2021 Acura TLX Service and Repair Manual

4.7 · Trusted by 14,000+ mechanics & DIYers
Regular price $49.99 USD
  • Lightning-Fast Downloads
    Optimized files — even slow connections handle it
  • Instant Search & Navigation
    Jump to any procedure or spec with one click
  • Print One or All Pages
    Bring only the pages you need to the shop
  • Covers Every System & Component
    Every procedure for the 2021 Acura TLX
Sample Preview

Unlock the Full Manual

Complete repair procedures
Wiring diagrams & schematics
Torque specifications
Full search & bookmarks
$49.99
Buy 2+ Manuals, Save 20% Discount applied automatically at checkout
20% OFF
Secure Checkout
No Subscriptions
Factory-Grade Data

The 2021 Acura TLX service and repair manual is a practical, OEM-style reference for maintenance, diagnostics, and repair work. You’ll get step-by-step procedures, specifications, torque values, diagrams, and system information to help you troubleshoot accurately and finish jobs faster.

Ideal for professional technicians and DIY owners, this manual covers core vehicle systems including engine, brakes, steering, suspension, HVAC, and wiring diagrams. Instant digital access after purchase.

Trims covered

  • Base Sedan 4-Door
  • SH-AWD Sedan 4-Door
  • Type S Sedan 4-Door
  • Advance Sedan 4-Door

Engines covered

  • 2.0L 1996CC 122Cu. In. l4 GAS DOHC Turbocharged
  • 3.0L 2997CC V6 GAS DOHC Turbocharged

Index / Table of contents

  • Body
  • Body Repair
  • Body Repair Basic
  • Brakes
  • Control System DTCs
  • Driving Support & Restraints
  • Engine
  • HVAC
  • Network Communication
  • Paint Repair Basic
  • Steering
  • Suspension
  • Symptom
  • Trans/Driveline
  • Vehicle General Information
  • Wiring Diagrams

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Bancontact
  • Google Pay
  • Maestro
  • Mastercard
  • PayPal
  • Union Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Vehicle Safety Data

2021 Acura TLX Recalls & Complaints

NHTSA #24V06400001/02/2024Component: AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:FRONT PASSENGER

Honda (American Honda Motor Co.) is recalling certain 2020-2022 Pilot, Accord, Civic sedan, HR-V, Odyssey, 2020 Civic coupe, Fit, 2021-2022 Civic hatchback, 2021 Civic Type R, Insight, 2020-2021 CR-V,

Consequence

An air bag that deploys unintentionally during a crash can increase the risk of injury.

Remedy

Dealers will replace the seat weight sensors, free of charge. Owner notification letters were maile

TSB #11023273

Service Bulletin - Oil leak at the cam chain tensioner inspection cover due to and insufficient sealant adhesion on the inspection cover.

TSB #11017032

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2022- 2024 MDXs & 2021-2025 TLXs with a client complaint of a loose or detached rearview mirror bracket. To better understand the cause of this condition, AHM wo

TSB #11014327

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2023 TLX ADVs and 2021-2025 TLX Type Ss with a client complaint of the Adaptive Damper System Problem (ADS) error message on the MID (Multi Information Disp

TSB #11013338

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2023 TLX ADVs and 2021-2025 TLX Type Ss with a client complaint of the Adaptive Damper System Problem (ADS) error message on the MID (Multi Information Disp

TSB #11013127

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2023 TLX ADVs and 2021-2025 TLX Type Ss with a client complaint of the Adaptive Damper System Problem (ADS) error message on the MID (Multi Information Disp

TSB #11013111

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2023 TLX ADVs and 2021-2025 TLX Type Ss with a client complaint of the Adaptive Damper System Problem (ADS) error message on the MID (Multi Information Disp

TSB #11012816

Service Bulletin - A coaxial cable terminal was not manufactured to proper specifications. An improperly manufactured terminal may lead to poor communication in the media-oriented system (MOST) bus network which can potentially affect the a

TSB #11011797

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2023 TLX ADVs and 2021-2025 TLX Type Ss with a client complaint of the Adaptive Damper System Problem (ADS) error message on the MID (Multi Information Disp

Showing the 8 most recent of 112 technical service bulletins on file with NHTSA.

20250610Component: AIR BAGSCrash reported1 injured

The contact owned a 2021 Acura TLX. The contact received a notification of NHTSA Campaign Number: 24V064000 (Air Bags) however, the part to do the recall repair was not yet available. The contact stat

20220819Component: LANE DEPARTURE: WARNINGCrash reported1 injured

While traveling on a narrow road and a narrow bridge, the lane departure system caused the car to veer left into another car. The road had no dividing lane marker. The car was totaled and my wife inj

20230107Component: FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKINGCrash reported

My wife and I were on the first day of vacation, driving from Virginia to FL by way of SC. Around 1pm I was driving the car on interstate 20 West in South Carolina near Bishopville. There were no cars

20230107Component: FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROLCrash reported

My wife and I were on the first day of vacation, driving from Virginia to FL by way of SC. Around 1pm I was driving the car on interstate 20 West in South Carolina near Bishopville. There were no cars

20240320Component: AIR BAGS1 injured

How Acura Lost my Business The fact that no one from Acura will take responsibility for the ongoing issues has reaffirmed that my long-term commitment to owning Acura’s is over. Honda will only c

Showing the 5 most serious of 82 complaints filed with NHTSA.

All Model Years

Other Years of the Acura TLX

Need a manual for a different year? Browse every Acura TLX we cover.

Explore More

More Acura Models

Browse service and repair manuals for other Acura models in our catalog.