Technical Service Bulletins (TSBs) for the 2020 Yaris are official communications between Toyota & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.

    STEERING

    • TSB #T-TT-0578-19 Rev

      Date Announced:
      OCT 12, 2020
      NHTSA ID:
      #10182983

      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. Read More »

    • TSB #T-TT-0578-19

      Date Announced:
      OCT 21, 2019
      NHTSA ID:
      #10168537

      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. Read More »

    SUSPENSION

    • TSB #T-TT-0722-23

      Date Announced:
      MAR 14, 2023
      NHTSA ID:
      #10234324

      TT: Some 2017-2020 Yaris Sedan (Mexico Production) vehicles exhibit a squeak type noise from the front suspension over bumps. This document applies to Puerto Rico Region vehicles only. Read More »

    • TSB #T-TT-0667-21

      Date Announced:
      OCT 01, 2021
      NHTSA ID:
      #10203531

      TT: **Puerto Rico Only** Vehicle has abnormal noise condition when going over speed bumps or irregular roads. Noise is coming from strut support and bearing Read More »

    BRAKES (PWS)

    • TSB #T-SB-0009-19_Rev

      Date Announced:
      MAR 10, 2020
      NHTSA ID:
      #10173805

      TSB: Long-term or off-site storage requires special care to keep vehicles factory fresh and ready for delivery. Read More »

    • TSB #T-SB-0007-20

      Date Announced:
      JAN 23, 2020
      NHTSA ID:
      #10171456

      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. Read More »

    SERVICE BRAKES, HYDRAULIC

    • TSB #TSB000923

      Date Announced:
      FEB 09, 2023
      NHTSA ID:
      #10235216

      TSB: Some 2014 ? 2020 model year Toyota vehicles may exhibit a hard start and/or MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs): ?DTC P0171 and/or P0174 (System Too Lean Bank 1/Bank 2) ?DTC P0087 ... Read More »

    • TSB #23TE04

      Date Announced:
      FEB 09, 2023
      NHTSA ID:
      #10235217

      DL: On December 20, 2022, a settlement of claims for certain low pressure fuel pumps was approved by the federal court. Read More »

    ENGINE (PWS)

    • TSB #T-SB-0134-16-Rev

      Date Announced:
      JUL 01, 2019
      NHTSA ID:
      #10164330

      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. Read More »

    ENGINE AND ENGINE COOLING

    • TSB #T-PANT-2024-004-

      Date Announced:
      MAR 04, 2024
      NHTSA ID:
      #10253223

      This is to advise of various price adjustments that will affect Toyota Genuine Motor Oil and Long Life Coolant, effective March 1, 2024. These products are ordered through the Toyota Complete Maintenance Care (TCMC) website. Read More »

    • TSB #T-SB-0105-19

      Date Announced:
      AUG 12, 2019
      NHTSA ID:
      #10164898

      TSB: 2020 model year Yaris Sedan/Hatchback MEX-Prod vehicles are equipped with a multi-display capable of monitoring oil change intervals. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION

    • TSB #T-PANT-2024-004-

      Date Announced:
      MAR 04, 2024
      NHTSA ID:
      #10253223

      This is to advise of various price adjustments that will affect Toyota Genuine Motor Oil and Long Life Coolant, effective March 1, 2024. These products are ordered through the Toyota Complete Maintenance Care (TCMC) website. Read More »

    ENGINE AND ENGINE COOLING:COOLING SYSTEM

    ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS

    POWER TRAIN

    • TSB #T-SB-0134-16-Rev

      Date Announced:
      JUL 01, 2019
      NHTSA ID:
      #10164330

      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. Read More »

    ELECTRICAL SYSTEM

    • TSB #T-SB-0057-18

      Date Announced:
      MAY 30, 2023
      NHTSA ID:
      #10238157

      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. Read More »

    • TSB #T-TT-0578-19 Rev

      Date Announced:
      OCT 12, 2020
      NHTSA ID:
      #10182983

      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. Read More »

    • TSB #T-SB-0040-16 Rev

      Date Announced:
      JUN 21, 2020
      NHTSA ID:
      #10177775

      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. Read More »

