Does the 2021 Toyota Avalon have any recalls?

The 2021 Toyota Avalon has 1 recall on file with NHTSA, including issues with air bags:sensor:occupant classification.

How many complaints have been filed for the 2021 Toyota Avalon?

29 consumer complaints have been filed with NHTSA for the 2021 Toyota Avalon.

Are there technical service bulletins (TSBs) for the 2021 Toyota Avalon?

There are 169 technical service bulletins (TSBs) on file with NHTSA for the 2021 Toyota Avalon.

2021 Toyota Avalon Service and Repair Manual

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Factory-Grade Data

2021 Toyota Avalon 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 Limited
Hybrid XLE
Hybrid XSE
Limited
TRD
Touring
XLE
XSE Nightshade

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

Payment & Security

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Vehicle Safety Data

2021 Toyota Avalon Recalls & Complaints

NHTSA #23V86500020/12/2023Component: AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION

Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2020-2021 Avalon, Avalon Hybrid, Corolla, Highlander, Highlander Hybrid, RAV4, RAV4 Hybrid, Lexus ES350, Lexus RX350, Lexus RX450

Consequence

An air bag that does not deploy during a crash increases the risk of injury.

Remedy

Dealers will inspect and replace the sensor as necessary, free of charge. Interim letters notifying

TSB #11029896

OBSOLETE NOTICE February 27, 2026: This bulletin is no longer applicable and is now obsolete.

TSB #11028726

OBSOLETE NOTICE January 30, 2026: This bulletin is now obsolete. Please see T-SB-0001-26.

TSB #11028722

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.

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 #11022949

The specific condition covered by this program is for a small engine coolant leak that can occur from the flow shut-off valve that can allow coolant to drip on other parts of the vehicle. This can cause "Engine Maintenance Required" to be d

TSB #11020670

Some 2021 2022 model year Avalon, 2018 2024 Camry, 2019 2025 model year Corolla, 2022 2025 model year Corolla Cross, and 2019 2025 model year RAV4 vehicles with A25A-FKS and M20A-FKS engines may have a MIL ON condition with one or more of t

TSB #11020668

Some 2018 2021 model year Toyota vehicles equipped with an A25A-FKS, A25A-FXS, or M20A-FKS engine may exhibit a condition in which an Engine Maintenance Required message is displayed in the Multi-Information Display (MID). Additionally, the

TSB #11020657

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

Showing the 8 most recent of 169 technical service bulletins on file with NHTSA.

20220315Component: ENGINECrash reported

The contact owns a 2021 Toyota Avalon HV. The contact stated that while driving, all the instrument control panel lights were illuminated. The vehicle was taken to the local dealer eight or nine times

20220315Component: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANELCrash reported

20260409Component: AIR BAGS

We have received a recall for the sensors and airbag on our car back in December of 2023. Every time we call the dealership they tell us they can't get a send because the parts are not available. I ca

20251114Component: AIR BAGS

The contact owns a 2021 Toyota Avalon. The contact received notification of NHTSA Campaign Number: 23V865000 (AIR BAGS); however, the part to do the recall repair was not yet available. The contact st

20250805Component: AIR BAGS

There is no remedy available to fix the OCS sensor in front passenger seat of our 2021 Toyota Avalon. We are scared to drive it. What are our options since Toyota will not help.

Showing the 5 most serious of 29 complaints filed with NHTSA.

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