2012 Toyota Tacoma Technical Service Bulletins

464 technical service bulletins (TSBs) are on record for the 2012 Toyota Tacoma. 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.

• 10111229Feb 2, 2015Equipment, Electrical system. TT: Some customers may encounter various Bluetooth connectivity concerns after upgrading to iOS 8.0 and later. Conditions typically experienced include inability to pair the iPhone to the system, poor sound quality during phone calls placed through the audio/navigation system, and the inability to place a hands free phone call using the audio/navigation system.
• 10111339Jan 30, 2015Equipment. TT: Some vehicles equipped with Display Audio may exhibit a condition where the touch screen is inoperative.
• 10111249Jan 30, 2015Equipment. TT: Some vehicles equipped with Display Audio may exhibit a condition where the touch screen is inoperative.
• 10134128Jan 15, 2015Electrical system, Engine. 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. This bulletin details the Techstream ECU flash reprogramming process and outlines use of the Technical Information System (TIS) and the Calibration Update Wizard (CUW).
• 10096036Jan 15, 2015Electrical system, Engine. "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. This bulletin details the techstream ecu flash reprogramming process and outlines use of the technical information system (tis) and the calibration update wizard (cuw).
• 10111338Jan 12, 2015Equipment. TT: Customers complain of various Bluetooth connectivity concerns after upgrading to iOS 8.0 and later. Conditions typically experienced include inability to pair the iPhone to the system, poor sound quality during phone calls placed through the audio/navigation system, and the inability to place a hands free phone call using the audio/navigation system.
• 10111248Jan 12, 2015Electrical system, Equipment. TT: Customers complain of various Bluetooth connectivity concerns after upgrading to iOS 8.0 and later. Conditions typically experienced include inability to pair the iPhone to the system, poor sound quality during phone calls placed through the audio/navigation system, and the inability to place a hands free phone call using the audio/navigation system.
• 10109408Oct 16, 2014Transmission and drivetrain. TSB: The purpose of this bulletin is to assist in the identification and location of serial numbers on 2006 -2014 model year remanufactured automatic transmissions.
• 10109405Oct 16, 2014Transmission and drivetrain, Equipment. TSB: The purpose of this bulletin is to provide information regarding transmission and/or park neutral position switch installation. If the manual shift lever is rotated prior to installing the park neutral position switch, the detent spring may become detached from the manual shift lever.
• 10109404Oct 16, 2014Transmission and drivetrain. TSB: The purpose of this service bulletin is to provide information regarding the installation of the correct torque converter bolts during automatic transmission/transaxle assembly replacement. Incorrect torque converter bolts or missing washers can cause damage to the torque converter assembly.
• 10109403Oct 16, 2014Transmission and drivetrain. TSB: World Standard (WS) Automatic Transmission Fluid (ATF) was introduced to reduce maintenance costs and increase the mileage between scheduled maintenance checks. Here are some important tips when working with ATF-WS in Toyota vehicles requiring it's use.
• 10109464Oct 15, 2014Electrical system, Equipment. Tech Tip: 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.
• 10109402Oct 14, 2014Equipment, Engine cooling. TSB: Some 2012 - 2014 model year Tacoma vehicles equipped with 1GR-FE engines may exhibit spark knock (detonation) during light acceleration and/or uphill in hot weather (80°F or higher). The Engine Control module/ECM (SAE term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition occurring.
• 10109463Oct 13, 2014Electrical system, Equipment. Tech Tip: Customer complains of carious Bluetooth connectivity concerns after upgrading to iOS 8.0 and later. Conditions typically experienced include inability to pair the iPhone to the system, poor sound quality during phone calls placed through the audio/navigation system, and the inability to place a hands free phone call using the audio/navigation system.
• 10109493Sep 30, 2014Transmission and drivetrain. TSB: The purpose of this bulletin is to assist in the identification and location of serial numbers on 2006 - 2014 model year automatic transmissions.
• 10109492Sep 30, 2014Transmission and drivetrain. TSB: The purpose of this 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.
• 10109481Sep 10, 2014Transmission and drivetrain. TSB: Some 2005 - 2014 model year Tacoma vehicles may exhibit a squeak or creak noise from the clutch pedal when it is depressed or released. Changes have been made to the clutch pedal and clutch master cylinder assembly to address this condition.
