Technical Service Bulletins (TSBs) for the 2012 Highlander are official communications between Toyota & their dealerships that describe processes for troubleshooting or fixing certain common problems.
All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.
TOYOTA: THERE IS A WHINING NOISE WHEN VEHICLE IS DRIVEN ABOVE 35 MPH, FROM FINAL DRIVE GEAR ASSEMBLY AND A REPAIR PROCEDURE HAS AVAILABLE TO ADDRESS THIS ISSUE. MODEL 2008-2013 HIGHLANDER. Read More »
TT: THE VEHICLE MAY BE DIFFICULT TO START OR HAVE AN ABNORMALLY LOW OR ROUGH IDLE AFTER THE BATTERY HAS BEEN DISCONNECTED OR POWER TO THE ENGINE ECM HAS BEEN INTERRUPTED. Read More »
"TSB: 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. Read More »
TOYOTA: THERE IS A KNOCKING OR RATTLING NOISE COMING FROM ENGINE COMPARTMENT, FOR A SHORT PERIOD OF TIME, AFTER A COLD SOAK STARTUP. MODEL 2010-2012 CAMRY, 2009-2013 HIGHLANDER, VENZA, 2009-2012 RAV4, 2011-2013 SIENNA. Read More »
TOYOTA: ON CERTAIN VEHICLES, A KNOCK OR RATTLE NOISE, COMING FROM ENGINE COMPARTMENT, IS HEARD DURING A COLD SOAK STARTUP, AND THE CONDITION LASTS APPROXIMATELY ONE SECOND. MODEL YEARS 2009-2012 CAMRY, HIGHLANDER, SIENNA, VENZA, RAV4. Read More »
TOYOTA: CHARGING SYSTEM INOPERATIVE. SOME ENGINES MAY EXHIBIT INSUFFICIENT CHARGING PERFORMANCE FROM THE ALTERNATOR. AN UPDATED PULLEY ASSEMBLY IS AVAILABLE TO ADDRESS THIS CONDITION. *JS Read More »
TOYOTA: THERE IS A WHINING NOISE WHEN VEHICLE IS DRIVEN ABOVE 35 MPH, FROM FINAL DRIVE GEAR ASSEMBLY AND A REPAIR PROCEDURE HAS AVAILABLE TO ADDRESS THIS ISSUE. MODEL 2008-2013 HIGHLANDER. Read More »
TT: THE VEHICLE MAY BE DIFFICULT TO START OR HAVE AN ABNORMALLY LOW OR ROUGH IDLE AFTER THE BATTERY HAS BEEN DISCONNECTED OR POWER TO THE ENGINE ECM HAS BEEN INTERRUPTED. Read More »
"TSB: 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. Read More »
TOYOTA: CHARGING SYSTEM INOPERATIVE. SOME ENGINES MAY EXHIBIT INSUFFICIENT CHARGING PERFORMANCE FROM THE ALTERNATOR. AN UPDATED PULLEY ASSEMBLY IS AVAILABLE TO ADDRESS THIS CONDITION. *JS Read More »
TOYOTA: ACCELERATOR PEDAL SENSOR ASSEMBLY INFORMATION REGARDING THE INSPECTION, REMOVAL, AND INSTALLATION, IF LUBRICATION OR OIL, IS APPLIED. *PE Read More »
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). Read More »
"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. Read More »
TT: CUSTOMERS MAY EXPERIENCE CONNECTIVITY ISSUES WHEN THE FOLLOWING CONDITIONS ARE MET: THE CUSTOMER'S IPHONE IS OPERATING ON IOS9 FIRMWARE. THE CUSTOMER'S IPHONE IS CONNECTED TO THE VEHICLE VIA BLUETOOTH. Read More »
TT: CUSTOMERS MAY EXPERIENCE CONNECTIVITY ISSUES WHEN THE FOLLOWING CONDITIONS ARE MET: THE CUSTOMER'S IPHONE IS OPERATING ON IOS9 FIRMWARE. THE CUSTOMER'S IPHONE IS CONNECTED TO THE VEHICLE VIA BLUETOOTH. Read More »
TOYOTA: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. INFORMATION PROVIDED REGARDING THE UPDATED OWNER'S MANUAL FOR CERTAIN VEHICLES. MODELS 2008-2012 HIGHLANDER. *PE Read More »
