2020 Toyota Avalon Technical Service Bulletins

192 technical service bulletins (TSBs) are on record for the 2020 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.

• 10172859Feb 25, 2020Fuel system. TSB: Some 2018 ? 2020 model year North American Produced (NAP) Camry, 2018 ? 2019 model year Japan produced Camry, 2018 ? 2020 model year Camry hybrid, 2019 ? 2020 model year Avalon, and 2019 ? 2020 model year Avalon hybrid vehicles may exhibit a condition in which the fuel filler door is difficult to open when the release button is pressed. This may be caused by the fuel filler door spring not having sufficient…
• 10172854Feb 18, 2020Equipment. TT: Some vehicles equipped with Dynamic Navigation may experience a pop-up message notifying them that their map update service will end soon. The date that is shown could be more than one year in the future. This does not indicate any issues with the vehicle, and is only informing the user of the expiration date.
• 10172852Feb 18, 2020Equipment. Safety Recall and Service Campaign - Technician Certification Requirements
• 10172836Feb 7, 2020Equipment. An initialization procedure is required to activate the Entune? 3.0 App Suite Connect for Audio, Audio Plus, and Premium Audio head units before they are used for the first time on new vehicles. The initialization procedure may also be performed under other circumstances, such as following a head unit replacement or after the customer?s personal settings are erased.
• 10171411Jan 29, 2020Suspension, Back-over prevention (rear camera), Steering. TT: Creaking noise during turns (or turning steering wheel) coming from front strut area. 1) Vehicles under 5,000 miles 2) Refer to the attached video as an example of the noise
• 10171406Jan 27, 2020Transmission and drivetrain. TT: Currently under investigation. Please contact TAS if you have a vehicle that exhibits a leak from the Transmission Side Cover with no signs of damage or other conditions unrelated to regardless of miles or months in service. If it?s a Sunday or holiday continue with diagnosis and repair, save all parts and details, contact TAS on the next available work day and review details with TAS engineer.
• 10171405Jan 27, 2020Equipment. TSB: Vehicles may display evidence of a fluid leak or fluid seep from powertrain components. This bulletin explains how to determine the differences between a fluid leak versus a fluid seep. Cases that are determined to be a ?leak? should be repaired accordingly and will be covered under warranty if applicable. Cases that are determined to be a ?seep? should be documented on the repair order and inspected at the…
• 10171404Jan 24, 2020Equipment. TSB: REVISION NOTICE January 24, 2020 Rev1: ? The entire bulletin has been updated. Any previous printed versions of this bulletin should be discarded. A battery in a stored vehicle is subject to conditions that can reduce its performance and service life. These conditions include storage period, temperature, parasitic drain, and battery load. Because of these factors, battery inspection and maintenance are…
• 10171457Jan 23, 2020Equipment. TT: In certain cases of leaking air conditioning systems, the root cause of the leak is inadvertently overlooked, causing a repeat repair. To improve customer satisfaction and repair A/C system leaks in one dealer visit, Toyota has developed a set of guidelines for evaluating A/C system components.
• 10171453Jan 22, 2020Equipment. TSB: REVISION NOTICE January 22, 2020 Rev1: ? The Battery subsection has been updated. Any previous printed versions of this bulletin should be discarded. Long-term or off-site storage requires special care to keep vehicles factory fresh and ready for delivery. The following guidelines should be performed to minimize vehicle component/part degradation due to extended vehicle storage conditions. Long-term storage…
• 10171448Jan 15, 2020Electrical system. TSB: REVISION NOTICE January 15, 2020 Rev2: ? The entire bulletin has been updated. February 11, 2019 Rev1: ? The Introduction and Every Two Months sections have been updated. Any previous printed versions of this bulletin should be discarded. Hybrid vehicles are equipped with two types of batteries: ? Hybrid Vehicle (HV) battery ? Auxiliary (12V) battery If the hybrid vehicle is put into storage, the…
• 10171444Jan 14, 2020Electrical system. Dealer Package: 01/14/2020 Instructions included for Op Code usage when no software update is necessary. The engine ECU in the involved vehicles includes certain erroneous transmission related calibration values. As a result, this software does not match the version intended to be used on production vehicles.
• 10171709Jan 9, 2020Engine, Transmission and drivetrain. Frequently Asked Questions: Certain 2020 Model Year Toyota Avalon, and Camry with 2GR-FKS Engine ECU Reprogram. The engine ECU in the involved vehicles includes certain erroneous transmission related calibration values. As a result, this software does not match the version intended to be used on production vehicles.
