Toyota Corolla Service Bulletins (2021)

181 manufacturer communications on file.

• May 27, 2021•Document ID: 10198155

  Service Bulletin/Repair Instructions
  EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT

  Mfr Comm. #:

  T-SB-0035-21

  Date Added:

  June 21, 2021

  Manufacturer:

  TOYOTA

  Summary

  TSB: 2022 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. During Pre-Delivery Service (PDS), follow the appropriate Installation Procedure to attach the driver side, and if applicable, the passenger side and rear seat floor mats to the vehicle carpet using the floor mat retainers. If installation instructions are included in the floor mat kit, place the instructions in the vehicle?s glove box for customer reference.

  Associated Products (13)

  2021 Toyota 4Runner2021 Toyota Avalon2021 Toyota Camry2021 Toyota Corolla2021 Toyota Highlander2021 Toyota Mirai2021 Toyota Prius2021 Toyota RAV42021 Toyota Sequoia2021 Toyota Sienna2021 Toyota Supra2021 Toyota Tacoma2021 Toyota Venza
  Associated Documents

  • DownloadMC-10198155-0001.pdf↗
• May 27, 2021•Document ID: 10198154

  Service Bulletin/Repair Instructions
  WHEELS; TIRES

  Mfr Comm. #:

  T-SB-0034-21

  Date Added:

  June 21, 2021

  Manufacturer:

  TOYOTA

  Summary

  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 in the same location on the vehicle.

  Associated Products (12)

  2021 Toyota Avalon2021 Toyota Camry2021 Toyota Corolla2021 Toyota Highlander2021 Toyota Mirai2021 Toyota Prius2021 Toyota RAV42021 Toyota Sequoia2021 Toyota Sienna2021 Toyota Supra2021 Toyota Tacoma2021 Toyota Venza
  Associated Documents

  • DownloadMC-10198154-0001.pdf↗
• May 24, 2021•Document ID: 10198150

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

  Mfr Comm. #:

  Toyota PRO21-UFR

  Date Added:

  June 21, 2021

  Manufacturer:

  TOYOTA

  Summary

  UPDATES TO THE 2014-2021 TOYOTA UNIVERSAL FLAT RATE MANUAL

  Associated Products (145)

  2021 Toyota 4Runner2021 Toyota Avalon2021 Toyota C-HR2021 Toyota Camry2021 Toyota Corolla2021 Toyota Highlander2021 Toyota Land Cruiser2021 Toyota Mirai2021 Toyota Prius2021 Toyota Prius C2021 Toyota RAV42021 Toyota Sequoia2021 Toyota Sienna2021 Toyota Supra2021 Toyota Tacoma2021 Toyota Tundra2021 Toyota Venza2020 Toyota 4Runner2020 Toyota 862020 Toyota Avalon+ 125 more
  Associated Documents

  • DownloadMC-10198150-0001.pdf↗
• May 19, 2021•Document ID: 10198135

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT

  Mfr Comm. #:

  T-SB-0071-20 Rev

  Date Added:

  June 21, 2021

  Manufacturer:

  TOYOTA

  Summary

  TSB: Some 2019 model year Avalon and Avalon Hybrid vehicles equipped with Entune? Audio Plus (version 1002) or Entune? Premium Audio (version 1002) or earlier may exhibit one or more of the following conditions: ?Incorrect GPS date and time. ?Abnormal Bluetooth® operation. ?Abnormal Wi-Fi operation. ?Microphone remains on the screen after voice recognition failure. ?Unable to see text with headlights on (text is the same color as the background). Some 2019 ? 2020 model year Toyota vehicles equipped with Entune? Audio (version 1007), Entune? Audio Plus (version 1011), or Entune? Premium Audio (version 1011) or earlier may exhibit one or more of the following conditions: ?Phone does not auto-connect on startup. ?Intermittent black screen. ?Apple CarPlay® home screen widget turns white when USB flash drive is disconnected. ?Abnormal phone book sorting. ?Unable to see DCM Status when in dark red or dark blue modes. ?XM no signal banner appears at all times. ??Check antenna,? ?ID Displaying,? or ?Seeking? always displays on XM mode. ?Unable to switch Bluetooth® devices. ?Apps button is inactive in the voice recognition hint screen when using Apple CarPlay®. ?Incorrect Spanish translations. ?Voice recognition is not canceled during a phone call. ?Low Easy Speak volume. ?Voice recognition ?Web Search? is inoperative. ?Entune? apps are inoperative and ?When it is safe and legal to do so, please ensure your Entune? App Suite application is running and logged in on your phone? pop-up appears. ?Download screen appears even though nothing is being downloaded. ?Intermittent partially white screen. ?Screen intermittently locked. ?Text goes off the edge of the screen. ?Screen is black for 10 seconds after shifting out of Reverse when using Apple CarPlay® A software update is now available to address these conditions. Follow the Software Update Procedure in this bulletin to update the softwa