    • TSB #T-SB-0009-19_Rev

      Date Announced:
      MAR 10, 2020
      NHTSA ID:
      #10173805

      TSB: Long-term or off-site storage requires special care to keep vehicles factory fresh and ready for delivery. Read More »

    • TSB #T-SB-0134-16-Rev

      Date Announced:
      JUL 01, 2019
      NHTSA ID:
      #10164330

      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. Read More »

    • TSB #T-TT-0549-19

      Date Announced:
      JUN 19, 2019
      NHTSA ID:
      #10162773

      TT: The new 12V Battery Warranty Testers (DSS-5000 & DCA-8000) require certain information to generate a test result and warranty code. Read More »

    ELECTRICAL SYSTEM:12V/24V/48V BATTERY

    • TSB #T-TT-0687-22

      Date Announced:
      MAR 08, 2022
      NHTSA ID:
      #10210373

      TT: When customers have a concern about a discharged battery, no start, or general battery concern, the DCA-8000 is the only appropriate tool to use for diagnosis Read More »

    • TSB #T-TT-0553-19 Rev

      Date Announced:
      JUL 20, 2020
      NHTSA ID:
      #10178787

      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. Read More »

    VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REFRIGERANT HOSES AND FITTINGS

    • TSB #TSB005823

      Date Announced:
      AUG 21, 2023
      NHTSA ID:
      #10244115

      TSB: The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. Read More »

    AIR BAGS

    • TSB #TSB003220

      Date Announced:
      AUG 17, 2023
      NHTSA ID:
      #10244113

      TSB: Replacement certification labels (the vinyl label installed on the driver door or door post) and VIN plates (the metal plate riveted to dashboard) (see Figure 1) for most 1979 ? 2023 model year vehicles may be available provided the ... Read More »

    • TSB #23TE04

      Date Announced:
      FEB 09, 2023
      NHTSA ID:
      #10235217

      DL: On December 20, 2022, a settlement of claims for certain low pressure fuel pumps was approved by the federal court. Read More »

    • TSB #T-SB-0094-21 Rev

      Date Announced:
      NOV 23, 2022
      NHTSA ID:
      #10227898

      TSB: Some 2005 ? 2022 model year Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty smell is present. Follow the procedures in this bulletin to remediate the odor and address this condition. Read More »

    • TSB #Toyota Safety Re

      Date Announced:
      MAR 17, 2021
      NHTSA ID:
      #10190460

      Toyota Safety Recall and Service Campaign - Technician Certification Requirements Read More »

    STRUCTURE

    • TSB #TSB001221Rev2

      Date Announced:
      JUN 14, 2022
      NHTSA ID:
      #10220183

      TSB: Some 2010 ? 2022 model year Toyota vehicles may exhibit paint stains after the removal of Rapgard?. The paint stains may appear to be under the clear coat but are usually under wrinkles in the Rapgard?. Read More »

    • TSB #TSB001221Rev2

      Date Announced:
      JUN 14, 2022
      NHTSA ID:
      #10224108

      TSB: Some 2010 ? 2022 model year Toyota vehicles may exhibit paint stains after the removal of Rapgard?. The paint stains may appear to be under the clear coat but are usually under wrinkles in the Rapgard?. Read More »

    • TSB #T-SB-0094-21

      Date Announced:
      NOV 23, 2021
      NHTSA ID:
      #10204571

      TSB: Some 2005 ? 2022 model year Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty smell is present. Follow the procedures in this bulletin to remediate the odor and address this condition. Read More »

    • TSB #T-TT-0613-20

      Date Announced:
      MAY 28, 2020
      NHTSA ID:
      #10176704

      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 ... Read More »

    • TSB #T-SB-0073-19

      Date Announced:
      JUN 24, 2019
      NHTSA ID:
      #10162757

      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. Read More »

    STRUCTURE:BODY

    • TSB #T-SB-0073-19 Obs

      Date Announced:
      JUL 31, 2020
      NHTSA ID:
      #10178528

      OBSOLETE NOTICE July 31, 2020: This bulletin is no longer applicable and is now obsolete. Read More »

    VEHICLE SPEED CONTROL

    • TSB #TSB003220

      Date Announced:
      AUG 17, 2023
      NHTSA ID:
      #10244113

      TSB: Replacement certification labels (the vinyl label installed on the driver door or door post) and VIN plates (the metal plate riveted to dashboard) (see Figure 1) for most 1979 ? 2023 model year vehicles may be available provided the ... Read More »