• 10171708Jan 9, 2020Transmission and drivetrain. Dealer Package: The engine ECU in the involved vehicles includes certain erroneous transmission related calibration values. As a result, this software does not match the version intended to be used on production vehicles.
• 10171707Jan 9, 2020Transmission and drivetrain. Dealer Package: The engine ECU in the involved vehicles includes certain erroneous transmission related calibration values. As a result, this software does not match the version intended to be used on production vehicles.
• 10171706Jan 9, 2020Engine, Electrical system. Region Letter: Due to inappropriate ECU programming, fuel consumption may not conform with the certification value. Actual average fuel economy may be negligibly higher than the certification listed on the Vehicle Window Sticker (Monroney Label).
• 10171705Jan 9, 2020Transmission and drivetrain, Engine. Dealer Email: The engine ECU in the involved vehicles includes certain erroneous transmission related calibration values. As a result, this software does not match the version intended to be used on production vehicles.
• 10171704Jan 9, 2020Transmission and drivetrain, Engine. Region Email: The engine ECU in the involved vehicles includes certain erroneous transmission related calibration values. As a result, this software does not match the version intended to be used on production vehicles.
• 10171703Jan 8, 2020Engine. Technical Instructions: TECHNICAL INSTRUCTIONS FOR SPECIAL SERVICE CAMPAIGN 19TC06 ENGINE ECU REPROGRAM CERTAIN 2020 CAMRY 2020 AVALON
• 10171701Jan 8, 2020Equipment. TT: Some vehicles equipped with Dynamic Navigation may experience a pop-up message notifying them that their map update service will end soon. The date that is shown could be more than one year in the future. This does not indicate any issues with the vehicle, and is only informing the user of the expiration date.
• 10170184Dec 13, 2019Equipment. TSB: REVISION NOTICE December 13, 2019 Rev1: ? Applicability has been updated to include several 2020 model year Toyota vehicles. ? The Required Tools & Equipment section has been updated. Any previous printed versions of this bulletin should be discarded. Some 2018 ? 2020 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System require a Special Service Tool (SST) USB flash drive to…
• 10169334Nov 18, 2019Electrical system, Equipment. TT: Safety Connect is a vehicle option which requires a subscription fee for the system to be active after the initial trial period. Once the subscription has expired the DCM (Telematics Transceiver) will be in an inactive state. In some instances, a DCM may need to be replaced even though the customer is not using the service.
• 10169406Nov 4, 2019Transmission and drivetrain. TT: Some 2018-2020 model year UA80/UB80 transmission equipped models may experience a leak from the Transmission Side Cover. This issue is currently under investigation. Vehicles are being sought regardless of months in service or mileage. Only seeking vehicles with leaking transmissions with no other signs of damage to the side cover.
• 10168537Oct 21, 2019Steering. 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. These concerns can be caused by changes made on the…
• 10166367Sep 9, 2019Electrical system, Equipment, Engine. TSB: REVISION NOTICE September 9, 2019 Rev1: G153 The Before Inspection, Walkaround Inspection, and Under Vehicle (On Hoist) section has been updated. Any previous printed versions of this bulletin should be discarded. Pre-Delivery Service (PDS) is a critical step in satisfying our new car customers. Customer feedback indicates the following areas deserve special attention when performing PDS: ? Careful inspection…
• 10164867Aug 2, 2019Equipment. TSB: Pre-Delivery Service (PDS) is a critical step in satisfying our new car customers. Customer feedback indicates the following areas deserve special attention when performing PDS: * Careful inspection for paint chips/scratches and body dents/dings. * Proper operation of electrical accessories. * Interior cleanliness. * Proper function of mechanical systems. Customer retention and proper maintenance of vehicles…
• 10164352Jul 16, 2019Equipment, Electrical system. TT: The new DCA-8000 Diagnostic Charger may cause your facility?s Ground Fault Circuit Interrupter (GFCI) breaker to trip. A GFCI breaker can be tripped for various reasons, one of the reasons may be related to the DCA-8000. We are investigating this issue to determine the root cause. Other reasons the GFCI breaker may trip ? Circuit demand is too high for GFCI rating ? Worn out GFCI internal contacts ? Improper…
• 10164337Jul 3, 2019Equipment. TSB: REVISION NOTICE July 03, 2019 Rev1: ? Applicability has been updated to include 2020 model year Supra vehicles. ? The Hook and Loop Style section has been added. Any previous printed versions of this bulletin should be discarded. 2020 model year Toyota vehicles are equipped with driver side floor mat retainers to secure the floor mat in the correct position. In addition, some models may also utilize retainers…
• 10164330Jul 1, 2019Transmission and drivetrain, Electrical system, Engine. TSB: REVISION NOTICE July 01, 2019 Rev2: ? Applicability has been updated to 2019 ? 2020 model year Toyota vehicles. ? The Techstream Preparation and Process Overview sections have been updated. October 30, 2017 Rev1: ? Applicability has been updated to include 2018 model year vehicles. Any previous printed versions of this bulletin should be discarded. SUPERSESSION NOTICE The information contained in this bulletin…
• 10162761Jun 27, 2019Equipment, Engine. TT: When repairing a 1234YF HVAC system on a gas powered (Non-Hybrid) Toyota and the addition of compressor oil is required to complete the repairs, the various 1234YF compressor oils (ND-12, PS-D1, or VC100YF) are available through the Toyota Approved Dealer Equipment website.