  Associated Products (13)

  2021 Toyota Corolla2020 Toyota Avalon2020 Toyota Corolla2020 Toyota Prius2020 Toyota Sienna2019 Toyota Avalon2019 Toyota C-HR2019 Toyota Camry2019 Toyota Corolla2019 Toyota RAV42019 Toyota Sienna2018 Toyota Camry2018 Toyota Sienna
  Associated Documents

  • DownloadMC-10198135-0001.pdf↗
• May 7, 2021•Document ID: 10198127

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

  Mfr Comm. #:

  T-TT-0611-20 Rev

  Date Added:

  June 21, 2021

  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 (31)

  2021 Toyota 4Runner2021 Toyota Avalon2021 Toyota C-HR2021 Toyota Camry2021 Toyota Corolla2021 Toyota Highlander2021 Toyota Prius2021 Toyota RAV42021 Toyota Sequoia2021 Toyota Sienna2021 Toyota Tacoma2021 Toyota Tundra2021 Toyota Venza2020 Toyota 4Runner2020 Toyota Avalon2020 Toyota C-HR2020 Toyota Camry2020 Toyota Corolla2020 Toyota Highlander2020 Toyota Prius+ 11 more
  Associated Documents

  • DownloadMC-10198127-0001.pdf↗
• May 3, 2021•Document ID: 10198104

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT

  Mfr Comm. #:

  T-SB-0025-21

  Date Added:

  June 21, 2021

  Manufacturer:

  TOYOTA

  Summary

  TSB: Some 2020 ? 2021 model year vehicles equipped with Audio, Audio Plus, or Premium Audio (versions 1784) or earlier may exhibit one or more of the following conditions: ?Intermittent blank screen. ?Navigation map update fails. ?Album art inoperative. ?Pause function intermittently inoperative in CD mode. ?Intermittent DTC B15FE present. ?Abnormal energy flow screen appearance on Hybrid models. ?Abnormal phone call operation during Apple CarPlay®. ??No Information? displayed in Information Screen. ?No audio after voice guidance in Android Auto. ?Abnormal charging scheduling operation on RAV4 Prime models. ?Abnormal XM operation when using Apple CarPlay®. Follow the Multimedia Software Update Procedure in this bulletin to install the latest software version.

  Associated Products (18)

  2021 Toyota 4Runner2021 Toyota Avalon2021 Toyota C-HR2021 Toyota Camry2021 Toyota Corolla2021 Toyota Highlander2021 Toyota Prius2021 Toyota RAV42021 Toyota Tacoma2021 Toyota Tundra2020 Toyota 4Runner2020 Toyota C-HR2020 Toyota Camry2020 Toyota Corolla2020 Toyota Highlander2020 Toyota RAV42020 Toyota Tacoma2020 Toyota Tundra
  Associated Documents

  • DownloadMC-10198104-0001.pdf↗
• March 22, 2021•Document ID: 10190461

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

  Mfr Comm. #:

  T-SB-0015-21

  Date Added:

  April 19, 2021

  Manufacturer:

  TOYOTA

  Summary

  TSB: This Service Bulletin provides a procedure to properly perform the Techstream ?Control the Injection Mode? active test in some 2016 ? 2021 model year Toyota vehicles equipped with an FKS engine.

