...
- TT: A very small percentage of customers experience operational difficulties with some telematics features...
- Replacement certification labels (the vinyl label installed on the driver door or door post) and VIN...
- The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master...
- DP: Although the high-pressure fuel pump is covered by Toyota?s New Vehicle Limited Warranty for 5 years...
- Knocking noise from the vacuum pump at idle.
- Hard start and/or MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs): ?DTC...
- DL: On December 20, 2022, a settlement of claims for certain low pressure fuel pumps was approved by the...
- Knocking noise from the vacuum pump at idle
- TT: To assist with the early detection and early resolution of audio related concerns, it may be requested...
- Obsolete notice
- Some 2018 ? 2022 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System,...
- Condition in which a musty smell is present
- TT: Vehicles listed above equipped with a Denso Ten radio (Entune Audio Plus or Premium Audio) may exhibit...
- TT: Some 17-22MY Highlander and 17-20MY Sienna vehicles may experience a MIL ON condition with DTC(s)...
- Paint stains after the removal of Rapgard?. The paint stains may appear to be under the clear coat but are...
- This Service Bulletin provides a procedure to properly perform the Techstream ?Control the Injection Mode?...
- TT: Some 17-22MY Highlander, and 17-20MY Sienna vehicles with engine serial numbers that start with F or G...
- TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care (TCMC) brake pads may exhibit a...
- TT: Some 2017-2022 Highlander, and 2017-2020 Sienna vehicles may experience an engine oil leak condition...
- TT: The purpose of this Tech Tip is to provide diagnostic tips to prevent misdiagnosis of the following...
- TT: When customers have a concern about a discharged battery, no start, or general battery concern, the...
- TSB This Service Bulletin includes guidelines meant to help determine whether to repair or replace a wire...
- POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground...
- Some 2018 ? 2020 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System...
- TT: Some customers may experience echoing on the line calling the vehicle when using Bluetooth Hands Free
- TT: Some customers may encounter Bluetooth® connectivity concerns such as: ?Difficulty to pair the phone
- Some 2018 ? 2020 model year Sienna (XLE, Limited); 2019 model year Avalon, Avalon Hybrid, Corolla...
- TT: When used in conjunction with the Repair Manual, these Blind Spot Monitor, Forward Recognition Camera,...
- Tt: note
- Condition where the HVAC evaporator drain hose has become obstructed with an insect nest
- One or more of the following conditions: ?Toyota apps fail to download
- One or more of the following conditions: ?Abnormal navigation operation
- Obsolete notice
- Obsolete notice
- TT: Some 2014-2021 model year vehicles equipped with Dynamic Torque Control AWD system may experience a...
- MIL ON condition with Diagnostic Trouble Codes (DTCs) P07407E and/or P27567F. The Engine Control Module...
- Updates to the 2014-2021 toyota universal flat rate manual
- One or more of the following conditions: ?Incorrect GPS date and time
- Whine noise while driving, a harsh shift, MIL ON, or reduced power
- Condition where the front door glass run on either the right-hand or left-hand side comes loose from the...
- This Service Bulletin provides a procedure to properly perform the Techstream ?Control the Injection Mode?...
- Obsolete notice
- Toyota Safety Recall and Service Campaign
- TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care (TCMC) brake pads may exhibit a...
- Paint stains after the removal of Rapgard?. The paint stains may appear to be under the clear coat but are...
- Replacement certification labels (the vinyl label installed on the driver door or door post) and VIN...
- Flex lock-up concern and MIL ON with Diagnostic Trouble Codes (DTCs) P07407E and/or P27567F. Vehicles that...
- When completing a transaxle assembly replacement, Engine Control Module (ECM) (SAE term: Powertrain...
- MIL ON condition with Diagnostic Trouble Code (DTC) P261093 (ECM/PCM Engine Off Timer Performance No...
- Obsolete notice
- Vibration/pulsation from the front brakes that can be felt in the brake pedal while lightly applying the...
- TT: HVAC drain tube is found to be blocked/clogged.
- This Service Bulletin provides updated non-electric water pump leak inspection and diagnostic tips for...
- TT: Some vehicles may display an error message that displays ?New software is not compatible with the system
- One or more of the following conditions: ?Abnormal navigation operation
- TT: The Toyota Quality group is looking to better understand our customers expectation regarding vehicle...
- TT: During the Phase 3 update to add Apple CarPlay® to 2018 model year Camry, Camry HV, and Sienna vehicle...
