Technical Service Bulletins (TSBs) for the 2012 Corolla 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.
Some customers have experienced amber colored oil like substance found on floor mats. Further investigation reveals the electric power steering column showing signs of the oiling substance leaking Read More »
Some customers have experienced amber colored oil like substance found on floor mats. Further investigation reveals the electric power steering column showing signs of the oiling substance leaking Read More »
TOYOTA: OVER TIME, A PERCEPTIBLE, BUT SLIGHT INCREASE IN BRAKE PEDAL TRAVEL AND WILL NOT EFFECT BRAKING PERFORMANCE, BUT TO ADDRESS THIS CONDITION, AN IMPROVED REAR DRUM BRAKE ADJUSTERS WAS DEVELOPED. MODELS 2009-2013 COROLLA. Read More »
TOYOTA: OVER TIME, A PERCEPTIBLE, BUT SLIGHT INCREASE IN BRAKE PEDAL TRAVEL AND WILL NOT EFFECT BRAKING PERFORMANCE, BUT TO ADDRESS THIS CONDITION, AN IMPROVED REAR DRUM BRAKE ADJUSTERS WAS DEVELOPED. MODELS 2009-2013 COROLLA. 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: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. CERTAIN VEHICLES FAILED TO HAVE THE POSITIVE TEMPERATURE COEFFICIENT (PTC) HEATER RELAYS INSTALLED AT TIME OF MANUFACTURED. MODELS 2011-2012 COROLLA. Read More »
TSB: REVISION NOTICE: INTRODUCTION HAS BEEN UPDATED. ANY PREVIOUS PRINTED VERSIONS OF THIS BULLETIN SHOULD BE DISCARDED. SOME 2012 MODEL YEAR VEHICLES EQUIPPED WITH A DISPLAY AUDIO NAVIGATION SYSTEM AND ENTUNE? (VERSION LESS THAN 2.1. 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 ARE NOT DIAGNOSTIC TROUBLE CODES (DTCS) STORED IN SRS SYSTEM DUE TO A CONDITION WHERE SRS MIL ILLUMINATES, INTERMITTENTLY AND AIRBAG SENSOR ASSEMBLY, IN CENTER, WILL BE REPLACE. Read More »
TOYOTA: ACCELERATOR PEDAL SENSOR ASSEMBLY INFORMATION REGARDING THE INSPECTION, REMOVAL, AND INSTALLATION, IF LUBRICATION OR OIL, IS APPLIED. *PE 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 »
TSB: TOYOTA MODELS EQUIPPED WITH THE DISPLAY AUDIO NAVIGATION SYSTEM REQUIRE A SPECIAL SERVICE TOOL (SST) USB DRIVE TO UPDATE THE MAP, POINTS OF INTEREST, GRACENOTE, AND SYSTEM SOFTWARE. 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: ON SOME MODEL VEHICLES, THE POSITIVE TEMPERATURE COEFFICIENT (PTC) HEATER RELAYS WERE NOT INSTALLED AT TIME OF MANUFACTURED. MODELS 2011-2012 COROLLA. *PE 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 »
TSB: REVISION NOTICE: INTRODUCTION HAS BEEN UPDATED. ANY PREVIOUS PRINTED VERSIONS OF THIS BULLETIN SHOULD BE DISCARDED. SOME 2012 MODEL YEAR VEHICLES EQUIPPED WITH A DISPLAY AUDIO NAVIGATION SYSTEM AND ENTUNE? (VERSION LESS THAN 2.1. Read More »
TSB: TOYOTA MODELS EQUIPPED WITH THE DISPLAY AUDIO NAVIGATION SYSTEM REQUIRE A SPECIAL SERVICE TOOL (SST) USB DRIVE TO UPDATE THE MAP, POINTS OF INTEREST, GRACENOTE, AND SYSTEM SOFTWARE. Read More »
