2010 Toyota Avalon Technical Service Bulletins

319 technical service bulletins (TSBs) are on record for the 2010 Toyota Avalon. 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.

• 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.
• 10197491Dec 9, 2014Equipment. Warranty enhancement program.
• 10134211Dec 9, 2014Electrical system. Electronic Communication: In our continuing efforts to ensure the best in customer satisfaction, Toyota is announcing a Warranty Enhancement Program. This program extends the warranty coverage for repairs related to cracked and/or sticky/melted dashboards (Instrument Panels) as a result of heat or humidity on 2003-2005 model year 4Runner, 2005-2010 model year Avalon, 2007-2011 model year Camry and Camry Hybrid…
• 10134203Dec 9, 2014Electrical system. Region Letter: In our continuing efforts to ensure the best in customer satisfaction, Toyota is announcing a Warranty Enhancement Program. This program extends the warranty coverage for repairs related to cracked and/or sticky/melted dashboards (Instrument Panels) as a result of heat or humidity on 2003-2005 model year 4Runner, 2005-2010 model year Avalon, 2007-2011 model year Camry and Camry Hybrid, 2004-2010…
• 10132639Dec 9, 2014Electrical system. Electronic Communication: In our continuing efforts to ensure the best in customer satisfaction, Toyota is announcing a Warranty Enhancement Program. This program extends the warranty coverage for repairs related to cracked and/or sticky/melted dashboards (Instrument Panels) as a result of heat or humidity on 2003-2005 model year 4Runner, 2005-2010 model year Avalon, 2007-2011 model year Camry and Camry Hybrid…
• 10132631Dec 9, 2014Electrical system. Region Letter: In our continuing efforts to ensure the best in customer satisfaction, Toyota is announcing a Warranty Enhancement Program. This program extends the warranty coverage for repairs related to cracked and/or sticky/melted dashboards (Instrument Panels) as a result of heat or humidity on 2003-2005 model year 4Runner, 2005-2010 model year Avalon, 2007-2011 model year Camry and Camry Hybrid, 2004-2010…
• 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.
• 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.
• 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.
• 10109587Aug 19, 2014Equipment. Tech Tip: Since MY 2011, several different update or upgrade USB SSTs have been issued for Toyota audio and navigation systems.
• 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.
• 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…
• 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.
• 10048160Jun 25, 2014Brakes. Toyota: instrument panel illuminates with malfunction of abs/vsc, mil on and brake warning lights, resulting in overly sensitive monitoring logic without any abs/vsc system issue. Models 2007-2011 camry; 2004-2009 prius. *pe updated 8/26/14.
• 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).
• 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.
• 10131826Apr 28, 2014Engine cooling. Some vehicles in particular geographic areas may exhibit a condition where the HVAC Evaporator Drain Hose has become obstructed with an insect nest. An insect repellent drain hose tip (ARINIX® Tip) is now available to help minimize future occurrences of this environmental condition. For some models, a new drain hose is required to properly fit the ARINIX® Tip. Follow the procedures in this bulletin for proper…
• 10131825Apr 23, 2014Transmission and drivetrain. This bulletin includes basic procedures for inspecting and adjusting World Standard (WS) Automatic Transmission Fluid (ATF) level at normal vehicle operating temperature.
• 10133781Apr 18, 2014Equipment. In our continuing efforts to ensure the best in customer satisfaction, Toyota is announcing a Warranty Enhancement Program to extend the warranty coverage for the Steering Column Telescopic Adjustment Lever Detent Clip in 2005- Certain 2012 Model Year Avalon vehicles.
• 10133724Apr 18, 2014Steering. In our continuing efforts to ensure the best in customer satisfaction, Toyota is announcing a Warranty Enhancement Program to extend the warranty coverage for the Steering Column Telescopic Adjustment Lever Detent Clip in 2005- Certain 2012 Model Year Avalon vehicles.
• 10131820Apr 18, 2014Suspension, Back-over prevention (rear camera). Some Avalon, Avalon HV, Camry, and Camry HV vehicles may exhibit an abnormal noise when turning and/or driving over uneven road surfaces. A new improved service part insulator for the front strut is available to reduce the possibility of the dust boot becoming wedged between the strut shaft bumper and strut shaft.; Follow the procedures in this bulletin to address this condition
• 10133775Apr 17, 2014Steering. In these vehicles, Toyota has received some reports where, after securing the telescopic adjustment lever, the steering column?s telescopic adjustment function may not retain its set adjusted position. Although the Steering Column Telescopic Adjustment Lever Detent Clip is covered by Toyota?s New Vehicle Limited Warranty for 3 years or 36,000 miles (whichever occurs first), we at Toyota care about the customers?…
• 10133718Apr 17, 2014Steering. In these vehicles, Toyota has received some reports where, after securing the telescopic adjustment lever, the steering column?s telescopic adjustment function may not retain its set adjusted position. Although the Steering Column Telescopic Adjustment Lever Detent Clip is covered by Toyota?s New Vehicle Limited Warranty for 3 years or 36,000 miles (whichever occurs first), we at Toyota care about the customers?…
• 10133741Mar 26, 2014Engine cooling. Prior to installing remanufactured U660 and U760 transaxles, it is necessary to remove the lower oil cooler tube union from the original transaxle case and install it into the reman unit. A NEW O-ring and printed installation instructions are supplied in separate bag with the reman unit. An instruction tag is also affixed to the unit.
• 10133740Mar 26, 2014Electrical system. The vehicle will not start or ready0on and the steering wheel lock is engaged so that the steering wheel may only be turned very little from side-to-side. If the operator attempts to ready-on or start the vehicle while there is tension on the steering lock actuator, it will not be able to fully disengage when the "ENGINE START STOP" or "POWER" switch is depressed.
• 10060799Mar 26, 2014Transmission and drivetrain. Summary to be provided on a future date.
• 10060782Mar 26, 2014Steering. 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.
• 10060784Feb 11, 2014Equipment. Summary to be provided on a future date.
• 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.
• 10060786Feb 4, 2014Equipment. Summary to be provided on a future date.
• 10131951Jan 23, 2014Tires. 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.
• 10131961Jan 14, 2014Air bags. Toyota vehicles are equipped with Supplemental Restraint Systems (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 pre-tensioner devices did not perform as expected (including an unintended deployment event), please follow the steps in the recommendations section below.
• 10131993Dec 19, 2013Visibility (wipers, defrost, mirrors). This bulletin is now obsolete. Please see T-SB-0185-13.
• 10131988Dec 19, 2013Visibility (wipers, defrost, mirrors). The following procedures are recommended during routine maintenance or in the event of a customer concern for wiper performance.
• 10132055Nov 4, 2013Seats, Air bags, Equipment. Beginning in 1998, Toyota introduced side airbags as optional equipment. Toyota does NOT recommend replacement of original seat covers with non-Toyota leather or other seat cover materials on vehicles due to the following: Seat covers NOT recommended by Toyota may affect side airbag performance, in general or in part, during an accident. Modifications that negatively affect side airbag performance can result in…
• 10132104Oct 30, 2013Steering. This bulletin is now obsolete. Please see T-SB-0147-13
• 10132135Oct 24, 2013Equipment, Electrical system. 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 phone data/settings recently.
• 10062070Oct 24, 2013Equipment. Summary to be provided on a future date.
• 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.
• 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

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