OBSOLETE NOTICE January 30, 2026: This bulletin is now obsolete. Please see T-SB-0001-26.
2021 Toyota Tacoma Service and Repair Manual
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Covers Every System & ComponentEvery procedure for the 2021 Toyota Tacoma
2021 Toyota Tacoma 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
- Limited
- Nightshade
- SR, 4D Pickup Crew Cab
- SR, 4D Pickup Extra Cab
- SR5, 4D Pickup Crew Cab
- SR5, 4D Pickup Extra Cab
- TRD Off-Road, 4D Pickup Crew Cab, Automatic Trans
- TRD Off-Road, 4D Pickup Crew Cab, Standard Trans
- TRD Off-Road, 4D Pickup Crew Cab
- TRD Off-Road, 4D Pickup Extra Cab
- TRD Pro, Automatic Trans
- TRD Pro, Standard Trans
- TRD Sport, 4D Pickup Crew Cab, Automatic Trans
- TRD Sport, 4D Pickup Crew Cab, Standard Trans
- TRD Sport, 4D Pickup Crew Cab
- TRD Sport, 4D Pickup Extra Cab, Automatic Trans
- TRD Sport, 4D Pickup Extra Cab, Standard Trans
- TRD Sport, 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
Payment & Security
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2021 Toyota Tacoma Recalls & Complaints
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
Toyota has received some reports of paint peeling along the exterior door window frames, front inner fenders as can been seen with the hood open, and on the A-pillars on certain Tacoma vehicles with 040 Super White paint color. Although the
Customer Support Program 23TE08 Paint Repair Process Job Aid
TECHNICAL INSTRUCTIONS FOR CUSTOMER SUPPORT PROGRAM 23TE08 COVERAGE FOR PAINT PEELING ON EXTERIOR DOOR FRAMES, FRONT INNER FENDERS AND A-PILLARS CERTAIN 2016-2022 MODEL YEAR TACOMA
Toyota has received some reports of paint peeling along the exterior door window frames, front inner fenders as can been seen with the hood open, and on the A-pillars on certain Tacoma vehicles with 040 Super White paint color. Although the
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
Showing the 8 most recent of 165 technical service bulletins on file with NHTSA.
I was in a severe T-none car accident and the airbags did not deploy. The power restrain activated, the seat locked in place but no airbag deployment. The car that hit me was going at aprox. 50-60MPH.
I was rear ended in my Tacoma and then hit at about 30-35mph in the front driver side. No air bags deployed anywhere in the vehicle and the driver head rest that was fully installed went flying out of
TL* THE CONTACT OWNS A 2021 TOYOTA TAKOMA. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 35-40 MPH WHEN COMING TO A RED LIGHT APPROXIMATELY 500 YARDS AWAY, THE CONTACT BEGAN TO SLOW DOWN IN SPEE
TL* THE CONTACT OWNS A 2021 TOYOTA TAKOMA. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 35-40 MPH WHEN COMING TO A RED LIGHT APPROXIMATELY 500 YARDS AWAY, THE CONTACT BEGAN TO SLOW DOWN IN SPEE
The subject vehicle left roadway and impacted a tree in a pure frontal impact. The front seat passenger airbag failed to deploy. An 11 year old child was seated and properly belted in the front passe
Showing the 5 most serious of 107 complaints filed with NHTSA.
Other Years of the Toyota Tacoma
Need a manual for a different year? Browse every Toyota Tacoma we cover.

2025
Toyota Tacoma
$53.99

2024
Toyota Tacoma
$53.99

2023
Toyota Tacoma
$53.99

2022
Toyota Tacoma
$53.99

2020
Toyota Tacoma
$53.99

2019
Toyota Tacoma
$53.99

2018
Toyota Tacoma
$53.99

2017
Toyota Tacoma
$34.99

2016
Toyota Tacoma
$34.99

2015
Toyota Tacoma
$34.99

2014
Toyota Tacoma
$34.99

2013
Toyota Tacoma
$34.99
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