    TIRES

    • TSB #Toyota PRO19-02

      Date Announced:
      JAN 12, 2022
      NHTSA ID:
      #10207946

      POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Toyota. Read More »

    WHEELS

    • TSB #Toyota PRO19-02

      Date Announced:
      JAN 12, 2022
      NHTSA ID:
      #10207946

      POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Toyota. Read More »

    SEATS

    • TSB #T-SB-0012-21 Rev

      Date Announced:
      FEB 01, 2022
      NHTSA ID:
      #10208995

      TSB: Some 2010 ? 2022 model year Toyota vehicles may exhibit paint stains after the removal of Rapgard?. The paint stains may appear to be under the clear coat but are usually under wrinkles in the Rapgard?. Read More »

    • TSB #T-SB-0012-21

      Date Announced:
      MAR 05, 2021
      NHTSA ID:
      #10190448

      TSB: Some 2010 ? 2021 model year Toyota vehicles may exhibit paint stains after the removal of Rapgard?. The paint stains may appear to be under the clear coat but are usually under wrinkles in the Rapgard?. Read More »

    ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)

    • TSB #T-TT-0722-23

      Date Announced:
      MAR 14, 2023
      NHTSA ID:
      #10234324

      TT: Some 2017-2020 Yaris Sedan (Mexico Production) vehicles exhibit a squeak type noise from the front suspension over bumps. This document applies to Puerto Rico Region vehicles only. Read More »

    BACK OVER PREVENTION

    • TSB #T-TT-0722-23

      Date Announced:
      MAR 14, 2023
      NHTSA ID:
      #10234324

      TT: Some 2017-2020 Yaris Sedan (Mexico Production) vehicles exhibit a squeak type noise from the front suspension over bumps. This document applies to Puerto Rico Region vehicles only. Read More »

    COMMUNICATION:MANUFACTURER TELEMATICS

    • TSB #TTT073723

      Date Announced:
      AUG 17, 2023
      NHTSA ID:
      #10244111

      TT: A very small percentage of customers experience operational difficulties with some telematics features which they cannot resolve on their own. Read More »

    EQUIPMENT

    • TSB #TSB003220

      Date Announced:
      AUG 17, 2023
      NHTSA ID:
      #10244113

      TSB: Replacement certification labels (the vinyl label installed on the driver door or door post) and VIN plates (the metal plate riveted to dashboard) (see Figure 1) for most 1979 ? 2023 model year vehicles may be available provided the ... Read More »

    • TSB #T-SB-0057-18

      Date Announced:
      MAY 30, 2023
      NHTSA ID:
      #10238157

      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. Read More »

    • TSB #TSB000923

      Date Announced:
      FEB 09, 2023
      NHTSA ID:
      #10235216

      TSB: Some 2014 ? 2020 model year Toyota vehicles may exhibit a hard start and/or MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs): ?DTC P0171 and/or P0174 (System Too Lean Bank 1/Bank 2) ?DTC P0087 ... Read More »

    • TSB #T-SB-0032-20 Rev

      Date Announced:
      FEB 03, 2021
      NHTSA ID:
      #10188913

      TSB: Replacement certification labels (the vinyl label installed on the driver door or door post) and VIN plates (the metal plate riveted to dashboard) (see Figure 1) for most 1979 ? 2021 model year vehicles may be available provided the ... Read More »

    • TSB #T-TT-0578-19 Rev

      Date Announced:
      OCT 12, 2020
      NHTSA ID:
      #10182983

      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. Read More »

    • TSB #T-SB-0158-18 Rev

      Date Announced:
      OCT 09, 2020
      NHTSA ID:
      #10182982

      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 for passenger side and rear seat floor mats. Read More »

    • TSB #T-TT-0613-20

      Date Announced:
      MAY 28, 2020
      NHTSA ID:
      #10176704

      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 ... Read More »

    • TSB #T-TT-0606-20

      Date Announced:
      APR 23, 2020
      NHTSA ID:
      #10174921

      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. Read More »

    • TSB #T-SB-0032-20

      Date Announced:
      APR 06, 2020
      NHTSA ID:
      #10174890

      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. Read More »

