2011 Toyota Sienna Technical Service Bulletins

372 technical service bulletins (TSBs) are on record for the 2011 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.

• 10133950Dec 21, 2012Body and structure. Some 2011 model year Sienna vehicles may exhibit a condition where a leak is noticed at the rear corner drains of the rear sliding roof assembly. This may be due to an insufficient amount of butyl sealer in the drain end caps. A new rear sliding roof housing sub-assembly has been developed to address this condition
• 10062007Dec 21, 2012Visibility (wipers, defrost, mirrors). Summary to be provided on a future date.
• 10133962Dec 7, 2012Engine. Starting with the 2010 MY, Toyota began a gradual transition to the use of synthetic 0w-20 viscosity engine oil.
• 10062011Nov 7, 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.
• 10044908Jun 29, 2012Seats. Toyota: in some vehicles, when moving seat from stowed position to upright, 3rd row maul seatback fails to lock in place.
• 10045140Jun 13, 2012Vehicle speed control. Toyota: accelerator pedal sensor assembly information regarding the inspection, removal, and installation, if lubrication or oil, is applied.
• 10044156Mar 13, 2012Engine cooling, Electrical system. Toyota: charging system inoperative. Some engines may exhibit insufficient charging performance from the alternator. An updated pulley assembly is available to address this condition.
• 10042892Dec 21, 2011Engine cooling. Toyota: on some vehicles, the engine oil cooler pipes may exhibit an oil seepage. Information has been provided regarding this issue.
• 10060780Dec 13, 2011Seats. Summary to be provided on a future date.
• 10042947Nov 23, 2011Exterior lighting. Toyota: some vehicles may exhibit an intermittent condition when starting vehicle where by the left or right side headlamp will not illuminate.
• 10042555Sep 6, 2011Air bags, Seats. Toyota: information provided for replacing the seat covers for vehicles equipped with side airbags.
• 10039068May 24, 2011Body and structure. Toyota: the side power sliding door opens partially or makes a pop noise when opening with the outside handle. 2011 sienna.
• 10033747May 13, 2010Engine cooling, Transmission and drivetrain. Toyota: engine/hybrid system. Engine control. Some vehicles may exhibit a mil on condition with diagnostic trouble code (dtc) p0456 stored in the engine control module or ecm (sae term:powertrain control module/pcm).
• 10036967Mar 10, 2010Equipment. Toyota: floor mat installation during pds. Vehicles equipped with driver's side floor mat retaining clips to secure the floor mat in correct position.
• 10034284Feb 4, 2010Engine cooling. Toyota: techstream ecu flash reprogramming procedure. 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. Model years from 2001-2011.
• 10197476May 4, 2001Equipment. Replacement vin plates.
• 10197473Jan 18, 1991Equipment. Product general information.

← All problems reported for the 2011 Toyota Sienna