• 10109557Aug 27, 2014Equipment, Electrical system. TSB: Some 2012 ? 2014 model year Tacoma vehicles equipped with 1GR-FE engines may exhibit a MIL "ON" condition for the following Diagnostic Trouble Codes (DTCs): ? P015A - A/F Sensor Delayed Response - Rich to Lean Bank 1 Sensor 1 ? P015B - A/F Sensor Delayed Response - Lean to Rich Bank 1 Sensor 1 ? P015C - A/F Sensor Delayed Response - Rich to Lean Bank 2 Sensor 1 ?
• 10061281Aug 27, 2014Engine. Summary to be provided on a future date.
• 10109587Aug 19, 2014Equipment. Tech Tip: Since MY 2011, several different update or upgrade USB SSTs have been issued for Toyota audio and navigation systems.
• 10109538Aug 8, 2014Transmission and drivetrain. TSB: Some 4WD 2005 - 2013 model year Tacoma vehicles equipped with an automatic transmission may exhibit a clunk/thunk noise from the rear of the vehicle or a "bump-from-behind" sensation just before a stop or when accelerating from a stop. Improvements have been implemented on the rear propeller shaft (driveshaft) to reduce this condition.
• 10109537Aug 8, 2014Transmission and drivetrain. TSB: Some 2WD 2005 - 2013 model year Tacoma vehicles equipped with an automatic transmission may exhibit a clunk/thunk noise from the rear of the vehicle or a "bump-from-behind" sensation just before a stop or when accelerating from a stop. Improvements have been implemented on the rear propeller shaft (driveshaft). Follow the Repair Procedure in this bulletin to improve this condition.
• 10132742Jul 29, 2014Electrical system, Visibility (wipers, defrost, mirrors). Tech Tip: Tips for writing a DPR (Dealer Product Report) on manufacturing issues for windows and windshields.
• 10132717Jul 28, 2014Transmission and drivetrain, Vehicle speed control. TSB: Some 2005 ? 2014 model year Tacoma vehicles equipped with 1GR-FE engine (PreRunner and 4WD) and automatic or 6-speed manual transmission may exhibit a vibration felt in the seat, floorboard, and steering wheel between 15 ? 25 mph caused by a second order drivetrain vibration under acceleration. The following Repair Procedure may improve this condition.
• 10061332Jul 28, 2014Transmission and drivetrain. Summary to be provided on a future date.
• 10132715Jul 25, 2014Equipment. TSB: The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased.
• 10132741Jul 8, 2014Engine. Tech Tip: Starting with the 2010 Model Year, Toyota began a gradual transition to the use of synthetic 0w20 viscosity engine oil. There are multiple benefits of this oil including: Reduced friction and wear on engine surfaces, Improved fuel economy, Reduction in waste oil stream (in vehicles approved for 10,000 mile oil change intervals), Reduced maintenance cost (in vehicles approved for 10,000 mile oil change…
• 10132709Jul 7, 2014Transmission and drivetrain, Vehicle speed control. TSB: Some 2012 ? 2014 model year Tacoma vehicles equipped with 1GR-FE engines may exhibit spark knock (detonation) during light acceleration and/or uphill in hot weather (80°F or higher). The Engine Control module/ECM (SAE term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition occurring.
• 10132708Jul 7, 2014Equipment. TSB: The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased.
• 10061330Jul 7, 2014Engine. Summary to be provided on a future date.
• 10060733Jul 7, 2014Engine. Summary to be provided on a future date.
• 10132762Jun 12, 2014Electrical system. 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. This bulletin details the Techstream ECU flash reprogramming process and outlines use of the Technical Information System (TIS) and the Calibration Update Wizard (CUW).
• 10132761Jun 12, 2014Transmission and drivetrain. TSB: Some 2012 ? 2014 model year Tacoma vehicles equipped with the A340 automatic transmission may exhibit a shudder condition on deceleration at approximately 20 mph after the vehicle has cold soaked. The Engine Control Module/ECM (SAE term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition occurring. Follow the Repair Procedure in this bulletin to address this…
• 10132760Jun 4, 2014Equipment. TSB: Some 2005 ? 2014 model year Tacoma vehicles used in severe off-road service conditions may exhibit a cracked Horn Mounting Bracket. Use the procedure in this bulletin to address this condition.
