2012 Toyota Sienna Technical Service Bulletins

372 technical service bulletins (TSBs) are on record for the 2012 Toyota Sienna. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10132434Aug 3, 2017Body and structure, Latches, locks and linkages. Dealer Email: Toyota has received a number of reports regarding sliding door front lock assemblies on certain 2011 ? 2016 model year Sienna vehicles. In these reports, during the closing operation of the left and/or right side sliding door, the door would not completely close and latch due to corrosion on the latch lever pin of the door?s front lock assembly.
• 10132433Aug 3, 2017Body and structure. Region Letter: Toyota has received a number of reports regarding sliding door front lock assemblies on certain 2011 ? 2016 model year Sienna vehicles. In these reports, during the closing operation of the left and/or right side sliding door, the door would not completely close and latch due to corrosion on the latch lever pin of the door?s front lock assembly.
• 10132432Aug 3, 2017Body and structure. Region Email: Toyota has received a number of reports regarding sliding door front lock assemblies on certain 2011 ? 2016 model year Sienna vehicles. In these reports, during the closing operation of the left and/or right side sliding door, the door would not completely close and latch due to corrosion on the latch lever pin of the door?s front lock assembly.
• 10132424Aug 2, 2017Latches, locks and linkages, Body and structure. TSB: Some 2011 ? 2016 model year Sienna vehicles may exhibit power or manual sliding door front and rear latches simultaneously NOT latching due to corrosion on the latch lever pin of the front lock assembly. Additionally, some 2011 ? 2015 model year Sienna vehicles may exhibit power sliding door abnormal closing operation due to internal corrosion in the latch switch of the rear lock assembly.
• 10115265Jul 6, 2017Equipment, Visibility (wipers, defrost, mirrors). Warranty Policy Bulletin: Toyota has received reports of customer concerns in which the power moon roof, power sliding doors or power hatch are inoperative from the overhead console switches or require excessive pressure on the overhead console switches to operate.
• 10115262Jul 3, 2017Body and structure. TSB: Some 2014 - 2017 model year Highlander/Highlander HV and 2011 - 2017 model year Sienna vehicles equipped with a Power Back Door (PBD) may exhibit a condition in which the back door latch does not release and the PBD cannot be opened from any switch (IP, key, back door), with one or both of the following conditions: * Excessive force required to operate the manual back door latch release lever * DTC B2250…
• 10132375Jun 21, 2017Equipment, Electrical system. Warranty Policy Bulletin POL17-01: Toyota has received a number of reports regarding the Overhead Console Switch Assembly operation in Certain 2012 Model Year Camry, Camry Hybrid, and Certain 2011 ? 2013 Model Year Sienna vehicles. In these reports, customers have indicated the switches become inoperative or require excessive pressure to operate.
• 10132374Jun 21, 2017Equipment. Dealer Letter: Toyota has received a number of reports regarding the Overhead Console Switch Assembly operation in Certain 2012 Model Year Camry, Camry Hybrid, and Certain 2011 - 2013 Model Year Sienna vehicles. In these reports, customers have indicated the switches become inoperative or require excessive pressure to operate.
• 10132373Jun 21, 2017Electrical system, Equipment. Dealer Email: Toyota has received a number of reports regarding the Overhead Console Switch Assembly operation in Certain 2012 Model Year Camry, Camry Hybrid, and Certain 2011 ? 2013 Model Year Sienna vehicles. In these reports, customers have indicated the switches become inoperative or require excessive pressure to operate.
• 10132372Jun 21, 2017Equipment, Electrical system. Region Letter: Toyota has received a number of reports regarding the Overhead Console Switch Assembly operation in Certain 2012 Model Year Camry, Camry Hybrid, and Certain 2011 ? 2013 Model Year Sienna vehicles. In these reports, customers have indicated the switches become inoperative or require excessive pressure to operate.
• 10132371Jun 21, 2017Electrical system, Equipment. Region Email: Toyota has received a number of reports regarding the Overhead Console Switch Assembly operation in Certain 2012 Model Year Camry, Camry Hybrid, and Certain 2011 ? 2013 Model Year Sienna vehicles. In these reports, customers have indicated the switches become inoperative or require excessive pressure to operate.
• 10142506Apr 19, 2017Electrical system, Equipment. TT: Safety Connect is a vehicle option which requires a subscription fee for the system to be active. The first year of service is provided in the vehicle purchase price. Once the subscription has expired the DCM (Telematics Transceiver) will be in an inactive state. In some instances, a DCM may need to be replaced even though the customer is not using the service.
• 10142495Apr 10, 2017Latches, locks and linkages. TSB: Some 2011 ? 2016 model year Sienna vehicles may exhibit Sliding Door Front and Rear Latches simultaneously NOT latching due to the PSD 25 Amp fuse becoming open. APPLICABLE WARRANTY: This repair is covered under the Toyota Basic Warranty. This warranty is in effect for unlimited mileage and unlimited months of service. Warranty application is limited to occurrence of the specified condition described in this…
• 10142494Apr 10, 2017Equipment, Seats. TSB: Some North American produced RAV4, Highlander, Highlander HV, and Sienna vehicles equipped with manual front seats may exhibit an inoperative forward/rearward adjustment function. Upon closer inspection it may be noticed that the Seat Track Adjusting Handle has become disengaged from the locking levers. APPLICABLE WARRANTY: This repair is covered under the Toyota Basic Warranty.
