Toyota Highlander Service Bulletins (2021)

231 manufacturer communications on file.

• April 19, 2024•Document ID: 11003589

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY

  Mfr Comm. #:

  T-SB-0035-24

  Date Added:

  July 6, 2024

  Manufacturer:

  TOYOTA

  Summary

  Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical impurities in the atmosphere. If these acidic compounds settle on an exposed vehicle, especially the horizontal areas such as the hood, roof, and decklid, significant damage to the painted surfaces can occur. Acid rain damage can typically be identified on vehicles by the presence of stains on the paint surface that resemble hard water spots. Unlike water spots however, acid rain damage cannot be removed by regular washing procedures. Also, because acid rain can etch and soften the paint, normal buffing or polishing repair procedures should not be attempted. This can cause further damage and result in visible depressions in the paint surface. The following are the three major categories of acid rain damage: •Minor damage: requires only buffing to repair. •Moderate damage: usually requires neutralizing, color sanding, and buffing. •Severe damage: extending beyond 1/2 mil of clearcoat on a pearl, metallic, or solid color, requires neutralization, sanding, and repainting. In cases where acid rain damage is minor, neutralization and buffing with a liquid-type paint finessing product may provide an adequate repair. Only specially formulated products outlined in this bulletin should be used for that purpose. Unfortunately, other than minor damage, there is no simple method of determining the actual extent (depth) of acid penetration other than color sanding a representative affected area until there is no visible etching or depressions, followed by measuring the amount of paint removed with either a magnetic or digital-type film thickness gauge. The procedures in this bulletin are intended for use by qualified body/paint technicians and should not be attempted by inexperienced personnel. While the quality and durability of paint on Toyota vehicles is continuously being improved, it remains the dealer’s responsibility to protect and maintain the quality of the vehicle’s paint finish after receipt at the dealership prior to the first sale. To read, While the quality and durability of paint on Toyota vehicles is continuously being improved, it remains the dealer’s responsibility to protect and maintain the quality of the vehicle’s paint finish after receipt at the dealership prior to first sale. Perform frequent vehicle washing, as often as daily, during high heat and humidity periods to minimize the potential for paint damage due to acid rain exposure. This is especially important in geographical areas known for high frequency and concentration of acid rain and industrial fallout.

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  Associated Documents

  • DownloadMC-11003589-0001.pdf↗
• April 11, 2024•Document ID: 11003619

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  T-TT-0754-24

  Date Added:

  July 6, 2024

  Manufacturer:

  TOYOTA

  Summary

  Customers have expressed concerns about the performance of Qi Wireless Chargers. Wireless chargers on applicable vehicles are designed to work with Qi Certified devices only. MagSafe devices, that are not Qi Certified, may not charge as expected with Qi Wireless Chargers.

  Associated Products (94)

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  Associated Documents

  • DownloadMC-11003619-0001.pdf↗
• April 11, 2024•Document ID: 11003564

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  T-TT-0754-24

  Date Added:

  July 6, 2024

  Manufacturer:

  TOYOTA

  Summary

  Customers have expressed concerns about the performance of Qi Wireless Chargers. Wireless chargers on applicable vehicles are designed to work with Qi Certified devices only. MagSafe devices, that are not Qi Certified, may not charge as expected with Qi Wireless Chargers.

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  Associated Documents

  • DownloadMC-11003564-0001.pdf↗
• March 11, 2024•Document ID: 10253230

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER

  Mfr Comm. #:

  T-SB-0064-18 Obs

  Date Added:

  April 15, 2024

  Manufacturer:

  TOYOTA

  Summary

  OBSOLETE NOTICE March 11, 2024: This bulletin is now obsolete. Please see T-SB-0013-24.

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  Associated Documents

  • DownloadMC-10253230-0001.pdf↗
• March 4, 2024•Document ID: 10253225

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  T-SB-0013-24

  Date Added:

  April 15, 2024

  Manufacturer:

  TOYOTA

  Summary

  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 and can never be reused. Another feature, Add/Remove Key, is also available. Once a key is removed, it can never be reused.

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  Associated Documents

  • DownloadMC-10253225-0001.pdf↗
• March 4, 2024•Document ID: 10253223

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  T-PANT-2024-004-

  Date Added:

  April 15, 2024

  Manufacturer:

  TOYOTA

  Summary

  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.