- TT: The new DCA-8000 Diagnostic Charger may
- TT: The microphone circuit passes through the DCM before reaching the radio/navigation system
- Supersession notice
- Supersession notice
- Obsolete notice
- Obsolete notice
- Supersession notice
- Obsolete notice
- TT: Due to the challenges caused by the COVID-19 virus threat, some dealers are experiencing reduced...
- TT: The blind spot monitor (BSM) sensor angle inspection is used to confirm that the BSM sensor is within...
- Obsolete notice
- Supersession notice
- One or more of the following conditions: ?Abnormal navigation operation ?Screen freezing ?Intermittent...
- One or both of the following conditions: ?Bluetooth® continuously connects and disconnects ?Inoperative...
- TT: Some vehicles equipped with Dynamic Navigation may experience a pop-up message notifying them that...
- One or more of the following conditions: ?Toyota Apps fail to download ?Bluetooth® is unable to...
- Vehicles may display evidence of a fluid leak or fluid seep from powertrain components
- TT: Currently under investigation
- TT: In certain cases of leaking air conditioning systems, the root
- Revision notice
- Revision notice
- TT: All grades of 2018-2020 model year Mirai, Sienna, CH-R, and 2020 model year Land Cruiser, Prius, and...
- TT: Safety Connect is a vehicle option which requires a subscription fee for the system to be active after...
- Revision notice
- TT: Some 2018-2020 model year UA80/UB80 transmission equipped models may experience a leak from the...
- TT: Some customers may encounter Bluetooth® connectivity concerns such as: ? Difficulty to pair the phone
- TT: Some customers may experience a call failure when attempting to call a conference call number that has...
- TT: Some vehicles may display an error message that displays "New software is not compatible with the system
- Revision notice
- Dealer Package: Toyota has received a number of reports regarding the power sliding door rear lock...
- Dealer Package: This Customer Confidence Program is a component of a class action settlement that includes...
- Customer Support Program Bulletin: Toyota has received reports indicating potential symptoms, such as a...
- Supersession notice
- Some 2009 ? 2019 model year Toyota vehicles with super chrome wheel finishes may become discolored and/or...
- Revision notice
- Customer Support Program: In our continuing efforts to ensure the best in customer satisfaction, and...
- Customer Support Program: Toyota has received a number of reports regarding the power sliding door rear...
- TT: Some customers may experience an Entune? update pop-up message after every key cycle.
- Dealer Package: June 19, 2019 Information about a proposed class action settlement has been added
- Customer Support Program: Toyota has received a number of reports regarding sliding door front lock...
- Condition where the slide door center hinge has corroded, causing the slide door to become difficult to...
- Condition where the slide door center hinge has corroded, causing the power slide door to not fully open...
- Condition where the fuel lid door is loose or not flush against the vehicle body, which may prevent the...
- Some 2011 ? 2018 model year Sienna customers may express concern about their vehicle?s slide door performance
- Revision notice
- TT: The new 12V Battery Warranty Testers (DSS-5000 & DCA-8000) require certain information to generate a...
- Region Email: In our continuing efforts to ensure the best in customer satisfaction, and pursuant to a...
- Dealer Email: In our continuing efforts to ensure the best in customer satisfaction, and pursuant to a...
- Region Letter: Certain 2011
- Dealer Package: Certain 2011
- Dealer Package: Certain 2011
- Dealer Package: Certain 2011 ? 2018 Model Year Sienna Vehicles Coverage for the Sliding Door Center Hinge...
- Dealer Package: Certain 2011 ? 2018 Model Year Sienna Vehicles Coverage for the Fuel Filler Door Hinge and...
- Customer Support Program: In our continuing efforts to ensure the best in customer satisfaction, and...
- Dealer Package: Certain 2011 ? 2018 Model Year Sienna Vehicles Coverage for the Power Sliding Door Cable...
- Customer Program Support: In our continuing efforts to ensure the best in customer satisfaction, and...
- Entune? 3.0 Audio is now available with additional features such as Apple CarPlay® and Amazon Alexa? for...
- Revision notice
- TT: While performing the retrofit TSB, and creating the USB stick, it is critical that all files that are...
- Entune? 3.0 Audio Plus is now available with additional features such as Apple CarPlay® and Amazon Alexa?...
- Entune? 3.0 Premium Audio is now available with additional features such as Apple CarPlay® and Amazon...
- Region Email: Toyota has received reports about potential symptoms, such as a whine noise from the...
- Dealer Email: Toyota has received reports about potential symptoms, such as a whine noise from the...
