Toyota 4Runner Service Bulletins (2020)

158 manufacturer communications on file.

• July 31, 2020•Document ID: 10178528

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY

  Mfr Comm. #:

  T-SB-0073-19 Obs

  Date Added:

  August 17, 2020

  Manufacturer:

  TOYOTA

  Summary

  OBSOLETE NOTICE July 31, 2020: This bulletin is no longer applicable and is now obsolete.

  Associated Products (33)

  2020 Toyota 4Runner2020 Toyota 862020 Toyota Avalon2020 Toyota Camry2020 Toyota C-HR2020 Toyota Corolla2020 Toyota Highlander2020 Toyota Land Cruiser2020 Toyota Mirai2020 Toyota Prius2020 Toyota RAV42020 Toyota Sequoia2020 Toyota Sienna2020 Toyota Supra2020 Toyota Tacoma2020 Toyota Tundra2020 Toyota Yaris2019 Toyota 4Runner2019 Toyota 862019 Toyota Avalon+ 13 more
  Associated Documents

  • DownloadMC-10178528-0001.pdf↗
• July 30, 2020•Document ID: 10178524

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:COOLING SYSTEM

  Mfr Comm. #:

  T-TT-0468-17 Rev

  Date Added:

  August 17, 2020

  Manufacturer:

  TOYOTA

  Summary

  TT: HVAC drain tube is found to be blocked/clogged.

  Associated Products (225)

  2021 Toyota Corolla2021 Toyota Prius2021 Toyota RAV42021 Toyota Supra2020 Toyota 4Runner2020 Toyota 862020 Toyota Avalon2020 Toyota Camry2020 Toyota C-HR2020 Toyota Corolla2020 Toyota Highlander2020 Toyota Land Cruiser2020 Toyota Mirai2020 Toyota Prius2020 Toyota Prius C2020 Toyota RAV42020 Toyota Sequoia2020 Toyota Sienna2020 Toyota Supra2020 Toyota Tacoma+ 205 more
  Associated Documents

  • DownloadMC-10178524-0001.pdf↗
• July 20, 2020•Document ID: 10178787

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:12V/24V/48V BATTERY

  Mfr Comm. #:

  T-TT-0553-19 Rev

  Date Added:

  August 24, 2020

  Manufacturer:

  TOYOTA

  Summary

  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 installation or wiring of GFCI breaker

  Associated Products (73)

  2020 Toyota 4Runner2020 Toyota 862020 Toyota Avalon2020 Toyota Camry2020 Toyota C-HR2020 Toyota Corolla2020 Toyota Highlander2020 Toyota Land Cruiser2020 Toyota Mirai2020 Toyota Prius2020 Toyota Prius C2020 Toyota RAV42020 Toyota Sequoia2020 Toyota Sienna2020 Toyota Supra2020 Toyota Tacoma2020 Toyota Tundra2020 Toyota Yaris2019 Toyota 4Runner2019 Toyota 86+ 53 more
  Associated Documents

  • DownloadMC-10178787-0001.pdf↗
• June 12, 2020•Document ID: 10177592

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  T-TT-0615-20 Rev

  Date Added:

  July 27, 2020

  Manufacturer:

  TOYOTA

  Summary

  TT: The Toyota Quality group is looking to better understand our customers expectation regarding vehicle drivability. Specifically, we are looking at vehicle surge/hesitation condition (inconsistent acceleration) and would like to recover detailed customer voice and vehicle data.

  Associated Products (39)

  2021 Toyota 4Runner2021 Toyota Avalon2021 Toyota Camry2021 Toyota Corolla2021 Toyota Highlander2021 Toyota RAV42021 Toyota Sequoia2021 Toyota Tacoma2021 Toyota Tundra2020 Toyota 4Runner2020 Toyota Avalon2020 Toyota Camry2020 Toyota Corolla2020 Toyota Highlander2020 Toyota RAV42020 Toyota Sequoia2020 Toyota Sienna2020 Toyota Tacoma2020 Toyota Tundra2019 Toyota 4Runner+ 19 more
  Associated Documents

  • DownloadMC-10177592-0001.pdf↗
• June 9, 2020•Document ID: 10177589

  Service Bulletin/Repair Instructions
  TIRES; SUSPENSION; STEERING

  Mfr Comm. #:

  T-TT-0602-20 Rev

  Date Added:

  July 27, 2020

  Manufacturer:

  TOYOTA

  Summary

  TT: Some 2019-2020 model year 4Runner SR5 and TRD Off Road grade models with Dunlop Grandtrek AT20 P265/70R17 tires may experience vibration (flutter) in the steering wheel when driving at highway speeds 55 mph and above.