• 10131871Mar 16, 2017Equipment, Electrical system. Warranty Policy Bulletin POL17-01: Toyota has received reports of customer concerns in which the power moon roof, power sliding doors or power hatch are inoperative from the overhead console switches or require excessive pressure on the overhead console switches to operate. Due to parts availability this Warranty Enhancement Program will be launched in 2 phases.
• 10131870Mar 16, 2017Equipment, Electrical system. Dealer Package: Toyota is announcing a Warranty Enhancement Program to extend the warranty coverage on the Overhead Console Switch Assembly on Certain 2012 Model Year Camry, Camry Hybrid, and Certain 2011 ? 2013 Model Year Sienna vehicles.
• 10131869Mar 16, 2017Equipment, Electrical system. Dealer Email: Toyota is announcing a Warranty Enhancement Program to extend the warranty coverage on the Overhead Console Switch Assembly on Certain 2012 Model Year Camry, Camry Hybrid, and Certain 2011 ? 2013 Model Year Sienna vehicles.
• 10131868Mar 16, 2017Electrical system, Equipment, Brakes. Region Letter: Toyota has received a number of reports regarding the Overhead Console Switch Assembly operation in Certain 2012 Model Year Camry, Camry Hybrid, and Certain 2011 ? 2013 Model Year Sienna vehicles. In these reports, customers have indicated the switches become inoperative or require excessive pressure to operate.
• 10131867Mar 16, 2017Electrical system, Equipment. Region Email: Toyota is announcing a Warranty Enhancement Program to extend the warranty coverage on the Overhead Console Switch Assembly on Certain 2012 Model Year Camry, Camry Hybrid, and Certain 2011 ? 2013 Model Year Sienna vehicles.
• 10131866Mar 16, 2017Equipment, Electrical system. Dealer Daily Message: Warranty Enhancement Program ? ZG5 Certain 2012 Model Year Camry and Camry Hybrid Vehicles Certain 2011 ? 2013 Model Year Sienna Vehicles Extension of Warranty Coverage for Overhead Console Switch Assembly.
• 10131861Mar 8, 2017Equipment. TSB: REVISION NOTICE March 08, 2017 Rev1: ? Applicability has been updated to include 2015 - 2017 model year Toyota vehicles. ? The Parts Information section has been updated. Some vehicles in particular geographic areas may exhibit a condition where the HVAC Evaporator Drain Hose has become obstructed with an insect nest. An insect repellent drain hose tip (ARINIX® Tip) is now available to help minimize future…
• 10131850Mar 7, 2017Body and structure. TSB: REVISION NOTICE March 07, 2017 Rev1: ? Applicability has been updated to include 2017 model year Toyota vehicles. On some vehicles, when Rapgard? is removed the paint may have a stained appearance. These stains appear to be under the clear coat (repainting this area is NOT necessary). The stain patterns are usually under wrinkles in the Rapgard?.
• 10131786Feb 21, 2017Equipment. TT: This bulletin is regarding best practices when handling navigation systems that use Hard Disc Drive or Micro SD Card memory.
• 10152205Jan 6, 2017Electrical system. TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes SB No. T-SB-0101-11. Applicability has been updated to include 2016 ? 2017 model year vehicles. Service Bulletin No. T-SB-0101-11 is Obsolete and any printed versions should be discarded. Be sure to review the entire content of this bulletin before proceeding. When servicing interior electrical switches and components, please note the…
• 10132930Nov 29, 2016Electrical system. TSB: OBSOLETE NOTICE: September 14, 2016: This bulletin is now obsolete. Please see T-SB-0134-16.
• 10132901Nov 10, 2016Equipment. 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…
• 10150418Sep 14, 2016Electrical system. TSB: Supersession Notice. Flash reprogramming allows the ECU software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix procedures described in individual Service Bulletins. This bulletin details the Techstream ECU flash reprogramming process and outlines use of the Technical Information System (TIS) and the Calibration Update Wizard (CUW).
• 10149217Sep 14, 2016Engine. TSB: Supersession Notice. Flash reprogramming allows the ECU software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix procedures described in individual Service Bulletins. This bulletin details the Techstream ECU flash reprogramming process and outlines use of the Technical Information System (TIS) and the Calibration Update Wizard (CUW).
• 10111643Aug 30, 2016Equipment. TT: Some customers may encounter Bluetooth® connectivity concerns such as: *Difficulty to pair the phone. *Intermittent Bluetooth® failure to connect to the vehicle when first turning on the vehicle. *Various Bluetooth® Audio functions are no longer functioning with customer's phone such as ability to change the track using the steering wheel controls.