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  Associated Documents

  • DownloadMC-10253223-0001.pdf↗
• February 28, 2024•Document ID: 10252272

  Service Bulletin/Repair Instructions
  HYBRID PROPULSION SYSTEM; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  22TE09

  Date Added:

  April 1, 2024

  Manufacturer:

  TOYOTA

  Summary

  DP: Although the HV Floor Under Wire Harness and Rear Traction Motor Cable is covered by Toyota?s New Vehicle Limited Warranty for 3 years or 36,000 miles (whichever comes first), we at Toyota care about the customers? ownership experience. Toyota is providing coverage for repairs related to excessive corrosion to the wire harness connections at the Rear Motor Generator. Excessive corrosion can cause AM Radio Static during certain drive cycles, or the vehicle may not start.

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  Associated Documents

  • DownloadMC-10252272-0001.pdf↗
• February 20, 2024•Document ID: 10252259

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

  Mfr Comm. #:

  TSB010622

  Date Added:

  April 1, 2024

  Manufacturer:

  TOYOTA

  Summary

  TSB: Some 2018 ? 2022 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software. The SST is used with applicable vehicles to deliver the update, however, the process for generating license keys differs from previous generations. Before attempting to perform a map update, the expiration date of the dynamic subscription (stored in the head unit), must be checked. If the expiration date has not passed, a license key may be generated without the purchase of an Activation Card Number (ACN). Updating the map without the use of an ACN is considered an Embedded Navigation Update (refer to pg. 10) and performing this update does not extend the subscription to dynamic map services. If the subscription period has expired, or is expiring within the next 90 days, it should be recommended to the customer to purchase an ACN. Utilizing an ACN, will initiate the Dynamic Navigation Update (refer to pg. 4). This Dynamic Navigation Update will perform the embedded navigation update and provide dynamic map services for a period of two years from the date that the Dynamic Navigation Update is performed. ACNs are provided in a pamphlet available through the normal parts ordering system. Follow the process in this bulletin to perform the update.

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  Associated Documents

  • DownloadMC-10252259-0001.pdf↗
• February 15, 2024•Document ID: 10252251

  Service Bulletin/Repair Instructions
  SERVICE BRAKES, HYDRAULIC; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:COOLING SYSTEM; LANE DEPARTURE

  Mfr Comm. #:

  TSB010421

  Date Added:

  April 1, 2024

  Manufacturer:

  TOYOTA

  Summary

  TSB: Some 2018 ? 2024 model year Toyota vehicles equipped with an A25A-FKS, A25A-FXS, M20A-FKS, or M20A-FXS engine may exhibit one or more of the following conditions: ?Milky/discolored engine oil. ?An ?Oil Pressure Low? warning message on the Multi-information Display (MID). ?A MIL ON condition with Diagnostic Trouble Codes (DTCs) P05202A (Engine Oil Pressure Sensor/Switch ?A? Signal Stuck in Range) and/or P052477 (Engine Oil Pressure Too Low [Severe]) present. Moisture from blow-by gases condenses and accumulates in the engine oil during short trips in extreme cold weather. When the moisture in the oil freezes, the oil pressure may drop, and the aforementioned warning indicators may display. Follow the procedures in this bulletin to address these conditions.

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  Associated Documents

  • DownloadMC-10252251-0001.pdf↗
• February 12, 2024•Document ID: 10251754

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  T-TT-0702-22 Rev

  Date Added:

  March 18, 2024

  Manufacturer:

  TOYOTA

  Summary

  TT: Some 2020-2022 vehicles equipped with North American Produced (NAP) A25A-FKS/FXS engines may experience an oil leak from the head/valve cover gasket. This issue is currently under investigation.

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  Associated Documents

  • DownloadMC-10251754-0001.pdf↗
• November 17, 2023•Document ID: 10247820

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT

  Mfr Comm. #:

  TSB008523A

  Date Added:

  December 26, 2023

  Manufacturer:

  TOYOTA

  Summary

  TSB: Some 2016 ? 2023 model year Toyota vehicles may exhibit a hybrid system warning lamp occurring in below-freezing temperatures (below 32°F or 0°C). After performing a Health Check, one or both of the following Diagnostic Trouble Codes (DTCs) may be present: ?P1C8449 ? (High Voltage Power Resource Circuit Short during Ready ON) ?P300449 ? (High Voltage Power Resource Circuit Short during Pre-Charge) Follow the Repair Procedure in this bulletin to address this condition.

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  Associated Documents

  • DownloadMC-10247820-0001.pdf↗
• November 15, 2023•Document ID: 10247812

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  TSB009223

  Date Added:

  December 26, 2023

  Manufacturer:

  TOYOTA

  Summary

  Toyota vehicles equipped with an A25A-FKS or A25A-FXS engine may exhibit reduced engine power and/or a MIL ON condition

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  Associated Documents

  • DownloadMC-10247812-0001.pdf↗
• November 1, 2023•Document ID: 10247796

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  TSB008523

  Date Added:

  December 26, 2023

  Manufacturer:

  TOYOTA

  Summary

  TSB: Some 2016 ? 2023 model year Toyota vehicles may exhibit a hybrid system warning lamp occurring in below-freezing temperatures (below 32°F or 0°C). After performing a Health Check, one or both of the following Diagnostic Trouble Codes (DTCs) may be present: ?P1C8449 ? (High Voltage Power Resource Circuit Short during Ready ON) ?P300449 ? (High Voltage Power Resource Circuit Short during Pre-Charge) Follow the Repair Procedure in this bulletin to address this condition.