  Associated Products (2)

  2020 Toyota 4Runner2019 Toyota 4Runner
  Associated Documents

  • DownloadMC-10177589-0001.pdf↗
• May 28, 2020•Document ID: 10176697

  Service Bulletin/Repair Instructions
  STRUCTURE; STRUCTURE:FRAME AND MEMBERS; STRUCTURE:BODY:BUMPERS

  Mfr Comm. #:

  T-SB-0049-20

  Date Added:

  June 22, 2020

  Manufacturer:

  TOYOTA

  Summary

  TSB: Some 2014 - 2020 model year 4Runner vehicles may exhibit a gap due to disengagement of the front bumper cover clips and the fender retainer near the headlamp assembly. Follow the Repair Procedure in this bulletin to address this condition.

  Associated Products (7)

  2020 Toyota 4Runner2019 Toyota 4Runner2018 Toyota 4Runner2017 Toyota 4Runner2016 Toyota 4Runner2015 Toyota 4Runner2014 Toyota 4Runner
  Associated Documents

  • DownloadMC-10176697-0001.pdf↗
• May 18, 2020•Document ID: 10176504

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  T-TT-0611-20

  Date Added:

  June 22, 2020

  Manufacturer:

  TOYOTA

  Summary

  TT: To assist with the early detection and early resolution of audio related concerns, it may be requested as part of the remanufactured head unit return to recover MMR data from the head unit. The following steps are instructions on how to retrieve the data from the system and are only to be used when requested by audio suppliers, FTS, and/or FPEs.

  Associated Products (29)

  2021 Toyota 4Runner2021 Toyota Avalon2021 Toyota Camry2021 Toyota C-HR2021 Toyota Corolla2021 Toyota Highlander2021 Toyota Prius2021 Toyota RAV42021 Toyota Sequoia2021 Toyota Tacoma2021 Toyota Tundra2020 Toyota 4Runner2020 Toyota Avalon2020 Toyota Camry2020 Toyota C-HR2020 Toyota Corolla2020 Toyota Highlander2020 Toyota Prius2020 Toyota RAV42020 Toyota Sequoia+ 9 more
  Associated Documents

  • DownloadMC-10176504-0001.pdf↗
• May 13, 2020•Document ID: 10176493

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  T-TT-0516-18_Rev

  Date Added:

  June 22, 2020

  Manufacturer:

  TOYOTA

  Summary

  TT: The microphone circuit passes through the DCM before reaching the radio/navigation system. To simplify the diagnosis of the microphone, Safety Connect SOS button lights, and DCM (Data Communication Module/telematics transceiver) inoperative conditions, refer to the procedure below to prevent unnecessary parts replacement.

  Associated Products (30)

  2021 Toyota Prius2020 Toyota 4Runner2020 Toyota Avalon2020 Toyota Camry2020 Toyota C-HR2020 Toyota Corolla2020 Toyota Highlander2020 Toyota Land Cruiser2020 Toyota Prius2020 Toyota RAV42020 Toyota Sienna2019 Toyota 4Runner2019 Toyota Avalon2019 Toyota Camry2019 Toyota C-HR2019 Toyota Corolla2019 Toyota Highlander2019 Toyota Land Cruiser2019 Toyota Prius2019 Toyota RAV4+ 10 more
  Associated Documents

  • DownloadMC-10176493-0001.pdf↗
• April 23, 2020•Document ID: 10174921

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  T-TT-0606-20

  Date Added:

  May 11, 2020

  Manufacturer:

  TOYOTA

  Summary

  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. Due to this situation, dealers are reminded and recommended to follow the Long-Term Vehicle Storage Guidelines outlined in T-SB-0009-19 and other Service Bulletin publications to ensure customers receive their vehicles in a fresh and well maintained condition Please ensure that both Sales and Service at your dealership are aware of these guidelines and are following the recommended maintenance and storage processes and procedures to ensure the highest customer satisfaction with their new vehicle purchase.