• 10084304Aug 2, 2016Brakes. "tsb: revision notice - august 2, 2016 rev1 - applicability has been updated to include 2015 - 2016 model year sienna vehicles. Any previous printed versions of this bulletin should be discarded. Some 2011 – 2016 model year sienna vehicles may exhibit a vibration/pulsation from the front brakes that can be felt in the brake pedal while lightly applying the brake pedal. New front brake pads and a new field fix…
• 10145776Jul 21, 2016Equipment. Update on Technician Certification Requirements.
• 10142464May 19, 2016Equipment, Body and structure. TSB: On some vehicles, when Rapgard? is removed, the paint may have a stained appearance. These stains appear to be under the clear coat (repainting this area is not necessary). The stain patterns are usually under wrinkles in the Rapgard?. These wrinkles sometimes trap water and cause the paint to stain from the trapped moisture, especially on horizontal surfaces, such as the hood, roof, and trunk. Stains can be…
• 10140622May 19, 2016Body and structure. TSB: On some vehicles, when Rapgard? is removed, the paint may have a stained appearance. These stains appear to be under the clear coat (repainting this area is not necessary). The stain patterns are usually under wrinkles in the Rapgard?. These wrinkles sometimes trap water and cause the paint to stain from the trapped moisture, especially on horizontal surfaces, such as the hood, roof, and trunk. Stains can be…
• 10096862May 19, 2016Equipment. Tsb: on some vehicles, when rapgard™ is removed, the paint may have a stained appearance. These stains appear to be under the clear coat (repainting this area is not necessary). The stain patterns are usually under wrinkles in the rapgard™. These wrinkles sometimes trap water and cause the paint to stain from the trapped moisture, especially on horizontal surfaces, such as the hood, roof, and trunk. Stains can be…
• 10140568May 4, 2016Electrical system. TT: Some customers may experience Bluetooth connection issues after updating the Android Operating System to 5.x.x (Lollipop) or later.
• 10134415Apr 26, 2016Equipment. TT: Some customers may experience Bluetooth connection issues after updating the Android Operating System to 5.x.x (Lollipop) or later.
• 10134401Apr 13, 2016Transmission and drivetrain. TSB: This bulletin includes basic procedures for inspecting and adjusting World Standard (WS) Automatic Transmission Fluid (ATF) level at normal vehicle operating temperature. Note: The following adjustment procedures are for U660E/F and U760E/F transmissions.
• 10134321Mar 8, 2016Electrical system. 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.
• 10134320Mar 8, 2016Electrical system. TT: Some customers may encounter Bluetooth connectivity concerns such as: ? Difficulty pairing the phone. ? Intermittent Bluetooth failure to connect when first turning on the vehicle. ? Various Bluetooth Audio functions are no longer functioning with the customer?s phone, such as the ability to change the track using the steering wheel controls. These concerns can be caused by changes made on the customer?s phone.
• 10097055Mar 8, 2016Equipment. "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. "
• 10097052Mar 8, 2016Equipment. "tt: some customers may encounter bluetooth connectivity concerns such as: • difficulty pairing the phone. • intermittent bluetooth failure to connect when first turning on the vehicle. • various bluetooth audio functions are no longer functioning with the customer’s phone, such as the ability to change the track using the steering wheel controls. These concerns can be caused by changes made on the customer’s phone.
• 10134140Jan 11, 2016Electrical system. Tech Tip: Some customers may experience difficulty programming HomeLink.
• 10096097Jan 11, 2016Equipment. Tech tip: some customers may experience difficulty programming homelink.
• 10152267Dec 7, 2015Latches, locks and linkages. TT: Sliding Door will not latch in the closed position due to either front and/or rear lock malfunctioning. Please see link references of video for example condition and diagnosis instruction.
• 10093565Dec 7, 2015Body and structure, Latches, locks and linkages. Tt: sliding door will not latch in the closed position due to either front and/or rear lock malfunctioning. Please see link references of video for example condition and diagnosis instruction.
• 10152248Dec 2, 2015Seats. TSB: December 2, 2015: This bulletin is now obsolete. Please see T-SB-0118-15.
• 10152246Dec 2, 2015Seats. TSB: Some 2011 ? 2015 model year Sienna vehicles may exhibit a condition where the driver side 2nd row seat with the tip-up style lower seat cushion has excessive up and down movement. While some seat movement is a normal characteristic of the design, this bulletin will help identify excessive movement and provide steps to address this condition.
• 10093483Dec 2, 2015Seats. Tsb: december 2, 2015: this bulletin is now obsolete. Please see t-sb-0118-15.
• 10093478Dec 2, 2015Seats. Tsb: some 2011 – 2015 model year sienna vehicles may exhibit a condition where the driver side 2nd row seat with the tip-up style lower seat cushion has excessive up and down movement. While some seat movement is a normal characteristic of the design, this bulletin will help identify excessive movement and provide steps to address this condition.
• 10152265Dec 1, 2015Equipment. TT: Since MY 2011, several different update or upgrade USB SST's have been issued for Toyota audio and navigation system. Refer to the chart below for a comprehensive list of all current and previously issued USB SSTs and their applicability.

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