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.

• 10062011Nov 7, 2012Equipment. Summary to be provided on a future date.
• 10134022Oct 17, 2012Electrical system. Some Phone iOS 5 customers with Denso Premium HDD Navigation (AVN) or Display Navigation w/ Entune (DNE) head units may experience an error message when they attempt to use the Entune application.
• 10134021Oct 17, 2012Electrical system. Some Phone iOS 5 customers with Denso Premium HDD Navigation (AVN) or Display Navigation w/ Entune (DNE) head units may experience an iPod Authorization error when they plug their iPhone into the USB port.
• 10134020Oct 11, 2012Electrical system. Customers who purchase new or replacement iPhones running iOS 6 may find that Toyota a Entune application will not launch on the iPhone. The issue can occur when the customer restores/transfers their apps, contacts, etc.
• 10134019Oct 11, 2012Electrical system. Some Phone iOS 5 customers with Denso Premium HDD Navigation (AVN) or Display Navigation w/ Entune (DNE) head units may experience an error message when they attempt to use the Entune application.
• 10062023Oct 11, 2012Equipment. Summary to be provided on a future date.
• 10062022Oct 11, 2012Equipment. Summary to be provided on a future date.
• 10134018Oct 10, 2012Electrical system. Some Phone iOS 5 customers with Denso Premium HDD Navigation (AVN) or Display Navigation w/ Entune (DNE) head units may experience an iPod Authorization error when they plug their iPhone into the USB port.
• 10062021Oct 10, 2012Equipment. Summary to be provided on a future date.
• 10133974Oct 4, 2012Body and structure. Toyota vehicles are equipped with either conventional or run-flat tires. Sometimes punctures may occur as a result of contact with road debris or other hazards. If a puncture occurs, it may be possible to repair the tire and return it to service. With a conventional tire it is not possible to drive for an extended amount of time with the tire at low pressures as damage to the tire may occur.
• 10061649Oct 4, 2012Tires. Summary to be provided on a future date.
• 10134121Sep 20, 2012Seats. TSB: OBSOLETE NOTICE December 2, 2015: This bulletin is now obsolete. Please see T-SB-0118-15.
• 10060778Sep 20, 2012Seats. Summary to be provided on a future date.
• 10047943Sep 11, 2012Air bags. Toyota: an intermittent exhibition of srs lamp on with diagnostic trouble code (dtc) b1821 and/or b1826 condition. Improvement to terminal crimping of side air bag to address situation. Model 2011-2012 sienna.
• 10045140Jun 13, 2012Vehicle speed control. Toyota: accelerator pedal sensor assembly information regarding the inspection, removal, and installation, if lubrication or oil, is applied.
• 10061572Apr 2, 2012Equipment. Summary to be provided on a future date.
• 10044156Mar 13, 2012Electrical system, Engine cooling. Toyota: charging system inoperative. Some engines may exhibit insufficient charging performance from the alternator. An updated pulley assembly is available to address this condition.
• 10060780Dec 13, 2011Seats. Summary to be provided on a future date.
• 10042555Sep 6, 2011Air bags, Seats. Toyota: information provided for replacing the seat covers for vehicles equipped with side airbags.
• 10037644Mar 31, 2011Equipment. Toyota: long-term storage procedure for some 2012 models.
• 10197476May 4, 2001Equipment. Replacement vin plates.
• 10197473Jan 18, 1991Equipment. Product general information.

← All problems reported for the 2012 Toyota Sienna