    • TSB #Toyota Safety Re

      Date Announced:
      MAR 12, 2020
      NHTSA ID:
      #10173966

      Safety Recall and Service Campaign - Technician Certification Requirements Read More »

    • TSB #T-SB-0009-19_Rev

      Date Announced:
      MAR 10, 2020
      NHTSA ID:
      #10173805

      TSB: Long-term or off-site storage requires special care to keep vehicles factory fresh and ready for delivery. Read More »

    • TSB #Safety Recall an

      Date Announced:
      FEB 18, 2020
      NHTSA ID:
      #10172852

      Safety Recall and Service Campaign - Technician Certification Requirements Read More »

    • TSB #T-SB-0008-20

      Date Announced:
      JAN 27, 2020
      NHTSA ID:
      #10171405

      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. Read More »

    • TSB #T-SB-0007-19_Rev

      Date Announced:
      JAN 24, 2020
      NHTSA ID:
      #10171404

      TSB: REVISION NOTICE January 24, 2020 Rev1: ? The entire bulletin has been updated. Any previous printed versions of this bulletin should be discarded. Read More »

    • TSB #T-TT-0520-19_Rev

      Date Announced:
      JAN 23, 2020
      NHTSA ID:
      #10171457

      TT: In certain cases of leaking air conditioning systems, the root cause of the leak is inadvertently overlooked, causing a repeat repair. Read More »

    • TSB #T-SB-0009-19_Rev

      Date Announced:
      JAN 22, 2020
      NHTSA ID:
      #10171453

      TSB: REVISION NOTICE January 22, 2020 Rev1: ? The Battery subsection has been updated. Any previous printed versions of this bulletin should be discarded. Read More »

    • TSB #T-SB-0073-19

      Date Announced:
      JUN 24, 2019
      NHTSA ID:
      #10162757

      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. Read More »

    EQUIPMENT:ELECTRICAL

    • TSB #T-TT-0578-19 Rev

      Date Announced:
      OCT 01, 2021
      NHTSA ID:
      #10203532

      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. Read More »

    • TSB #T-SB-0105-19

      Date Announced:
      AUG 12, 2019
      NHTSA ID:
      #10164898

      TSB: 2020 model year Yaris Sedan/Hatchback MEX-Prod vehicles are equipped with a multi-display capable of monitoring oil change intervals. Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #TSB009421Rev1

      Date Announced:
      MAY 26, 2022
      NHTSA ID:
      #10220174

      TSB: Some 2005 ? 2022 model year Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty smell is present. Follow the procedures in this bulletin to remediate the odor and address this condition. Read More »

    • TSB #Toyota PRO19-02

      Date Announced:
      JAN 12, 2022
      NHTSA ID:
      #10207946

      POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Toyota. Read More »

    • TSB #Toyota PRO21-UFR

      Date Announced:
      MAY 24, 2021
      NHTSA ID:
      #10198150

      UPDATES TO THE 2014-2021 TOYOTA UNIVERSAL FLAT RATE MANUAL Read More »

    • TSB #T-SB-0116-19

      Date Announced:
      AUG 23, 2019
      NHTSA ID:
      #10164918

      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 ... Read More »

    • TSB #T-PG007-01

      Date Announced:
      MAY 04, 2001
      NHTSA ID:
      #10197476

      Replacement vin plates. Read More »

    • TSB #T-PG002-91

      Date Announced:
      JAN 18, 1991
      NHTSA ID:
      #10197473

      Product general information. Read More »

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #T-TT-0578-19 Rev

      Date Announced:
      OCT 12, 2020
      NHTSA ID:
      #10182983

      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. Read More »

    • TSB #T-SB-0158-18 Rev

      Date Announced:
      OCT 09, 2020
      NHTSA ID:
      #10182982

      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 for passenger side and rear seat floor mats. Read More »

    • TSB #T-SB-0158-18-Rev

      Date Announced:
      JUL 03, 2019
      NHTSA ID:
      #10164337

      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. Read More »

    UNKNOWN OR OTHER

    • TSB #TTT073723

      Date Announced:
      AUG 17, 2023
      NHTSA ID:
      #10244111

      TT: A very small percentage of customers experience operational difficulties with some telematics features which they cannot resolve on their own. Read More »