2012 Toyota Tundra Technical Service Bulletins

316 technical service bulletins (TSBs) are on record for the 2012 Toyota Tundra. 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.

• 10131786Feb 21, 2017Equipment. TT: This bulletin is regarding best practices when handling navigation systems that use Hard Disc Drive or Micro SD Card memory.
• 10152205Jan 6, 2017Electrical system. TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes SB No. T-SB-0101-11. Applicability has been updated to include 2016 ? 2017 model year vehicles. Service Bulletin No. T-SB-0101-11 is Obsolete and any printed versions should be discarded. Be sure to review the entire content of this bulletin before proceeding. When servicing interior electrical switches and components, please note the…
• 10132930Nov 29, 2016Electrical system. TSB: OBSOLETE NOTICE: September 14, 2016: This bulletin is now obsolete. Please see T-SB-0134-16.
• 10132901Nov 10, 2016Equipment. TSB: REVISION NOTICE November 10, 2016 Rev2: ? Applicability has been updated to include 2016 ? 2017 model year Toyota vehicles. ? Parts Information section has been updated. Some 2004 ? 2017 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…
• 10132889Oct 31, 2016Body and structure. TSB: Some 2008 ? 2016 Sequoia and 2007 ? 2017 model year Tundra vehicles may exhibit a loud popping noise when operating the front doors. Noise is due to a fracture/crack in the plastic over mold of the door check arm by the pivot area. Follow the Repair Procedure in this bulletin to address this condition. NOTE If the vehicle is being repaired due to damage resulting from an accident, this Service Bulletin and…
• 10132642Oct 3, 2016Electrical system. TT: Some customers may experience Bluetooth disconnections or loss of SMS text message functionality on the navigation/audio system with Android phones running OS 4.4 or later. Condition tends to occur to customers who have many previous text messages on their phones.
• 10150418Sep 14, 2016Electrical system. TSB: Supersession Notice. 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).
• 10149217Sep 14, 2016Engine. TSB: Supersession Notice. 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).
• 10111643Aug 30, 2016Equipment. TT: Some customers may encounter Bluetooth® connectivity concerns such as: *Difficulty to pair the phone. *Intermittent Bluetooth® failure to connect to the vehicle when first turning on the vehicle. *Various Bluetooth® Audio functions are no longer functioning with customer's phone such as ability to change the track using the steering wheel controls.
• 10145776Jul 21, 2016Equipment. Update on Technician Certification Requirements.
• 10134117Jun 1, 2016Electrical system, Engine. Dealer Letter: LSC Expired on May 31, 2016.
• 10142475May 25, 2016Equipment. TSB: The breather plug should be replaced during any differential/transfer case repairs to prevent possible repeat failures. The subsequent use of the original breather plug after a repair has been found to contribute to the failure of the differential/transfer case components. Replace the breather plug when replacing differential/transfer case components.
• 10140633May 25, 2016Electrical system, Equipment. TSB: The breather plug should be replaced during any differential/transfer case repairs to prevent possible repeat failures. The subsequent use of the original breather plug after a repair has been found to contribute to the failure of the differential/transfer case components. Replace the breather plug when replacing differential/transfer case components.
• 10096909May 25, 2016Hybrid propulsion system, Electrical system. Tsb: the breather plug should be replaced during any differential/transfer case repairs to prevent possible repeat failures. The subsequent use of the original breather plug after a repair has been found to contribute to the failure of the differential/transfer case components. Replace the breather plug when replacing differential/transfer case components.
• 10142464May 19, 2016Equipment, Body and structure. 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). The stain patterns are usually under wrinkles in the Rapgard?. These wrinkles sometimes trap water and cause the paint to stain from the trapped moisture, especially on horizontal surfaces, such as the hood, roof, and trunk. Stains can be…
• 10140622May 19, 2016Body and structure. 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). The stain patterns are usually under wrinkles in the Rapgard?. These wrinkles sometimes trap water and cause the paint to stain from the trapped moisture, especially on horizontal surfaces, such as the hood, roof, and trunk. Stains can be…
• 10096862May 19, 2016Equipment. 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). The stain patterns are usually under wrinkles in the rapgard™. These wrinkles sometimes trap water and cause the paint to stain from the trapped moisture, especially on horizontal surfaces, such as the hood, roof, and trunk. Stains can be…
• 10182949Apr 22, 2016Engine cooling. On vehicles equipped with the SET accessory Split Rear Dual Exhaust system, the
• 10076047Apr 22, 2016Engine cooling. Tundra Split Rear Dual Exhaust Revised Exhaust Hangers On vehicles equipped with the SET accessory Split Rear Dual Exhaust system, the exhaust pipe may become loose due to the rubber isolator separating from the bracket. This will allow the exhaust pipe to come in contact with the frame or suspension and cause a rattling noise. The exhaust pipe is still supported by the remaining brackets.
• 10134393Apr 11, 2016Transmission and drivetrain, Engine cooling. Technical Instructions: In certain 2012 ? 2014 Model Year Toyota Tundra and Sequoia vehicles equipped with a 5.7 Liter gasoline or 5.7 Liter-Flex Fuel engines, the Engine Control Module (ECM) may set a Diagnostic Trouble Code (DTC) if debris/ice becomes lodged in the air switching valve. If this occurs, the Malfunction Indicator (Check Engine) Light could illuminate and the vehicle could enter a ?Fail-Safe? Mode…
• 10134391Apr 11, 2016Equipment. Dealer Daily Notice: In our continuing efforts to ensure the best in customer satisfaction, Toyota has turned Limited Service Campaign (LSC) F0A into Special Service Campaign (SSC) F0A with no expiration date. Toyota will be mailing a second owner letter to customers, in late April, 2016, who have not had LSC F0A completed. The second owner letter will advise the customer the program has been extended with no…