  Associated Products (29)

  2021 Toyota Avalon2021 Toyota Camry2021 Toyota Corolla2021 Toyota Highlander2021 Toyota RAV42021 Toyota Sienna2021 Toyota Tacoma2020 Toyota Avalon2020 Toyota Camry2020 Toyota Corolla2020 Toyota Highlander2020 Toyota RAV42020 Toyota Sienna2020 Toyota Tacoma2019 Toyota Avalon2019 Toyota Camry2019 Toyota Corolla2019 Toyota Highlander2019 Toyota RAV42019 Toyota Sienna+ 9 more
  Associated Documents

  • DownloadMC-10190461-0001.pdf↗
• March 17, 2021•Document ID: 10190460

  Service Bulletin/Repair Instructions
  AIR BAGS

  Mfr Comm. #:

  Toyota Safety Re

  Date Added:

  April 19, 2021

  Manufacturer:

  TOYOTA

  Summary

  Toyota Safety Recall and Service Campaign - Technician Certification Requirements

  Associated Products (440)

  2021 Toyota 4Runner2021 Toyota Avalon2021 Toyota C-HR2021 Toyota Camry2021 Toyota Corolla2021 Toyota Highlander2021 Toyota Land Cruiser2021 Toyota Mirai2021 Toyota Prius2021 Toyota Prius C2021 Toyota RAV42021 Toyota Sequoia2021 Toyota Sienna2021 Toyota Supra2021 Toyota Tacoma2021 Toyota Tundra2021 Toyota Venza2020 Toyota 4Runner2020 Toyota 862020 Toyota Avalon+ 420 more
  Associated Documents

  • DownloadMC-10190460-0001.pdf↗
• March 12, 2021•Document ID: 10190453

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION; SERVICE BRAKES

  Mfr Comm. #:

  T-TT-0636-20 Rev

  Date Added:

  April 19, 2021

  Manufacturer:

  TOYOTA

  Summary

  TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care (TCMC) brake pads may exhibit a groan or squeak noise in various driving conditions.

  Associated Products (382)

  2021 Toyota Corolla2020 Toyota 4Runner2020 Toyota Avalon2020 Toyota Camry2020 Toyota Corolla2020 Toyota Highlander2020 Toyota Land Cruiser2020 Toyota Mirai2020 Toyota Prius2020 Toyota Prius C2020 Toyota RAV42020 Toyota Sequoia2020 Toyota Sienna2020 Toyota Tacoma2020 Toyota Tundra2019 Toyota 4Runner2019 Toyota Avalon2019 Toyota Camry2019 Toyota Corolla2019 Toyota Highlander+ 362 more
  Associated Documents

  • DownloadMC-10190453-0001.pdf↗
• March 5, 2021•Document ID: 10190448

  Service Bulletin/Repair Instructions
  SEATS

  Mfr Comm. #:

  T-SB-0012-21

  Date Added:

  April 19, 2021

  Manufacturer:

  TOYOTA

  Summary

  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?. The wrinkles may trap water and cause the paint to stain from the trapped moisture, especially on horizontal surfaces such as the hood, roof, and trunk. Follow the Repair Procedure in this bulletin to address this condition.

  Associated Products (199)

  2021 Toyota 4Runner2021 Toyota Avalon2021 Toyota C-HR2021 Toyota Camry2021 Toyota Corolla2021 Toyota Highlander2021 Toyota Land Cruiser2021 Toyota Mirai2021 Toyota Prius2021 Toyota Prius C2021 Toyota RAV42021 Toyota Sequoia2021 Toyota Sienna2021 Toyota Tacoma2021 Toyota Tundra2021 Toyota Venza2020 Toyota 4Runner2020 Toyota 862020 Toyota Avalon2020 Toyota C-HR+ 179 more
  Associated Documents

  • DownloadMC-10190448-0001.pdf↗
• February 3, 2021•Document ID: 10188913

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  T-SB-0032-20 Rev

  Date Added:

  March 15, 2021

  Manufacturer:

  TOYOTA

  Summary

  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 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 (533)

