2023 Toyota Supra Service and Repair Manual

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Factory-Grade Data

2023 Toyota Supra 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

  • A91-MT Edition
  • Base
  • Base, Automatic Trans
  • Base, Standard Trans
  • Premium, Automatic Trans
  • Premium, Standard Trans

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
  • Maintenance & Lubrication
  • Specifications
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Diagnostic Trouble Codes
  • Technical Service Bulletins
  • Wiring Diagrams

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Vehicle Safety Data

2023 Toyota Supra Recalls & Complaints

NHTSA #23V82100006/12/2023Component: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

BMW of North America, LLC (BMW) is recalling certain 2023 Toyota GR Supra, 3 Series Sedan (330i xDrive, M340i xDrive, M3), 5 Series Sedan (530i, 530i xDrive, M5), 4 Series Gran Coupe (430i, 430i xDriv

Consequence

Transmission oil that leaks into the control unit can lead to a seizure of the transmission gears, c

Remedy

Dealers will replace the transmission mechatronics module and the automatic transmission fluid, as n

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 #11012744

The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic compounds. If these contaminants settle and remain on a painted vehicl

TSB #11012743

To prevent brake rotor rust from forming during transportation and storage, wheel film will be used instead of a cardboard type of anti-rust cover. The purpose of the wheel film is to shield the disc brake rotor from weather elements and in

TSB #11012742

Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical impurities in the atmosphere. If these acidic compounds settle on an exposed vehicle, especially the horizontal areas such as the hood

TSB #11012735

Toyota vehicles are currently protected with RapgardTM protective film designed to protect the horizontal painted surfaces. This material protects from acid rain, environmental fallout, and rail contamination. Follow the Removal Procedure i

TSB #11012727

Vehicles may occasionally be subjected to contamination by airborne iron particles shed from railroad tracks, train wheels, exposure to heavy machinery facilities, grinding, welding, etc. This type of contamination can be identified by the

TSB #11007455

Some 2005 2024 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 #11007452

TECHNICAL INSTRUCTIONS FOR LIMITED-SERVICE CAMPAIGN 24TD04 DATA COMUNICATION MODULE (DCM) UPDATE CERTAIN 2020 - 2023 SUPRA

Showing the 8 most recent of 56 technical service bulletins on file with NHTSA.

20240129Component: SERVICE BRAKES

Parking brake is releasing on its own. I would press the clutch in when starting the car and as soon as i release or press down again it will release. Car is also in neutral when I am doing this so it

20240129Component: UNKNOWN OR OTHER

Parking brake is releasing on its own. I would press the clutch in when starting the car and as soon as i release or press down again it will release. Car is also in neutral when I am doing this so it

20240112Component: SERVICE BRAKES

Electronic parking brake will intermittently release unintentionally. Replication scenario is to set the parking brake, depress clutch pedal, put transmission in neutral, then release the clutch pedal

20231221Component: SERVICE BRAKES

When I start the car and put the transmission in neutral, the parking brake releases on its own. Depending where I am parked, the car will slowly roll. I usually just re engage the parking brake espec

20230414Component: SERVICE BRAKES

This vehicle (in particular the new manual transmission equipped one) has a system which automatically disengages the electronic parking brake when you try to drive away with it applied, and that syst

Showing the 5 most serious of 6 complaints filed with NHTSA.

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