• 10134392Apr 7, 2016Engine cooling, Transmission and drivetrain. Technical Instructions: In certain 2012 ? 2014 Model Year Toyota Tundra and Sequoia vehicles equipped with a 5.7 Liter gasoline or 5.7 Liter-Flex Fuel engines, the Engine Control Module (ECM) may set a Diagnostic Trouble Code (DTC) if debris/ice becomes lodged in the air switching valve. If this occurs, the Malfunction Indicator (Check Engine) Light could illuminate and the vehicle could enter a ?Fail-Safe? Mode…
• 10134390Apr 7, 2016Fuel system. Dealer Letter: In our continuing efforts to ensure the best in customer satisfaction, Toyota has turned Limited Service Campaign (LSC) F0A into Special Service Campaign (SSC) F0A with no expiration date. This SSC covers certain 2012 ? 2014 MY Tundra and Sequoia vehicles. This SSC will cover approximately 39,000 Sequoia and 247,000 Tundra vehicles equipped with a 5.7 liter gasoline or 5.7 Liter-Flex Fuel engines. In…
• 10134321Mar 8, 2016Electrical system. TT: 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.
• 10134320Mar 8, 2016Electrical system. 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. ? Various Bluetooth Audio functions are no longer functioning with the customer?s phone, such as the ability to change the track using the steering wheel controls. These concerns can be caused by changes made on the customer?s phone.
• 10097055Mar 8, 2016Equipment. "tt: 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. "
• 10097052Mar 8, 2016Equipment. "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. • various bluetooth audio functions are no longer functioning with the customer’s phone, such as the ability to change the track using the steering wheel controls. These concerns can be caused by changes made on the customer’s phone.
• 10116442Feb 26, 2016Equipment. Southeast Toyota Accessory Advent Navigation system displays splash screen only or randomly shuts off, Discusses audio system hard reset procedure and updated software card.
• 10134281Feb 25, 2016Electrical system. Tech Tip: This Tech Tip is being provided to bring attention to the new location of the Entune/NAV/Map Update and Upgrade USB Directory. Click on the TIS tab, Diagnostics tab, Telematics tab, and the document is now located under the reference documents sections. This change has occurred to help speed up the updating process of this document.
• 10093361Feb 25, 2016Electrical system, Equipment. "tech tip: this tech tip is being provided to bring attention to the new location of the entune/nav/map update and upgrade usb directory. Click on the tis tab, diagnostics tab, telematics tab, and the document is now located under the reference documents sections. This change has occurred to help speed up the updating process of this document. "
• 10116439Jan 15, 2016Electrical system. Discusses Southeast Toyota Accessory Keyless Entry system General trouble shooting and revised control module identification.
• 10134140Jan 11, 2016Electrical system. Tech Tip: Some customers may experience difficulty programming HomeLink.
• 10096097Jan 11, 2016Equipment. Tech tip: some customers may experience difficulty programming homelink.
• 10152265Dec 1, 2015Equipment. TT: Since MY 2011, several different update or upgrade USB SST's have been issued for Toyota audio and navigation system. Refer to the chart below for a comprehensive list of all current and previously issued USB SSTs and their applicability.
• 10093540Dec 1, 2015Equipment. "tt: since my 2011, several different update or upgrade usb sst's have been issued for toyota audio and navigation system. Refer to the chart below for a comprehensive list of all current and previously issued usb ssts and their applicability. "
• 10111547Oct 13, 2015Equipment. TT: Some customers may experience Bluetooth disconnections or loss of SMS Text Message Functionality on the navigation/audio system with Android phones running OS 4.4 or later. Condition tends to occur to customers who have many previous text messages on their phones.
• 10096332Oct 13, 2015Equipment. Tt: some customers may experience bluetooth disconnections or loss of sms text message functionality on the navigation/audio system with android phones running os 4.4 or later. Condition tends to occur to customers who have many previous text messages on their phones.
• 10134262Sep 30, 2015Tires. EC: Toyota is providing enhanced instructions for the use and reinstallation of the spare tire.
• 10134259Sep 30, 2015Tires. DL: Toyota is providing enhanced instructions for the use and reinstallation of the spare tire.
• 10134253Sep 30, 2015Tires. RL: Toyota is providing enhanced instructions for the use and reinstallation of the spare tire.
• 10096793Sep 30, 2015Tires, Equipment. Ec: toyota is providing enhanced instructions for the use and reinstallation of the spare tire.
• 10096785Sep 30, 2015Equipment, Tires. Dl: toyota is providing enhanced instructions for the use and reinstallation of the spare tire.
• 10096771Sep 30, 2015Equipment, Tires. Rl: toyota is providing enhanced instructions for the use and reinstallation of the spare tire.
• 10134224Sep 21, 2015Equipment. TT: 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.
• 10096561Sep 21, 2015Equipment. Tt: 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.
• 10134223Sep 15, 2015Electrical system, Engine. 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.
• 10096556Sep 15, 2015Engine, Electrical system. 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.
• 10134220Sep 14, 2015Equipment, Electrical system. 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. The customer may complain of the following issues: When receiving two incoming calls simultaneously, both calls are ended automatically. iTunes Radio app does not play via Bluetooth audio. Podcast and Audiobook…
• 10096550Sep 14, 2015Equipment. 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. The customer may complain of the following issues: when receiving two incoming calls simultaneously, both calls are ended automatically. Itunes radio app does not play via bluetooth audio. Podcast and audiobook…
• 10134454Aug 24, 2015Transmission and drivetrain. TechTip: Condition - 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.

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