  2021 Toyota 4Runner2021 Toyota Avalon2021 Toyota C-HR2021 Toyota Camry2021 Toyota Corolla2021 Toyota Highlander2021 Toyota Land Cruiser2021 Toyota Mirai2021 Toyota Prius2021 Toyota Prius C2021 Toyota RAV42021 Toyota Sequoia2021 Toyota Sienna2021 Toyota Tacoma2021 Toyota Tundra2021 Toyota Venza2020 Toyota 4Runner2020 Toyota 862020 Toyota Avalon2020 Toyota C-HR+ 513 more
  Associated Documents

  • DownloadMC-10188913-0001.pdf↗
• January 25, 2021•Document ID: 10187269

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

  Mfr Comm. #:

  T-SB-0095-20 Rev

  Date Added:

  February 16, 2021

  Manufacturer:

  TOYOTA

  Summary

  TSB: Some 2020 model year Camry, Camry Hybrid, Corolla Hatchback, RAV4, and RAV4 Hybrid vehicles may exhibit one or more of the following conditions: ?Diagnostic Trouble Code (DTC) B15A804 is present in current or history. ?Red SOS LED stays on after bulb check. ?Toyota App does not accept the activation code. ?Toyota App is inoperative. ?SOS call center does not receive the vehicle?s location in a timely manner. ?Toyota App shows an error 42 when trying to execute a command. ?Unable to remote start the vehicle with the key fob (if equipped). ?Unable to subscribe to remote services. ?Unable to activate Wi-Fi. ?Destination Assist is inoperative Some 2020 ? 2021 model year Camry, Camry Hybrid, Corolla Hatchback, RAV4, and RAV4 Hybrid vehicles and some 2021 model year Avalon, Avalon Hybrid, Corolla, Corolla Hybrid, Sienna Hybrid, and Venza Hybrid vehicles may exhibit one or more of the following conditions: ?DTC B15A804 is present in current or history. ?Red SOS LED stays on after bulb check. ?Toyota App is inoperative. ?Unable to subscribe to remote services. ?Unable to activate Wi-Fi. ?Depleted 12V vehicle battery when in IG-OFF. Some 2020 ? 2021 model year Camry, Camry Hybrid, Corolla Hatchback, RAV4, and RAV4 Hybrid vehicles and some 2021 model year Avalon, Avalon Hybrid, Corolla, Corolla Hybrid, Sienna Hybrid, and Venza Hybrid vehicles may exhibit the following condition: ?Depleted 12V vehicle battery when in IG-OFF. A DCM reset and firmware update is now available to address these conditions. Follow the DCM Reset and Firmware Update Procedure in this bulletin to update the firmware.

  Associated Products (9)

  2021 Toyota Avalon2021 Toyota Camry2021 Toyota Corolla2021 Toyota RAV42021 Toyota Sienna2021 Toyota Venza2020 Toyota Camry2020 Toyota Corolla2020 Toyota RAV4
  Associated Documents

  • DownloadMC-10187269-0001.pdf↗
• January 20, 2021•Document ID: 10187264

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION:SOFTWARE

  Mfr Comm. #:

  T-TT-0599-20 Rev

  Date Added:

  February 16, 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 C-HR2021 Toyota Camry2021 Toyota Corolla2021 Toyota Highlander2021 Toyota Prius2021 Toyota RAV42021 Toyota Sequoia2021 Toyota Sienna2021 Toyota Tacoma2021 Toyota Tundra2021 Toyota Venza2020 Toyota 4Runner2020 Toyota C-HR2020 Toyota Camry2020 Toyota Corolla2020 Toyota Highlander2020 Toyota RAV42020 Toyota Sequoia+ 2 more
  Associated Documents

  • DownloadMC-10187264-0001.pdf↗
• December 14, 2020•Document ID: 10187241

  Service Bulletin/Repair Instructions
  SERVICE BRAKES; BACK OVER PREVENTION

  Mfr Comm. #:

  T-TT-0636-20

  Date Added:

  February 16, 2021

  Manufacturer:

  TOYOTA

  Summary

  TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care (TCMC) brake pads may exhibit a groan or squeak noise in various driving conditions.

