2023 Toyota Highlander Hybrid technical service bulletins
117 technical service bulletins and manufacturer communications cover the 2023 Toyota Highlander Hybrid, including 2 warranty extensions.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Although the HV Floor Under Wire Harness and Rear Traction Motor Cable is covered by Toyota’s New Vehicle...
- 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
- 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...
- A new head unit software update is available for 2022 – 2025 model year Tundra, and Tundra Hybrid; 2023 –...
- 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)...
- A new head unit software update is available for 2023 model year Corolla Cross, Corolla Cross Hybrid,...
- 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...
- The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master...
- Some 2021-2025 MY Highlander HV, Sienna HV, RAV4, and RAV4 HV, may exhibit an oil leak from the area where...
- 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...
- The subject vehicles were delivered with only one (1) Smart Key on select models since October 2022 due to...
- The supply of Smart Keys available for Toyota vehicles has been temporarily limited to one (1) on select...
- Second key delivery program 23TJ01
- The table below describes the phases currently planned for the Second Key Delivery Program and the...
- Some 2022 model year Avalon and Avalon Hybrid, 2022 – 2024 model year Camry, Camry Hybrid, Corolla,...
- Condition in which the remote climate system is inoperative after the vehicle has been off for three hours...
- Second key delivery program
- The table describes the phases currently planned for the Second Key Delivery Program and the estimated...
- Some customers have expressed concern that the wireless functions of their Key Fob stop working
- Condition in which a musty odor is present
- Obsolete notice
- This Service Bulletin provides updated non-electric water pump leak inspection and diagnostic tips for...
- Second Key Delivery Program Frequently Asked Questions
- The Data Communication Module (DCM), which supports Toyota Connected Services in your vehicle, may not...
- Technical instructions for special service campaign 24TC03 data communicaton module (DCM) update certain...
- Second Key Delivery Program
- 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
- Some customers have complained that the wireless functions of their Key Fob stop working
- A head unit software update is now available for 2023 model year Corolla Cross, Corolla Cross Hybrid,...
- DP: The subject vehicles were delivered with only one (1) Smart Key on select models since October 2022...
- 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...
- One or more of the following conditions: ?Milky/discolored engine oil
- RL: The supply of Smart Keys available for Toyota vehicles has been temporarily limited to one (1) on...
- Ti: technical instructions for 23TJ01
- Hybrid system warning lamp occurring in below-freezing temperatures (below 32°F or 0°C). After performing...
- TT: A very small percentage of customers experience operational difficulties with some telematics features...
- Some 2023 ? 2024 model year Toyota vehicles use hub bolts in place of studs/nuts to fasten the wheels to...
- MIL ON condition with one or both of the following Diagnostic Trouble Codes (DTCs) present: ?P24517F ?...
- TT: After jump-starting, the vehicle may experience a no-start condition and multiple DTCs including U010087
- TT: When setting up the Toyota Audio Multimedia (21MM) user profile, if the QR code is not working please...
- TT: Some 2022-2024 MY vehicles equipped with the A25A engine may exhibit a leak from the engine water...
- Pre-Delivery Service (PDS) is a critical step in satisfying our new car customers
- During the manufacturing process, tires are mounted on the vehicle as matched sets to help reduce...
- Hybrid vehicles are equipped with two types of batteries: ?Hybrid vehicle (HV) battery
- 2023 model year Toyota vehicles are equipped with driver side floor mat retainers to secure the floor mat...
- Long-term or off-site storage requires special care to keep vehicles factory fresh and ready for delivery
- TT: To improve customer support of telematics connected services features, additional resources have been...
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