• 10060726Jun 4, 2014Electrical system. Summary to be provided on a future date.
• 10132759Jun 3, 2014Transmission and drivetrain, Back-over prevention (rear camera). TSB: Some 2WD 2005 ? 2013 model year Tacoma vehicles equipped with an automatic transmission may exhibit a clunk/thunk noise from the rear of the vehicle or a ?bump-from-behind? sensation just before a stop or when accelerating from a stop. Improvements have been implemented on the rear propeller shaft (driveshaft).
• 10132758Jun 3, 2014Transmission and drivetrain, Back-over prevention (rear camera). TSB: Some 4WD 2005 ? 2013 model year Tacoma vehicles equipped with an automatic transmission may exhibit a clunk/thunk noise from the rear of the vehicle or a ?bump-from-behind? sensation just before a stop or when accelerating from a stop. Improvements have been implemented on the rear propeller shaft (driveshaft) to reduce this condition.
• 10056065Jun 3, 2014Transmission and drivetrain. Toyota: a sensation of a bump from behind or exhibiting a clunk or thunk noise coming from rear just as accelerating or coming to a stop. Model 2005-2013 tacoma.
• 10050665Jun 3, 2014Transmission and drivetrain. Toyota: just before coming to a stop or accelerating from a stop would experience a bump from behind sensation or hear a thunking or clunking noise from rear of vehicle. Information on repair procedure on rear propeller shaft (driveshaft) has been implemented. Model 2005-2012 tacoma. *pe updated 8/29/14.
• 10132812May 1, 2014Engine, Back-over prevention (rear camera). Tech Tip: Low battery voltage can contribute to a MIL "ON" condition for P0335 (Crankshaft Position Sensor Circuit) and/or P0340 (Camshaft Position Sensor Circuit) due to inconsistent rotational speed of the engine's crankshaft.
• 10131807Apr 10, 2014Transmission and drivetrain. Some 2012 ? 2014 model year Tacoma vehicles equipped with the A340 automatic transmission may exhibit a shudder condition on deceleration at approximately 20 mph after the vehicle has cold soaked. The Engine Control Module/ECM (SAE term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition occurring. Follow the Repair Procedure in this bulletin to address this condition.
• 10060705Apr 10, 2014Transmission and drivetrain. Summary to be provided on a future date.
• 10060703Apr 10, 2014Transmission and drivetrain. Summary to be provided on a future date.
• 10131933Feb 28, 2014Equipment. Customer complains of Bluetooth connectivity concerns such as: Difficulty to pair phone, Intermittent Bluetooth failure to connect to the vehicle when first turning on the vehicle. These concerns can be caused by changes made on the customer's phone. Make sure to inquire with the customer if the connectivity concerns occurred after receiving an operating system update on their phone or they have restored their…
• 10131930Feb 11, 2014Equipment. 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.
• 10131928Feb 5, 2014Equipment, Brakes. A key part to maintain the proper function and safe operation of the vehicle's braking system is to perform a visual inspection when installing brake pads, calipers, and discs. The following recommendations are intended to provide general tips for the inspection and/or installation of Toyota Complete Maintenance Care (TCMC) front brake pads and discs. Always refer to the model specific Repair manual and TIS…
• 10131927Feb 4, 2014Engine. Starting with the 2010 Model Year, Toyota began a gradual transition to the use of synthetic 0w-20 viscosity engine oil. There are multiple benefits of this oil. 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 vehicle that require this oil.
• 10131902Feb 4, 2014Equipment. 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 vehicles to deliver the update, however a unique Activation Number is required for each vehicle. Activation Numbers are provided in an Activation Card Number (ACN) pamphlet available through the normal parts…
• 10131898Feb 3, 2014Vehicle speed control, Suspension. Some 2005 ? 2014 model year Tacoma vehicles equipped with automatic transmission may exhibit a vibration felt in the seat, floorboard, and steering wheel between 15 ? 25 mph caused by a second order drivetrain vibration under acceleration. The following Repair Procedure may improve this condition.
• 10131952Jan 27, 2014Equipment. Some 2012 model year vehicles equipped with a Display Audio Navigation System and Entune? (version less than 2.1.0) may exhibit one or more of the following conditions:

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