  Associated Products (43)

  2021 Toyota 4Runner2021 Toyota Avalon2021 Toyota Camry2021 Toyota C-HR2021 Toyota Corolla2021 Toyota Highlander2021 Toyota Land Cruiser2021 Toyota Mirai2021 Toyota Prius2021 Toyota RAV42021 Toyota Tacoma2021 Toyota Tundra2020 Toyota 4Runner2020 Toyota Avalon2020 Toyota Camry2020 Toyota C-HR2020 Toyota Corolla2020 Toyota Highlander2020 Toyota Land Cruiser2020 Toyota Prius+ 23 more
  Associated Documents

  • DownloadMC-10174921-0001.pdf↗
• April 6, 2020•Document ID: 10174890

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  T-SB-0032-20

  Date Added:

  May 11, 2020

  Manufacturer:

  TOYOTA

  Summary

  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) and VIN plates (the metal plate riveted to dashboard) (see Figure 1) for most 1979 ? 2020 model year vehicles may be available provided the requests meet the criteria listed in this Service Bulletin. Follow the Procurement Procedure in this bulletin to request a replacement certification label or VIN plate.

  Associated Products (517)

  2020 Toyota 4Runner2020 Toyota 862020 Toyota Avalon2020 Toyota Camry2020 Toyota C-HR2020 Toyota Corolla2020 Toyota Highlander2020 Toyota Land Cruiser2020 Toyota Mirai2020 Toyota Prius2020 Toyota Prius C2020 Toyota RAV42020 Toyota Sequoia2020 Toyota Sienna2020 Toyota Tacoma2020 Toyota Tundra2020 Toyota Yaris2019 Toyota 4Runner2019 Toyota 862019 Toyota Avalon+ 497 more
  Associated Documents

  • DownloadMC-10174890-0001.pdf↗
• March 30, 2020•Document ID: 10173990

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT

  Mfr Comm. #:

  T-SB-0161-19_Rev

  Date Added:

  April 20, 2020

  Manufacturer:

  TOYOTA

  Summary

  Some 2020 model year vehicles equipped with Audio Plus (version 1021) or Premium Audio (version 1021) or earlier may exhibit one or more of the following conditions: ?Barge in function defaulted to OFF ?Limited phone book grammar ?Difficult Hand Free operation ?Abnormal Electronic Owner?s Manual operation ?Music does not automatically resume when using Android Auto? ?Cover art is not displayed ?Vehicle position isn?t sent to Destination Assist server ?System inoperative after using the return button when using voice recognition Some 2020 model year vehicles equipped with Audio Plus (version 1035) or Premium Audio (version 1035) or earlier may exhibit one or both of the following conditions: ?Abnormal screen play while using Apple CarPlay® (primarily during phone calls) ?Poor sound quality during phone calls while using Apple CarPlay® Some 2020 model year vehicles equipped with Audio Plus (version 1047) or Premium Audio (version 1047) or earlier may exhibit one or more of the following conditions: ?USB audio does not resume after ignition cycle ?Intermittent rebooting ?Bluetooth disconnecting during a phone call when using Apple CarPlay® ?Intermittent screen freezing ?Navigation intermittently will not boot up ?Home Screen Audio widget is blank after a Destination Assist call ?Song, artist, or album data missing ?Abnormal clock operation ?Apple CarPlay® intermittently inoperative ?Radio takes a long time to boot up A software update is now available to address these conditions. Follow the Software Update Procedure in this bulletin to update the software.

