2021 Toyota Highlander Hybrid technical service bulletins
159 technical service bulletins and manufacturer communications cover the 2021 Toyota Highlander Hybrid, including 12 warranty extensions.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Although the flow shut-off valve is covered by Toyota’s New Vehicle Limited Warranty for 36 months or...
- Although the HV Floor Under Wire Harness and Rear Traction Motor Cable is covered by Toyota’s New Vehicle...
- Customer support program 24TE04
- Engine
- Frequently Asked Questions CUSTOMER SUPPORT PROGRAM 24TE04 Multiple Model & Model Year Toyota Vehicles...
- This Customer Support Program provides coverage as it applies to Flow Shut-off Valve Coolant Leak on...
- Obsolete notice
- Water leak from the roof rack attachment clips
- Condition in which the air conditioner does not cool due to a leak and/or corrosion in the rear underbody...
- Obsolete notice
- Obsolete notice
- Some 2018 – 2024 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System...
- Condition in which a musty odor is present
- Condition in which the Power Back Door (PBD) will not open or close and/or stops moving while opening or...
- The subject vehicles are equipped with a rear motor unit and an HV Floor Under Wire that provide high...
- Technical instructions for 25TD01 rear traction motor cable corrosion certain 2019 - 2024 RAV4 HV (AWD),...
- Technical instructions for 25TD01 rear traction motor cable corrosion certain 2019 - 2024 RAV4 HV (AWD)...
- The specific condition covered by this program is for a small engine coolant leak that can occur from the...
- Condition in which an “Engine Maintenance Required” message is displayed in the Multi-Information Display...
- The air conditioning dye injection tool kit has been developed to aid in identifying the location of air...
- To assist with the early detection and early resolution of audio related concerns you may be asked to...
- Some 2018 – 2024 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System...
- The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master...
- 22TD02 expired on 2/7/2025 A seam near the fuel inlet may not have been properly sealed during manufacturing
- Technical instructions limited service campaign 22TD02 fuel inlet housing certain 2021 model year...
- Some 2021-2025 MY Highlander HV, Sienna HV, RAV4, and RAV4 HV, may exhibit an oil leak from the area where...
- TT: Engine Oil Leak between the Lower Oil Pan and Crank Case
- This bulletin includes basic procedures for performing a rescue charge at battery on high voltage (HV)...
- Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical...
- To prevent brake rotor rust from forming during transportation and storage, wheel film will be used...
- The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix...
- Toyota vehicles are currently protected with RapgardTM protective film designed to protect the horizontal...
- Vehicles may occasionally be subjected to contamination by airborne iron particles shed from railroad...
- 22TD02
- Service Campaign completion is an important part of our commitment to customer satisfaction of Toyota products
- Toyota plans to conduct Safety Recall and Service Campaign follow-up notifications to owners whose...
- Technical instructions for customer support program 22TE09 HV floor under wire harness and rear traction...
- Condition in which a musty odor is present
- This Service Bulletin provides updated non-electric water pump leak inspection and diagnostic tips for...
- Safety Recall and Service Campaign completion is an important part of our commitment to customer...
- Toyota plans to conduct Safety Recall and Service Campaign follow-up notifications to owners whose...
- After jump-starting, the vehicle may experience a no-start condition and multiple DTCs including U010087
- Toyota vehicles are currently protected with RapgardTM protective film designed to protect the horizontal...
- Water leak from the roof rack attachment clips
- Customers have expressed concerns about the performance of Qi Wireless Chargers
- Obsolete notice
- This is to advise of various price adjustments that will affect Toyota Genuine Motor Oil and Long Life...
- The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master...
- DP: Although the HV Floor Under Wire Harness and Rear Traction Motor Cable is covered by Toyota?s New...
- Some 2018 ? 2022 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System...
- One or more of the following conditions: ?Milky/discolored engine oil
- TT: Some 2020-2022 vehicles equipped with North American Produced (NAP) A25A-FKS/FXS engines may...
- Hybrid system warning lamp occurring in below-freezing temperatures (below 32°F or 0°C). After performing...
- Toyota vehicles equipped with an A25A-FKS or A25A-FXS engine may exhibit reduced engine power and/or a MIL...
- TT: A very small percentage of customers experience operational difficulties with some telematics features...
- MIL ON condition with one or both of the following Diagnostic Trouble Codes (DTCs) present: ?P24517F ?...
- Ti: technical instructions for customer support program 22TE09 HV floor under wire harness and rear...
