2025 Toyota Highlander Service and Repair Manual

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Factory-Grade Data

2025 Toyota Highlander service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications, torque values, and reference data
  • Electrical diagnostics with full wiring diagrams
  • Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more
  • Diagnostic trouble codes and troubleshooting flow
  • Maintenance schedules and fluid capacities

Trims covered

  • Hybrid Limited
  • Hybrid Limited 25th Edition
  • Hybrid Platinum
  • Hybrid XLE
  • Hybrid XLE Nightshade
  • LE
  • Limited
  • Platinum
  • XLE
  • XSE

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Maintenance & Lubrication
  • Specifications
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Diagnostic Trouble Codes
  • Technical Service Bulletins
  • Wiring Diagrams

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Vehicle Safety Data

2025 Toyota Highlander Recalls & Complaints

NHTSA #25V74400030/10/2025Component: BACK OVER PREVENTION:DISPLAY FUNCTION

Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2022-2026 Toyota, Lexus, and Subaru Solterra vehicles equipped with a Panoramic View Monitor (PVM) system. Please see the recall

Consequence

A rearview camera that fails to display an image can reduce the driver's view behind the vehicle, in

Remedy

Dealers will update the parking assist software, free of charge. Owner letters were mailed January 2

NHTSA #25V87200017/12/2025Component: SEAT BELTS:REAR/OTHER:ANCHORAGE

Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2024-2025 Highlander and Highlander Hybrid vehicles. The third row center seat belt roof anchor may have been installed at an inc

Consequence

A seat belt that does not properly restrain an occupant increases the risk of injury during a crash.

Remedy

Dealers will reinstall the seat belt anchor with a new bolt, free of charge. Owner notification lett

NHTSA #25V59500011/09/2025Component: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2023-2024 Toyota Venza, 2023-2025 RAV4 Prime, RAV4, Highlander, GR Corolla, Crown, 2024-2025 Lexus TX, LS, Toyota Tacoma, Grand H

Consequence

An instrument panel display that does not show critical information can increase the risk of a crash

Remedy

Dealers will update the instrument panel software over-the-air (OTA) for non-PHEV vehicles, free of

TSB #11028712

Some 2005 2026 Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. Follow the procedures in this bulletin to remediate the odor and address this condition. The purpose of this Servic

TSB #11026306

A new head unit software update is available for 2022 2025 model year Tundra, and Tundra Hybrid; 2023 2025 model year Corolla Cross, Corolla Cross Hybrid, Highlander, Highlander Hybrid, Mirai, and Sequoia Hybrid vehicles equipped with Toyot

TSB #11020657

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

TSB #11019331

To assist with the early detection and early resolution of audio related concerns you may be asked 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 u

TSB #11018328

To assist with the early detection and early resolution of audio related concerns you may be asked 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 u

TSB #11016782

Flash reprogramming allows the Electronic Control Unit (ECU) software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix procedures described in individual Service B

TSB #11016781

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/R

TSB #11015496

Flash reprogramming allows the Electronic Control Unit (ECU) software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix procedures described in individual Service B

Showing the 8 most recent of 35 technical service bulletins on file with NHTSA.

20260121Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

The contact owns a 2025 Toyota Highlander. The contact stated while driving at an undisclosed speed, there was an abnormally strong odor entering the cabin of the vehicle through the vents. The window

20260116Component: UNKNOWN OR OTHER

I am reporting a safety defect in the 2025 Toyota Highlander Hybrid Nightshade involving the multifunction turn signal switch. The interior trim adhesive on the steering column has experienced a chemi

20251225Component: SERVICE BRAKES

Black Toyota Highlander Hybrid AWD 2025 ~15000 miles What component or system failed or malfunctioned, and is it available for inspection upon request? Without any warning, the braking action is del

20250926Component: UNKNOWN OR OTHER

While waiting for a traffic light to change, I pressed the pedal to accelerate, and the car would not move. Like my pedal was dead. I have experienced this issue three times. I have also experience

20250726Component: SEAT BELTS

Passenger seat belt won't extend half of the time. We have tried with engine on or off, put it in park and in gear, door open or closed and every other trick. We have pulled the belt straight up and

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