2023 Toyota GR Corolla Service and Repair Manual
2023 Toyota GR Corolla 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.
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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
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
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
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
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
OBSOLETE NOTICE February 11, 2025: This bulletin is now obsolete. Please see T-SB-0021-25.
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 64 technical service bulletins on file with NHTSA.
Drove car at reasonable low speeds (30-40mph) parked vehicle and noticed smell of something burning and light smoke. Opened hood and car was on fire. No mods, completely stock, low mileage. All servic
the vehicle caught fire, only 5073 miles we donât know why
Both front tires on my 2023 Toyota GR Corolla have developed severe inner-edge wear down to the cords, while the rest of the tread remains in excellent condition. This occurred at approximately 14,000
Both front tires on my 2023 Toyota GR Corolla have developed severe inner-edge wear down to the cords, while the rest of the tread remains in excellent condition. This occurred at approximately 14,000
Both front tires on my 2023 Toyota GR Corolla have developed severe inner-edge wear down to the cords, while the rest of the tread remains in excellent condition. This occurred at approximately 14,000
Showing the 5 most serious of 18 complaints filed with NHTSA.
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