2020 Toyota Yaris Technical Service Bulletins

73 technical service bulletins (TSBs) are on record for the 2020 Toyota Yaris. 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.

• 10178524Jul 30, 2020Engine cooling. TT: HVAC drain tube is found to be blocked/clogged.
• 10178787Jul 20, 2020Electrical 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…
• 10177775Jun 21, 2020Electrical system. TSB: This bulletin details the procedure for loading configuration data (also known as As-built data) in the ECUs of 2016 ? 2020 model year Yaris Sedan Mexico-produced and 2017 ? 2018 model year iA vehicles. It is not recommended to swap ECUs between vehicles. The configuration data must be loaded into the ECU when replacing one of the ECUs listed below: ?PCM (Engine ECU). ?TCM (Transmission ECU). ?IC (Instrument…
• 10176704May 28, 2020Equipment, Body and structure. TT: Unibody vehicles commonly have lashing holes on the under body used for securing the vehicle during logistics -The lashing holes are intended to be plugged during Pre-Delivery Service (PDS) -The plugs are: oRequired for anti-corrosion purposes oUsually located in the glove box prior to PDS -The number of plugs may be different based on model and production location
• 10174921Apr 23, 2020Equipment. TT: Due to the challenges caused by the COVID-19 virus threat, some dealers are experiencing reduced traffic into their stores and causing dealer stock to age.
• 10174890Apr 6, 2020Equipment. TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin Nos. PG021-88, PG015-89, PG0015-90, PG002-91, PG002-93, PG005-97, PG007-01, PG007-07, PG006-01, PG004-97, T-SB-0144-08, and T-SB-0304-17. The aforementioned bulletins are obsolete, and any printed versions should be discarded. Replacement certification labels (the vinyl label installed on the driver door or door post)…
• 10173966Mar 12, 2020Equipment. Safety Recall and Service Campaign - Technician Certification Requirements
• 10173805Mar 10, 2020Electrical system, Brakes, Equipment. 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.
• 10172852Feb 18, 2020Equipment. Safety Recall and Service Campaign - Technician Certification Requirements
• 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.
• 10171456Jan 23, 2020Brakes. TSB: Some 2017 ? 2018 model year iA, 2016 ? 2020 Yaris Sedan Mexico-produced, and 2020 Yaris Hatchback Mexico-produced vehicles may exhibit a squeal/squeak noise from the rear during brake application. The cause of this condition is an insufficient amount of grease on the mounting points and backing plates of the rear brake assemblies. Follow the Repair Procedure in this bulletin to address this condition.
• 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…
• 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…
• 10164918Aug 23, 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…
• 10164898Aug 12, 2019Engine cooling, Equipment. TSB: 2020 model year Yaris Sedan/Hatchback MEX-Prod vehicles are equipped with a multi-display capable of monitoring oil change intervals. As part of the Pre-Delivery Service (PDS) process, ensure the Oil Change Maintenance Monitor is properly set up.
• 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…
• 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.
• 10197476May 4, 2001Equipment. Replacement vin plates.
• 10197473Jan 18, 1991Equipment. Product general information.

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