- TT: After jump-starting, the vehicle may experience a no-start condition and multiple DTCs including U010087
- DP: Although the high-pressure fuel pump is covered by Toyota?s New Vehicle Limited Warranty for 5 years...
- TT: To assist with the early detection and early resolution of audio related concerns, it may be requested...
- TT: Some 2021-2022 TMMK built vehicles with A25A-FKS/FXS engines may exhibit an oil leak from the No.2 Oil...
- MIL ON condition with Diagnostic Trouble Codes (DTCs) P0087 (Fuel Rail/System Pressure ? Too Low) and/or...
- Some 2018 ? 2022 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System,...
- TT: After jump-starting, the vehicle may experience a no-start condition and multiple DTCs including U010087
- TT: Vehicles listed above equipped with a Denso Ten radio (Entune Audio Plus or Premium Audio) may exhibit...
- Abnormal multi-display operation, including but not limited to: an intermittent blank screen (reverse...
- TT: Some Model Year 2018-2021 vehicles equipped with A25A-FKS/FXS or M20A-FKS/FXS engines may display the...
- Paint stains after the removal of Rapgard?. The paint stains may appear to be under the clear coat but are...
- This bulletin includes basic procedures for performing a rescue charge at battery on high voltage (HV)...
- Condition in which a musty smell is present
- Abnormal whistle noise from the front when driving over 35 mph
- TT: To improve customer support of telematics connected services features, additional resources have been...
- DL: Due to improper programming of the Data Communication Module (DCM), which provides cellular...
- Technical instructions for 22TC01 data communication module (DCM) reprogramming certain 2021 model year...
- DL: A seam near the fuel inlet may not have been properly sealed during manufacturing
- Ti: technical instructions limited service campaign 22TD02FUEL inlet housing certain 2021 model year...
- Ti: technical instructions limited service campaign 22LD01 optional body-colored rear spoiler designed...
- DD: LIMITED SERVICE CAMPAIGN 22TD02 (Remedy Notice) Dealer Letter and Technical Instructions Available on...
- SSC: Toyota Over-The- Air (OTA) Pilot Program Team Members SPECIAL SERVICE CAMPAIGN 22TC01
- Some 2018 model year Camry and Camry Hybrid, 2019 model year Avalon and Avalon Hybrid, 2020 ? 2021 model...
- Obsolete notice
- RL: Due to improper programming of the Data Communication Module (DCM), which provides cellular...
- One or more of the following conditions: ?The fuel gauge displays less than full when the fuel nozzle...
- TSB This Service Bulletin includes guidelines meant to help determine whether to repair or replace a wire...
- TT: Some customers may experience the inability to activate Remote Connect or Remote Connect becoming...
- POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground...
- One or more of the following conditions: ?Milky/Discolored engine oil
- Some 2020 ? 2022 model year Highlander Hybrid vehicle customers may express a concern of engine noise on...
- One or more of the following conditions: ?WiFi intermittently inoperative
- One or more of the following conditions: ?Diagnostic Trouble Code (DTC) B15A804 is present in current or...
- Obsolete notice
- TT: Special Service Campaign 21TC05 applies to the following condition: The fuel gauge needle and the...
- TSB During the manufacturing process, tires are mounted on the vehicle as matched sets to help reduce...
- 2022 model year Toyota vehicles are equipped with driver side floor mat retainers to secure the floor mat...
- Updates to the 2014-2021 toyota universal flat rate manual
- TT: Some vehicles equipped with Premium Audio systems may experience an inoperative condition that...
- One or more of the following conditions: ?Intermittent blank screen
- Toyota Safety Recall and Service Campaign
- TT: Some vehicles may experience an issue related to the DCM, the following information is consolidating...
- Pre-Delivery Service (PDS) is a critical step in satisfying our new car customers
- Obsolete notice
- Hybrid vehicles are equipped with two types of batteries: ?Hybrid Vehicle (HV) battery ?Auxiliary (12V)...
- TT: Unibody vehicles commonly have lashing holes on the under body used for securing the vehicle during...
- TT: Due to the challenges caused by the COVID-19 virus threat, some dealers are experiencing reduced...
- An initialization procedure is required to activate the Entune? 3.0 App Suite Connect for Audio, Audio...
- A battery in a stored vehicle is subject to conditions that can reduce its performance and service life
- Long-term or off-site storage requires special care to keep vehicles factory fresh and ready for delivery
- TT: The blind spot monitor (BSM) sensor angle inspection is used to confirm that the BSM sensor is within...
- Replacement vin plates.
- Product general information.
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