2012 Toyota HighlanderService bulletins
2012 Toyota Highlander Technical Service Bulletins
320 technical service bulletins (TSBs) are on record for the 2012 Toyota Highlander. 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.
- 10133897Jan 29, 2013Electrical system. 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 TIS and the CUW.
- 10133917Jan 10, 2013Electrical system. technicians should confirm the following key points to minimize the potential for future MIL "ON" concerns after HV Battery Replacement.
- 10133915Jan 3, 2013Air bags. Toyota vehicles are equipped with SRS, including various airbags and in some models, seat belt pre-tensioners, to help reduce the risk of injury in a collision. If a customer expresses any concerns that the SRS airbags or pretensioner devices did not perform as expected, please follow the steps in the recommendations section below.
- 10133878Jan 2, 2013Electrical system. 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). Flash calibration updates…
- 10133964Dec 21, 2012Engine. Starting with the 2010 MY, Toyota began a gradual transition to the use of synthetic 0w-20 viscosity engine oil.
- 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.
- 10133998Oct 22, 2012Body and structure. Some 2008-2012 model year Highlander and Highlander HV vehicles may exhibit a condition where the Power Back Door does no close properly. The Back Door may get to the fully closed position and then reverse to the open position. In cases where the Power Back Door does not close, a pop or clunk noise may also be heard when the back door latch reaches the striker during the power close function.
- 10062023Oct 11, 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.
- 10075922Jun 21, 2012Body and structure. Summary to be provided on a future date.
- 10061594Jun 21, 2012Body and structure. Summary to be provided on a future date.
- 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.
- 10061633Oct 14, 2011Body and structure. 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 Highlander
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.