2012 Toyota COROLLA Manufacturer communications & TSBs.Page 4
Original record summaries, dates and identifiers for this model-year. Records 301–350 of 350, ordered newest first. Dated records on this page: Jan 18, 1991–Mar 25, 2013.
Read the applicability before drawing a conclusion.
This archive includes service bulletins, warranty notices, software instructions and other communications. Records may repeat or supersede earlier instructions. A model-year association is not proof that a document covers every engine, trim, VIN or reported symptom, or that a repair is free.
NHTSA download snapshot: Sep 28, 2026. These are communication associations for this vehicle, not unique defects. How records are joined and counted.
Mar 25, 2013Service Bulletin/Repair Instructions
T-SB-0048-13
NHTSA communication ID: 10133793
NHTSA source summary · Original PDF not reviewed by Recallfolio
Some 2009 ? 2013 model year Corolla and Matrix vehicles may exhibit uneven brake pad wear on the rear disc brake pads. The vehicle may also exhibit a grinding or scraping noise due to the uneven brake pad wear. An updated rear disc brake pad kit has been developed to address this condition.
NHTSA source summary · Original PDF not reviewed by Recallfolio
The customer is having difficulty changing the multi-display screen from Day Mode. If the multi-display screen is set to Day Mode when the headlights are on, the setting we be memorized when the engine is turned off.
NHTSA source summary · Original PDF not reviewed by Recallfolio
Some 2012 model year Corolla, Prius, Prius V, Sienna, and Venza vehicles may set SRS Diagnostic Trouble Codes (DTCs) that are not listed in the Repair Manual. Refer to the chart in this bulletin to diagnose these DTCs.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This communication pertains to a current safety recall being conducted by the Southeast Toyota Distributors LLC (SET). TMS is sending this communication for informational purposes in the event you are contacted by a customer covered by this recall.
NHTSA source summary · Original PDF not reviewed by Recallfolio
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.
NHTSA source summary · Original PDF not reviewed by Recallfolio
Three NEW application have been developed to enhance the Entune experience in vehicles equipped with the Display Audio Navigation System with Entune. All customers with these vehicles have been shipped instructions on this update along with a USB drive to install the new applications. In the event that a customer requests the install be performed by a technician, follow the procedures in this bulletin to perform the update.
NHTSA source summary · Original PDF not reviewed by Recallfolio
Toyota models equipped with the display Audio HDD Navigation System Require a Special Service Tool (SST) USB drive to update the map, points of interest, Gracenote, and system software. The SST is used with all vehicles to deliver the update, however a unique Activation Number is required for each vehicle. Activation numbers are provided in an ACN pamphlet available through the normal parts ordering system.
NHTSA source summary · Original PDF not reviewed by Recallfolio
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.
NHTSA source summary · Original PDF not reviewed by Recallfolio
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 can only be applied to the vehicle/ECU combination for which they are intended. ECUs have internal security that will not allow them to be programmed with another ECU?s information.
NHTSA source summary · Original PDF not reviewed by Recallfolio
A revised procedure has been developed to ensure proper removal and installation of the sun visor. Please use the following procedure for removal and installation of the sun visor.
NHTSA source summary · Original PDF not reviewed by Recallfolio
Some 2009 ? 2013 Corolla vehicles may exhibit a condition where, over time, there is a slight, but perceptible increase in brake pedal travel. This condition has no effect on braking performance. Improved rear drum brake adjusters have been developed to improve this condition.
NHTSA source summary · Original PDF not reviewed by Recallfolio
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. *PE
Source components: SERVICE BRAKES, AIR:DRUM:DRUM · SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM:DRUM.
NHTSA source summary · Original PDF not reviewed by Recallfolio
Some 2012 model year Corolla and Matrix vehicles may exhibit a condition where the SRS MIL may illuminate intermittently, with no Diagnostic Trouble Codes (DTCs) stored in the SRS system. Replace the center airbag sensor assembly to address this condition. This condition will not affect airbag deployment in a collision.
NHTSA source summary · Original PDF not reviewed by Recallfolio
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. DEPLOYMENT OF AIRBAG WILL NOT BE AFFECT IN A COLLISION. MODELS 2012 COROLLA, MATRIX. *PE
NHTSA source summary · Original PDF not reviewed by Recallfolio
Some 2009 ? 2013 model year Corolla and 2009 ? 2012 model year Matrix vehicles may exhibit a rattle, pop, or click noise when operating the driver or passenger front window glass. In some cases, the front window may become inoperative. This may be due to loose window regulator mounting bolts. Use the following repair procedure to address this condition.
NHTSA source summary · Original PDF not reviewed by Recallfolio
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.
NHTSA source summary · Original PDF not reviewed by Recallfolio
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. With run-flat tires, due to reinforced sidewalls, it is possible to drive for up to 100 miles (160 km) at speeds less than 55 mph (90 km/h) with little or no damage to the tire.
NHTSA source summary · Original PDF not reviewed by Recallfolio
In certain 2011 and 2012 Model Year Toyota Corolla vehicles manufactured at TMMMS, the Positive Temperature Coefficient (PTC) Heater relays were not installed.
NHTSA source summary · Original PDF not reviewed by Recallfolio
In certain 2011 and 2012 Model Year Toyota Corolla vehicles manufactured at TMMMS, the Positive Temperature Coefficient (PTC) Heater relays were not installed.
NHTSA source summary · Original PDF not reviewed by Recallfolio
TOYOTA: ON SOME MODEL VEHICLES, THE POSITIVE TEMPERATURE COEFFICIENT (PTC) HEATER RELAYS WERE NOT INSTALLED AT TIME OF MANUFACTURED. MODELS 2011-2012 COROLLA. *PE