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  Associated Documents

  • DownloadMC-10247796-0001.pdf↗
• October 18, 2023•Document ID: 10245474

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  22TC01 Technical

  Date Added:

  November 27, 2023

  Manufacturer:

  TOYOTA

  Summary

  TI: TECHNICAL INSTRUCTIONS FOR 22TC01 DATA COMMUNICATION MODULE (DCM) REPROGRAMMING CERTAIN 2021 MODEL YEAR C-HR, RAV4 PRIME, TUNDRA CERTAIN 2021-2022 4RUNNER, HIGHLANDER, HIGHLANDER HV, PRIUS PRIME, SEQUOIA, TACOMA CERTAIN 2022 PRIUS

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  Associated Documents

  • DownloadMC-10245474-0001.pdf↗
• August 29, 2023•Document ID: 10244133

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; SERVICE BRAKES; AIR BAGS

  Mfr Comm. #:

  TSB005923

  Date Added:

  October 16, 2023

  Manufacturer:

  TOYOTA

  Summary

  TSB: Some drivers of 2020 ? 2022 model year Highlander Hybrid vehicles may be sensitive to the momentary transition from regenerative braking to hydraulic braking under certain driving conditions, such as while driving downhill, or turning with light brake pedal application. The brake actuator control module can be updated to improve brake feeling for this condition. Follow the Repair Procedure in this bulletin to address this condition.

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  Associated Documents

  • DownloadMC-10244133-0001.pdf↗
• August 21, 2023•Document ID: 10244116

  Service Bulletin/Repair Instructions
  VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

  Mfr Comm. #:

  TSB002123

  Date Added:

  October 16, 2023

  Manufacturer:

  TOYOTA

  Summary

  TSB: Some 2020 ? 2022 model year Highlander and RAV4 vehicles, and 2022 model year Tundra vehicles equipped with a start/stop switch may exhibit water entry to the vehicle from the HVAC drain hose being disconnected from the air conditioning radiator assembly and/or a grease/oil odor emitting from the vents. This condition may be caused by paraffin wax leaking from the evaporator. Follow the repair procedure in this bulletin to address this condition.

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  • DownloadMC-10244116-0001.pdf↗
• August 21, 2023•Document ID: 10244115

  Service Bulletin/Repair Instructions
  VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REFRIGERANT HOSES AND FITTINGS

  Mfr Comm. #:

  TSB005823

  Date Added:

  October 16, 2023

  Manufacturer:

  TOYOTA

  Summary

  TSB: The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. Follow the procedures outlined in this service bulletin to aid in locating, inspecting, and repairing refrigerant leaks

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  • DownloadMC-10244115-0001.pdf↗
• August 17, 2023•Document ID: 10244113

  Service Bulletin/Repair Instructions
  VEHICLE SPEED CONTROL; EQUIPMENT; AIR BAGS

  Mfr Comm. #:

  TSB003220

  Date Added:

  October 16, 2023

  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 ? 2023 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.

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  Associated Documents

  • DownloadMC-10244113-0001.pdf↗
• August 17, 2023•Document ID: 10244112

  Service Bulletin/Repair Instructions
  ENGINE; UNKNOWN OR OTHER

  Mfr Comm. #:

  TSB005123

  Date Added:

  October 16, 2023

  Manufacturer:

  TOYOTA

  Summary

  OBSOLETE NOTICE August 17, 2023: This bulletin is no longer applicable and is now obsolete

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  Associated Documents

  • DownloadMC-10244112-0001.pdf↗
• August 17, 2023•Document ID: 10244111

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; COMMUNICATION:MANUFACTURER TELEMATICS

  Mfr Comm. #:

  TTT073723

  Date Added:

  October 16, 2023

  Manufacturer:

  TOYOTA

  Summary

  TT: A very small percentage of customers experience operational difficulties with some telematics features which they cannot resolve on their own. These resources, in conjunction with the Repair Manual, are for dealership personnel to assist those customers with user issues, user errors, and compatibility issues with other vehicle systems and external applications encountered while operating telematics features. Toyota has developed and provided the following Telematics Diagnostic Guide to assist dealer technicians.

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  Associated Documents

  • DownloadMC-10244111-0001.pdf↗