  Associated Products (382)

  2021 Toyota Corolla2020 Toyota 4Runner2020 Toyota Avalon2020 Toyota Camry2020 Toyota Corolla2020 Toyota Highlander2020 Toyota Land Cruiser2020 Toyota Mirai2020 Toyota Prius2020 Toyota Prius C2020 Toyota RAV42020 Toyota Sequoia2020 Toyota Sienna2020 Toyota Tacoma2020 Toyota Tundra2019 Toyota 4Runner2019 Toyota Avalon2019 Toyota Camry2019 Toyota Corolla2019 Toyota Highlander+ 362 more
  Associated Documents

  • DownloadMC-10187241-0001.pdf↗
• December 14, 2020•Document ID: 10187240

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION

  Mfr Comm. #:

  T-SB-0121-20

  Date Added:

  February 16, 2021

  Manufacturer:

  TOYOTA

  Summary

  TSB: Some 2020 ? 2021 model year Corolla and Corolla Hybrid vehicles, and some 2019 ? 2021 model year Corolla Hatchback vehicles may exhibit a sloshing or splashing noise when turning at low speeds or when opening and closing doors. This can be caused by water inside one or more of the vehicle doors. Follow the Repair Procedure in this bulletin to address this condition.

  Associated Products (3)

  2021 Toyota Corolla2020 Toyota Corolla2019 Toyota Corolla
  Associated Documents

  • DownloadMC-10187240-0001.pdf↗
• December 14, 2020•Document ID: 10187239

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

  Mfr Comm. #:

  T-SB-0095-20 Rev

  Date Added:

  February 16, 2021

  Manufacturer:

  TOYOTA

  Summary

  TSB: Some 2020 model year Camry, Camry Hybrid, Corolla Hatchback, RAV4, and RAV4 Hybrid vehicles may exhibit one or more of the following conditions: ?Diagnostic Trouble Code (DTC) B15A804 is present in current or history. ?Red SOS LED stays on after bulb check. ?Toyota App does not accept the activation code. ?Toyota App is inoperative. ?SOS call center does not receive the vehicle?s location in a timely manner. ?Toyota App shows an error 42 when trying to execute a command. ?Unable to remote start the vehicle with the key fob (if equipped). ?Unable to subscribe to remote services. ?Unable to activate Wi-Fi. ?Destination Assist is inoperative. Some 2020 ? 2021 model year Camry, Camry Hybrid, Corolla Hatchback, RAV4, and RAV4 Hybrid vehicles and some 2021 model year Avalon, Avalon Hybrid, Corolla, Corolla Hybrid, Sienna Hybrid, and Venza Hybrid vehicles may exhibit one or more of the following conditions: ?DTC B15A804 is present in current or history. ?Red SOS LED stays on after bulb check. ?Toyota App is inoperative. ?Unable to subscribe to remote services. ?Unable to activate Wi-Fi. ?Depleted 12V vehicle battery when in IG-OFF. A DCM reset and firmware update is now available to address these conditions. Follow the DCM Reset and Firmware Update Procedure in this bulletin to update the firmware.

  Associated Products (9)

  2021 Toyota Avalon2021 Toyota Camry2021 Toyota Corolla2021 Toyota RAV42021 Toyota Sienna2021 Toyota Venza2020 Toyota Camry2020 Toyota Corolla2020 Toyota RAV4
  Associated Documents

  • DownloadMC-10187239-0001.pdf↗
• December 14, 2020•Document ID: 10186195

  Service Bulletin/Repair Instructions
  SERVICE BRAKES, HYDRAULIC

  Mfr Comm. #:

  T-TT-0636-20

  Date Added:

  February 1, 2021

  Manufacturer:

  TOYOTA

  Summary

  TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care (TCMC) brake pads may exhibit a groan or squeak noise in various driving conditions.