• 10162757Jun 24, 2019Body and structure, Equipment. TSB: TMNA Accessory Sales and Marketing has developed a Toyota paint protection film (PPF) decal (treated with a specially developed light adhesive) for 2019 ? 2020 model year Toyota vehicles. The decal comes in two sizes (2.8 in. x 8 in. and 4 in. x 8 in.) for small and large hoods and will be applied to the top of PPF for all series at TLS accessory installation facilities. The decal is intended to stay affixed…
• 10162773Jun 19, 2019Electrical system. TT: The new 12V Battery Warranty Testers (DSS-5000 & DCA-8000) require certain information to generate a test result and warranty code. Below is an explanation of what information is required when testing a 12V battery on the new Warranty Battery Testers.
• 10162754Jun 17, 2019Electrical system, Equipment. TSB: REVISION NOTICE June 17, 2019 Rev1: ? Applicability has been updated to include 2019 ? 2020 model year Corolla Hatchback, RAV4, and RAV4 Hybrid and 2020 model year Corolla and Corolla Hybrid vehicles. ? The Required Tools & Equipment section has been updated. Any previous printed versions of this bulletin should be discarded. The Immobilizer and Smart Key Reset is a feature that allows the registration of new…
• 10159725Apr 17, 2019Visibility (wipers, defrost, mirrors), Lane departure, Equipment. TT: The blind spot monitor (BSM) sensor angle inspection is used to confirm that the BSM sensor is within the specified angle before performing axis beam adjustment. When used in conjunction with the repair manual, these BSM tips leverage SSTs and readily available tools to support sensor angle confirmation in varying shop environments.
• 10155238Feb 25, 2019Equipment. TT: HVAC drain tube is found to be blocked/clogged.
• 10153246Jan 16, 2019Engine cooling. TT: The current engine active test ?Control the Injection Mode? is not operating as desired when controlling the direct injectors manually on 2GR-FKS engines. When direct injection is started and then stopped using the active test, current ECU logic does not turn off the direct injectors and can cause DTCs P017200, P017500 and P0160300. To avoid this condition, technicians should raise engine RPM when changing back…
• 10153270Jan 8, 2019Equipment. TSB: Long-term or off-site storage requires special care to keep vehicles factory fresh and ready for delivery. The following guidelines should be performed to minimize vehicle component/part degradation due to extended vehicle storage conditions. Long-term storage can affect a vehicle?s systems and components. Any problems that are found should be corrected immediately.
• 10153269Jan 7, 2019Equipment. TSB: An initialization procedure is required to activate the Entune? 3.0 App Suite Connect for Entune? 3.0 Audio, Entune? 3.0 Audio Plus, and Entune? 3.0 Premium Audio head units before they are used for the first time on new vehicles. The initialization procedure may also be performed under other circumstances, such as following a head unit replacement or after the customer?s personal settings are erased.
• 10153268Jan 7, 2019Electrical system. TSB: A battery in a stored vehicle is subject to conditions that can reduce its performance and life. These conditions include storage period, temperature, parasitic drain, and battery load. Because of these factors, battery inspection and maintenance are required in order to ensure proper operation and optimal battery life. As a matter of policy, Toyota does not provide battery warranty coverage for discharged…
• 10153259Jan 2, 2019Tires. TSB: During the manufacturing process, tires are mounted on the vehicle as matched sets to help reduce conditions such as pulling or drifting. If the wheels are replaced or refinished before vehicle delivery, it is important that the tires remain on the vehicle in the same location and in the same direction of rotation. Refer to the Tire Positioning Procedure in this bulletin to ensure that the original tires stay…
• 10197476May 4, 2001Equipment. Replacement vin plates.
• 10197473Jan 18, 1991Equipment. Product general information.

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