  Associated Products (5)

  2020 Toyota 4Runner2020 Toyota Camry2020 Toyota Highlander2020 Toyota Sequoia2020 Toyota Tundra
  Associated Documents

  • DownloadMC-10173990-0001.pdf↗
• March 19, 2020•Document ID: 10173972

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  Toyota Safety Re

  Date Added:

  April 20, 2020

  Manufacturer:

  TOYOTA

  Summary

  Safety Recall and Service Campaign - Technician Certification Requirements

  Associated Products (7)

  2020 Toyota 4Runner2020 Toyota 862020 Toyota Avalon2020 Toyota Camry2020 Toyota C-HR2020 Toyota Corolla2020 Toyota Highlander
  Associated Documents

  • DownloadMC-10173972-0001.pdf↗
• March 18, 2020•Document ID: 10173968

  Service Bulletin/Repair Instructions
  AIR BAGS; FORWARD COLLISION AVOIDANCE

  Mfr Comm. #:

  T-SB-0026-20

  Date Added:

  April 20, 2020

  Manufacturer:

  TOYOTA

  Summary

  TSB: All 2018 ? 2021 model year Sequoia, Tacoma, and Tundra vehicles and All 2020 ? 2021 model year 4Runner vehicles are equipped with Pre-collision System (PCS) and Dynamic Radar Cruise Control (DRCC) as part of the Toyota Safety Sense (TSS) package. The PCS and DRCC systems are designed to help mitigate a potential collision and maintain a pre-determined traveling distance. It is recommended to disable the PCS and DRCC systems on vehicles that have been modified (ride height, oversized wheels/tires, brush bars, etc.) in a way that potentially disrupts the functionality of these systems. Vehicle owner?s written consent is required before performing the calibration to permanently disable the PCS and DRCC systems. Follow the Repair Procedure in this bulletin to disable the PCS and DRCC systems.

  Associated Products (10)

  2020 Toyota 4Runner2020 Toyota Sequoia2020 Toyota Tacoma2020 Toyota Tundra2019 Toyota Sequoia2019 Toyota Tacoma2019 Toyota Tundra2018 Toyota Sequoia2018 Toyota Tacoma2018 Toyota Tundra
  Associated Documents

  • DownloadMC-10173968-0001.pdf↗
• March 16, 2020•Document ID: 10190459

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; BACK OVER PREVENTION

  Mfr Comm. #:

  T-TT-0599-20 Rev

  Date Added:

  April 19, 2021

  Manufacturer:

  TOYOTA

  Summary

  TT: Vehicle control apps might not operate as expected at times due to preconditions (normal operating parameters) not being established, vehicle settings and/or network/cellular coverage concerns.

  Associated Products (22)

  2021 Toyota 4Runner2021 Toyota Avalon2021 Toyota Camry2021 Toyota C-HR2021 Toyota Corolla2021 Toyota Highlander2021 Toyota Prius2021 Toyota RAV42021 Toyota Sequoia2021 Toyota Sienna2021 Toyota Tacoma2021 Toyota Tundra2021 Toyota Venza2020 Toyota 4Runner2020 Toyota Camry2020 Toyota C-HR2020 Toyota Corolla2020 Toyota Highlander2020 Toyota RAV42020 Toyota Sequoia+ 2 more
  Associated Documents

  • DownloadMC-10190459-0001.pdf↗
• March 12, 2020•Document ID: 10173966

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  Toyota Safety Re

  Date Added:

  April 20, 2020

  Manufacturer:

  TOYOTA

  Summary

  Safety Recall and Service Campaign - Technician Certification Requirements

  Associated Products (18)

  2020 Toyota 4Runner2020 Toyota 862020 Toyota Avalon2020 Toyota Camry2020 Toyota C-HR2020 Toyota Corolla2020 Toyota Highlander2020 Toyota Land Cruiser2020 Toyota Mirai2020 Toyota Prius2020 Toyota Prius C2020 Toyota RAV42020 Toyota Sequoia2020 Toyota Sienna2020 Toyota Supra2020 Toyota Tacoma2020 Toyota Tundra2020 Toyota Yaris
  Associated Documents

  • DownloadMC-10173966-0001.pdf↗
• March 10, 2020•Document ID: 10173805

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT; SERVICE BRAKES

  Mfr Comm. #:

  T-SB-0009-19_Rev

  Date Added:

  April 13, 2020

  Manufacturer:

  TOYOTA

  Summary

  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.