  Associated Products (382)

  2021 Toyota Corolla2020 Toyota 4Runner2020 Toyota Avalon2020 Toyota Camry2020 Toyota Corolla2020 Toyota Highlander2020 Toyota Land Cruiser2020 Toyota Mirai2020 Toyota Prius2020 Toyota Prius C2020 Toyota RAV42020 Toyota Sequoia2020 Toyota Sienna2020 Toyota Tacoma2020 Toyota Tundra2019 Toyota 4Runner2019 Toyota Avalon2019 Toyota Camry2019 Toyota Corolla2019 Toyota Highlander+ 362 more
  Associated Documents

  • DownloadMC-10186195-0001.pdf↗
• December 14, 2020•Document ID: 10186194

  Service Bulletin/Repair Instructions
  STRUCTURE

  Mfr Comm. #:

  T-SB-0121-20

  Date Added:

  February 1, 2021

  Manufacturer:

  TOYOTA

  Summary

  TSB: Some 2020 ? 2021 model year Corolla and Corolla Hybrid vehicles, and some 2019 ? 2021 model year Corolla Hatchback vehicles may exhibit a sloshing or splashing noise when turning at low speeds or when opening and closing doors. This can be caused by water inside one or more of the vehicle doors. Follow the Repair Procedure in this bulletin to address this condition.

  Associated Products (3)

  2021 Toyota Corolla2020 Toyota Corolla2019 Toyota Corolla
  Associated Documents

  • DownloadMC-10186194-0001.pdf↗
• December 14, 2020•Document ID: 10186193

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL

  Mfr Comm. #:

  T-SB-0095-20 Rev

  Date Added:

  February 1, 2021

  Manufacturer:

  TOYOTA

  Summary

  TSB: Some 2020 model year Camry, Camry Hybrid, Corolla Hatchback, RAV4, and RAV4 Hybrid vehicles may exhibit one or more of the following conditions: ?Diagnostic Trouble Code (DTC) B15A804 is present in current or history. ?Red SOS LED stays on after bulb check. ?Toyota App does not accept the activation code. ?Toyota App is inoperative. ?SOS call center does not receive the vehicle?s location in a timely manner. ?Toyota App shows an error 42 when trying to execute a command. ?Unable to remote start the vehicle with the key fob (if equipped). ?Unable to subscribe to remote services. ?Unable to activate Wi-Fi. ?Destination Assist is inoperative. Some 2020 ? 2021 model year Camry, Camry Hybrid, Corolla Hatchback, RAV4, and RAV4 Hybrid vehicles and some 2021 model year Avalon, Avalon Hybrid, Corolla, Corolla Hybrid, Sienna Hybrid, and Venza Hybrid vehicles may exhibit one or more of the following conditions: ?DTC B15A804 is present in current or history. ?Red SOS LED stays on after bulb check. ?Toyota App is inoperative. ?Unable to subscribe to remote services. ?Unable to activate Wi-Fi. ?Depleted 12V vehicle battery when in IG-OFF. A DCM reset and firmware update is now available to address these conditions. Follow the DCM Reset and Firmware Update Procedure in this bulletin to update the firmware.

  Associated Products (9)

  2021 Toyota Avalon2021 Toyota Camry2021 Toyota Corolla2021 Toyota RAV42021 Toyota Sienna2021 Toyota Venza2020 Toyota Camry2020 Toyota Corolla2020 Toyota RAV4
  Associated Documents

  • DownloadMC-10186193-0001.pdf↗
• November 13, 2020•Document ID: 10184549

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  T-TT-0634-20

  Date Added:

  December 21, 2020

  Manufacturer:

  TOYOTA

  Summary

  TT: Some vehicles may experience an issue related to the DCM, the following information is consolidating the available diagnostic information in one document.

  Associated Products (21)

  2021 Toyota 4Runner2021 Toyota Avalon2021 Toyota C-HR2021 Toyota Camry2021 Toyota Corolla2021 Toyota Highlander2021 Toyota RAV42021 Toyota Sequoia2021 Toyota Sienna2021 Toyota Tacoma2021 Toyota Tundra2021 Toyota Venza2020 Toyota 4Runner2020 Toyota C-HR2020 Toyota Camry2020 Toyota Corolla2020 Toyota Highlander2020 Toyota RAV42020 Toyota Sequoia2020 Toyota Tacoma+ 1 more
  Associated Documents

  • DownloadMC-10184549-0001.pdf↗