- Dealer Packet: Toyota has received reports about potential symptoms, such as a whine noise from the...
- Some 2018 ? 2019 model year Toyota vehicles equipped with the Entune? 3.0 Premium Audio Navigation System...
- Technical Instructions: Update 4/5/2019: Note added on p. 6. TECHNICAL INSTRUCTIONS FOR SPECIAL SERVICE...
- Technician Certification Requirements.
- Dealer Letter: The engine ECUs in the subject vehicles are equipped with software to monitor the rear...
- Dealer Daily Message: Sienna Sliding Door Certain 2011 ? 2018 Model Year Sienna Vehicles ? A court has...
- This bulletin details the supplemental procedure to confirm Telematics Data Communication Module (DCM)...
- Revision notice
- TT: The microphone circuit passes through the DCM before reaching the radio/navigation system
- TT: The current engine active test ?Control the Injection Mode? is not operating as desired when...
- Some 2016
- Safety Recall and Service Campaign
- Whine noise while driving, a harsh shift, MIL ON, or reduced power
- TT: When adjusting the Forward Recognition Camera on vehicles with Toyota Safety Sense, it can be...
- TT: All grades of 2018-2019 model year Mirai and Sienna and 2019 model year CH-R vehicles are not...
- Condition where the power sliding door cable becomes separated, causing the power sliding door to become...
- Revision notice
- Supersession notice
- Revision notice
- Service Bulletin sent to all dealers to inspect L-track bolts for correct torque and to incorporate torque...
- Obsolete notice
- Revision notice
- One or more of the following conditions: ? ?Preparing to connect to the Internet? pop-up will not clear ?...
- Revision notice
- Engine oil leak from the cam sensor bolt hole(s). Follow the Repair Procedure in
- Obsolete notice
- Supersession notice
- Supersession notice
- Safety Recall and Service Campaign
- TT: Some customers may experience issues using Entune or Scout functions of the head unit
- TT: Some vehicles may experience a condition in which the 2nd row seat, with center seat, exhibits a...
- Supersession notice
- TT: Safety Connect is a vehicle option which requires a subscription fee for the system to be active
- Obsolete notice
- TT: Some customers may experience an inoperative Entune Apps Suite and Scout moving maps when connecting...
- TT: Techstream cannot perform a DCM (Telematics ECU) Activation following a DCM replacement
- Bluetooth® connectivity conditions with the multimedia system
- Revision notice
- Revision notice
- Revision notice
- The purpose of this Service Bulletin is to elevate awareness and provide best practices for leather and...
- Revision notice
- Supersession notice
- TT: For some repairs on 2017-2018 Sienna and Highlander and 2018 Camry vehicles equipped with the 8-speed...
- Some customers may complain of the inability to use certain functions of the navigation/infotainment...
- TT: Some customers may experience an inoperative Entune? Apps Suite after connecting an Apple device with...
- TT: Some customers may experience an inoperative Entune Apps Suite after connecting an Apple device with...
- TT: All grades of 2018MY Sienna vehicles are not compatible with Entune? 3.0 Remote Connect app features
- TT: All grades of 2018MY Sienna vehicles are not compatible with Entune 3-0 Remote Connect app features
- Revision notice
- T-TT: Some vehicles may exhibit an abnormal HVAC blower motor noise.
- Brake vibration due to improper lug nut torque
- Revision notice
- Vehicle replacement certification labels (the vinyl label installed on the driver door or door post) and...
- Pre-delivery service.
- Pre-delivery service check sheet.
- Revision notice
- Revision notice
- An initialization procedure is required to activate the Entune App Suite Connect for Entune 3.0 Audio,...
- When a maintenance alert occurs, a message displays on the head unit with the "Call Dealer" button
- TT: Safety Connect is a vehicle option which requires a subscription fee for the system to be active
- TT: During previous air conditioning service, leakage prevention agent (A/C stop leak) may have been added...
- Long-term or off-site storage requires special care to keep vehicles factory fresh and ready for delivery
- A battery in a stored vehicle is subject to conditions that can reduce its performance and life
- During the manufacturing process, tires are mounted on the vehicle as matched sets to help reduce...
- 2018 model year vehicles are equipped with driver?s side floor mat retaining clips to secure the floor mat...
- TT: This bulletin is regarding best practices when handling navigation systems that use Hard Disc Drive or...
- Some 2018 model year vehicles are equipped with a Smart Key system, which allows the customer to enter and...
- Update on Technician Certification Requirements.
- Replacement vin plates.
- Product general information.
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