  Associated Products (17)

  2020 Toyota 4Runner2020 Toyota 862020 Toyota Avalon2020 Toyota Camry2020 Toyota C-HR2020 Toyota Corolla2020 Toyota Highlander2020 Toyota Land Cruiser2020 Toyota Mirai2020 Toyota Prius2020 Toyota Prius C2020 Toyota RAV42020 Toyota Sequoia2020 Toyota Sienna2020 Toyota Tacoma2020 Toyota Tundra2020 Toyota Yaris
  Associated Documents

  • DownloadMC-10173805-0001.pdf↗
• March 9, 2020•Document ID: 10173792

  Service Bulletin/Repair Instructions
  TIRES; STEERING

  Mfr Comm. #:

  T-TT-0602-20

  Date Added:

  April 13, 2020

  Manufacturer:

  TOYOTA

  Summary

  TT: Some 2019-2020 model year 4Runner SR5 and TRD Off Road grade models with Dunlop Grandtrek AT20 P265/70R17 tires may experience vibration (flutter) in the steering wheel when driving at highway speeds 55 mph and above.

  Associated Products (2)

  2020 Toyota 4Runner2019 Toyota 4Runner
  Associated Documents

  • DownloadMC-10173792-0001.pdf↗
• March 3, 2020•Document ID: 10173740

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  T-SB-0008-19_Rev

  Date Added:

  April 13, 2020

  Manufacturer:

  TOYOTA

  Summary

  TSB: 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. The initialization procedure requires between 3 and 15 minutes to complete, depending on file size, cellular connection speed, and other factors. Following the initialization procedure, individual Entune? 3.0 apps may periodically update through an over-the-air update system. Updates are optional or mandatory. The update procedure will take approximately 1 minute for each app requiring an update. Follow the Initialization/Update Procedure in this bulletin to perform the initialization and app updates.

  Associated Products (13)

  2020 Toyota 4Runner2020 Toyota Avalon2020 Toyota Camry2020 Toyota C-HR2020 Toyota Corolla2020 Toyota Highlander2020 Toyota Mirai2020 Toyota Prius2020 Toyota RAV42020 Toyota Sequoia2020 Toyota Sienna2020 Toyota Tacoma2020 Toyota Tundra
  Associated Documents

  • DownloadMC-10173740-0001.pdf↗
• February 25, 2020•Document ID: 10172863

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  T-TT-0588-19_Rev

  Date Added:

  March 30, 2020

  Manufacturer:

  TOYOTA

  Summary

  TT: Some 2020 model year vehicles may display abnormal Safety Connect operation during PDS or after replacement due to DCM activation issues. If there are no DTCs present and after the initial SOS light flashing sequence after ignition on, neither the red nor green light stays on in the overhead console determine if the vehicle is in shipping mode. To determine if a vehicle is experiencing this condition, connect a Techstream and navigate to: Telematics-Data List - ?Telematics Activation Status?. If this value is displayed as ?Shipping?, continue to the Shipping Mode recommendations below, and do not create a TAS case.

  Associated Products (9)

  2020 Toyota 4Runner2020 Toyota Camry2020 Toyota C-HR2020 Toyota Corolla2020 Toyota Highlander2020 Toyota RAV42020 Toyota Sequoia2020 Toyota Tacoma2020 Toyota Tundra
  Associated Documents

  • DownloadMC-10172863-0001.pdf↗
• February 25, 2020•Document ID: 10172862

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL

  Mfr Comm. #:

  T-TT-0575-19_Rev

  Date Added:

  March 30, 2020

  Manufacturer:

  TOYOTA

  Summary

  TT: Some new vehicles may experience the SOS/Telematics functions inoperative during Pre-Delivery Inspection or after replacement. The following procedure outlines the process to activate the DCM with the cellular network.

  Associated Products (6)

  2020 Toyota 4Runner2020 Toyota Camry2020 Toyota Corolla2020 Toyota Sequoia2020 Toyota Tacoma2020 Toyota Tundra
  Associated Documents

  • DownloadMC-10172862-0001.pdf↗