2025 Toyota Grand 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 LE
- Hybrid Limited
- Hybrid MAX Limited
- Hybrid MAX Platinum
- Hybrid Nightshade
- Hybrid XLE
- LE
- Limited
- Platinum
- XLE
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
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
A rearview camera that fails to display an image can reduce the driver's view behind the vehicle, in
Dealers will update the parking assist software, free of charge. Owner letters were mailed January 2
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2024-2025 Toyota Tundra, Tacoma Hybrid, Tacoma, RAV4 Hybrid, Land Cruiser Hybrid, Lexus GX550, 2024-2026 Tundra Hybrid, 2025 Sequ
A vehicle with an incorrect maximum capacity weight value may be overloaded, which can increase the
Dealers will replace the load carrying capacity modification label, free of charge. Owner notificati
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
An instrument panel display that does not show critical information can increase the risk of a crash
Dealers will update the instrument panel software over-the-air (OTA) for non-PHEV vehicles, free of
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
Some 2024 2025 model year Grand Highlander and Grand Highlander Hybrid vehicles may exhibit an abnormal fluttering and/or vibration across the rear-center section of the hood. This phenomenon is most notable on darker color vehicles. Howeve
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
Some 2024 2025 model year Grand Highlander and Grand Highlander Hybrid vehicles may exhibit a condition where the Blind Spot Monitor (BSM) system is inoperative, there is a BSM malfunction message on the multi-information display (MID), or
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
Some 2024 2025 model year Grand Highlander and Grand Highlander Hybrid vehicles may exhibit a condition where the Blind Spot Monitor (BSM) system is inoperative, there is a BSM malfunction message on the multi-information display (MID), or
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
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 38 technical service bulletins on file with NHTSA.
On multiple occasions (four) my 2025 Toyota Grand Highlander Hybrid Max has failed to accelerate when I push the gas pedal. Once in traffic, which was extremely scary and a huge hazard. I have contact
On multiple occasions (four) my 2025 Toyota Grand Highlander Hybrid Max has failed to accelerate when I push the gas pedal. Once in traffic, which was extremely scary and a huge hazard. I have contact
âThe aluminum vehicle hood exhibits severe, abnormal fluttering and vibration across the rear-center section when driving at highway speeds (approx. 55-70+ mph). This movement is constant and highly
The electronic parking brake on my 2025 Toyota Grand Highlander intermittently fails to auto-release when shifting from Park to Reverse or Drive. Curiously, the system does respond to the gear shifter
I was driving on in the left most lane on a highway at 70 miles speed with multiple trucks speeding from behind. My car suddenly lost acceleration and saw multiple warning messages on my car display.
Showing the 5 most serious of 61 complaints filed with NHTSA.
