2012 Toyota Corolla Technical Service Bulletins

350 technical service bulletins (TSBs) are on record for the 2012 Toyota Corolla. 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.

• 10132136Oct 23, 2013Visibility (wipers, defrost, mirrors). The appearance of spots in tempered glass (when viewed at certain angles) is the result of the heat treating and quick quenching process during manufacturing.
• 10132134Oct 23, 2013Equipment. Some vehicles equipped with Display Audio may exhibit a condition where the touch screen is inoperative.
• 10132137Oct 2, 2013Equipment, Engine cooling. If a customer states there is an unpleasant odor in the vehicle from the HVAC system, there are various factors that may be involved.
• 10132131Oct 2, 2013Engine. Due to the improved performance and durability of 0w-20 synthetic oil, Toyota has extended the oil change intervals to 10,000 miles for most vehicles that require this oil. With this change, the following should be noted
• 10132130Oct 2, 2013Equipment. Customer?s experiencing this condition can use a 3rd party podcast application on their iPhone (such as Pocket Casts or Instances) instead of the native Apple Podcast application.
• 10062066Oct 2, 2013Equipment. Summary to be provided on a future date.
• 10062065Oct 2, 2013Equipment. Summary to be provided on a future date.
• 10132084Oct 1, 2013Transmission and drivetrain. The purpose of this service bulletin is to provide precautions to follow when installing an automatic transmission/transaxle assembly to avoid MIL ?ON,? shifting issues, and/or transmission damage. Use the information in this bulletin when installing an automatic transmission/transaxle assembly
• 10062063Sep 27, 2013Equipment. Summary to be provided on a future date.
• 10062062Sep 26, 2013Equipment. Summary to be provided on a future date.
• 10132157Sep 13, 2013Equipment. To receive satellite radio functions after the initial trial period has expired, the customer must enter into a contract with XM Satellite Radio Inc. After entering into a contract, registration of an 8-digit XM Radio ID is required. This 8-digit XM Radio ID is found by turning to channel ?0? of the satellite radio.
• 10132156Sep 13, 2013Equipment. If a customer states there is an unpleasant odor in the vehicle from the HVAC system, there are various factors that may be involved.
• 10062058Sep 13, 2013Equipment. Summary to be provided on a future date.
• 10062013Sep 13, 2013Equipment. Summary to be provided on a future date.
• 10131985Sep 12, 2013Equipment. Some 2004 ? 2014 model year Toyota vehicles may exhibit odors naturally occurring from the HVAC system and/or related environmental factors. Although there is no way to eliminate these odors, follow the General Procedure in this bulletin to minimize the odors experienced.
• 10131984Sep 9, 2013Equipment, Brakes. A new Special Service Tool (SST 09709-00002) has been introduced to aid in the inspection procedure for certain vehicles equipped with a floor pedal-type parking brake system. This bulletin references the correct method for installing the Brake Pedal Force Gauge. Refer to the appropriate Repair Manual for parking brake pedal travel inspection and adjustment specification.
• 10061620Sep 9, 2013Brakes. Summary to be provided on a future date.
• 10132230Aug 30, 2013Brakes. 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.
• 10062057Aug 27, 2013Equipment. Summary to be provided on a future date.
• 10052587Aug 19, 2013Engine cooling. 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.
• 10062047Aug 5, 2013Equipment. Summary to be provided on a future date.
• 10062009Aug 2, 2013Equipment. Summary to be provided on a future date.
• 10132269Jul 25, 2013Visibility (wipers, defrost, mirrors). Tips for writing a DPR (Dealer Product Report) on manufacturing issues for windows and windshields.
• 10062053Jul 25, 2013Body and structure. Summary to be provided on a future date.
• 10132239Jul 11, 2013Equipment. The procedure in this bulletin is a general guideline on how to properly diagnose the air conditioning system after a component failure. Refer to the applicable Repair Manual for vehicle specific repair procedures and parts.
• 10061589Jul 11, 2013Equipment. Summary to be provided on a future date.
• 10132264Jul 8, 2013Transmission and drivetrain, Steering. 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.
• 10075953Jul 8, 2013Steering. 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
• 10062049Jun 8, 2013Steering. Summary to be provided on a future date.
• 10132049May 22, 2013Equipment. The Premium Display Audio type Entune system does not connect to the internet when using an iPhone.
• 10132048May 22, 2013Tires. Please refer to the following recommendations for the best practices for vehicle tire rotations.
• 10062018May 22, 2013Equipment. Summary to be provided on a future date.
• 10062016May 22, 2013Tires. Summary to be provided on a future date.
• 10132047May 14, 2013Equipment. When diagnosing audio, navigation, and Bluetooth concerns on Toyota vehicles equipped with Premium Display Audio with Entune, adhere to the guidelines listed below.
• 10062048May 14, 2013Equipment. Summary to be provided on a future date.
• 10132291Apr 29, 2013Equipment. 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. The SST is used with all the vehicles to deliver the update, however a unique Activation Number is required for each vehicle.
• 10132295Apr 23, 2013Equipment. This bulletin is now obsolete. Please see T-SB-0054-13.
• 10132287Apr 23, 2013Equipment. California (CA), Federal (FED), and 50 State Certified emission control underhood labels (emission labels) may be obtained through your dealership?s Parts Department utilizing standard replacement parts ordering procedures. Follow the guidelines outlined in this bulletin to ensure proper label application.
• 10132282Apr 9, 2013Air bags, Equipment. 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.
• 10132318Apr 8, 2013Equipment. Horn is inoperative
• 10062045Apr 8, 2013Electrical system. Summary to be provided on a future date.
• 10132316Apr 4, 2013Equipment. Since MY 2011, several different update or upgrade USB SSTs have been issued for Toyota audio and navigation systems. Refer to the chart below for a comprehensive list of all current and previously issued USB SSTs and their applicability.
• 10132281Apr 4, 2013Body and structure, Back-over prevention (rear camera). If a creak, tick, or rattle noise is heard at the top or bottom of the windshield, or at the top of the rear glass, the source of the noise may be the two stoppers bonded to the top of the windshield/rear glass, or the windshield retainers bonded to the lower edge of the windshield. This bulletin provides the recommended repair procedure to eliminate these types of noises from the windshield/rear glass area.
• 10062044Apr 4, 2013Equipment. Summary to be provided on a future date.
• 10133820Mar 29, 2013Equipment. In certain 2011 and 2012 model year Corolla vehicles manufactured at TMMMS the Positive Temperature Coefficient relays were not installed.
• 10133797Mar 26, 2013Equipment. This bulletin is now obsolete. Please see T-SB-0051-13.
• 10133795Mar 26, 2013Equipment. 2012-2013 model year vehicles equipped with a Display Audio Navigation System and Entune (version less than 2.2.0) may exhibit one or more of the following conditions.
• 10133822Mar 25, 2013Equipment. Toyota will be sending Safety Recall Follow Up Notices to remind owners whose vehicles have not yet had campaign repair completed. Please note the following information for Regional and PD associates.
• 10133821Mar 25, 2013Equipment. Toyota will be sending Safety Recall Follow Up Notices to remind owners whose vehicles have not yet had campaign repair completed. Please note the following information for Regional and PD associates.
• 10133809Mar 25, 2013Engine. Starting with 2010 Model Year, Toyota began a gradual transition to the use of synthetic 0W-20 viscosity engine oil. There a re man benefits of this oil.

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