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2021 Toyota Tundra Service and Repair Manual
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$53.99 USD
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Covers all 2021 Tundra trims — 1794 Edition, Limited, Nightshade +5 more ·
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2021 Toyota Tundra Service and Repair Manual
Regular price
$53.99 USD
Unit price
2021 Toyota Tundra 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
- 1794 Edition
- Limited, 4D Pickup Crew Cab
- Limited, 4D Pickup Extra Cab
- Nightshade, 4D Pickup Crew Cab
- Nightshade, 4D Pickup Extra Cab
- Platinum
- SR
- SR5, 4D Pickup Crew Cab
- SR5, 4D Pickup Extra Cab
- TRD Pro, 4D Pickup Crew Cab
- TRD Pro, 4D Pickup Extra Cab
- Trail
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
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain JTEKT power steering gear assembly service parts for 2007-2021 Tundra and 2008-2022 Sequoia, part numbers 44250-0C160, 44250-0C13
Consequence
An oil leak may cause a sudden loss of power steering assist, increasing the risk of a crash.
Remedy
Dealers will inspect and replace the power steering gear assembly, free of charge. Owner notificati
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2008-2022 Sequoia and 2007-2021 Tundra vehicles. The power steering gear assembly may have been manufactured incorrectly, which
Consequence
An oil leak may cause a sudden loss of power steering assist, increasing the risk of a crash.
Remedy
Dealers will inspect and replace the power steering gear assembly as necessary, free of charge. Own
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018-2021 Tundra vehicles. The headlight electrical circuits may power the high and low beams simultaneously, which could overhe
Consequence
An overheated electrical connector can increase the risk of a fire.
Remedy
Dealers will modify the engine wire harness assembly and replace any damaged bulb, bulb connector, a
OBSOLETE NOTICE January 30, 2026: This bulletin is now obsolete. Please see T-SB-0001-26.
Some 2018 2024 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software.
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
Some 2018 2024 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software. The SST is used with app
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 134 technical service bulletins on file with NHTSA.
Airbag , it was bad accident on freeway , but my car airbag did not work.car did not inspect with dealer , they were not any waring sign
Wayne drove the truck to work. It was an icy day in Texas so he drove slower than usual. He went to pick up a part (for work) from another shop, he arrived at the shop, turned off the truck and went
Wayne drove the truck to work. It was an icy day in Texas so he drove slower than usual. He went to pick up a part (for work) from another shop, he arrived at the shop, turned off the truck and went
Wayne drove the truck to work. It was an icy day in Texas so he drove slower than usual. He went to pick up a part (for work) from another shop, he arrived at the shop, turned off the truck and went
Were were driving, my 2021 Toyota Tundra, just stopped running. No check engine lights had come on until the engine stalled as we coasted to a stop on the side of the road. We had it towed to the Cent
Showing the 5 most serious of 30 complaints filed with NHTSA.
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