2023 Acura TLX Service and Repair Manual

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Covers all 2023 TLX trims — Base Sedan 4-Door, Type S PMC Edition Sedan 4-Door, SH-AWD Sedan 4-Door +2 more ·
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The 2023 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
  • Type S PMC Edition 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
NHTSA #24V95000019/12/2024Component: FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY

Acura (American Honda Motor Co.) is recalling certain 2021-2023 TLX vehicles. The fuel filler neck and fuel tank may have been improperly welded, which can result in a fuel leak.

Consequence

A fuel leak in the presence of an ignition source increases the risk of a fire.

Remedy

Dealers will replace the fuel tank assembly, free of charge. Owner notification letters were mailed

NHTSA #25V39100012/06/2025Component: SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES

Honda (American Honda Motor Co.) is recalling certain 2021-2025 Acura TLX, 2023-2025 Acura MDX, and 2023-2025 Honda Pilot vehicles. The brake pedal pivot pin was not secured properly, which can cause

Consequence

A brake pedal that shifts out of position can prevent the driver from applying the brakes as intende

Remedy

Dealers will inspect and replace the brake pedal assembly as necessary, free of charge. Owner notifi

TSB #11033179

Over The Air Update - Vehicles equipped with the System Updates application are capable of downloading and installing Over the Air System Updates. System Updates contain upgrades that fix a variety of operational errors and/or enhancements

TSB #11023273

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

TSB #11018017

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2023 RDXs and TLXs with a client complaint of the "Emissions System Warning" Malfunction Indicator Light (MIL) on with DTC P2101 (Electronic Throttle Control Sys

TSB #11017328

Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2023 RDXs and TLXs with a client complaint of the "Emissions System Warning" Malfunction Indicator Light (MIL) on with DTC P2101 (Electronic Throttle Control Sys

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

Showing the 8 most recent of 39 technical service bulletins on file with NHTSA.

20260121Component: UNKNOWN OR OTHER

Purchased a 2023 TLX Aspec with Telecommunication package from Carvana. When I as unable to connect my device to the vehicle, I took it to my local Acura dealer per the limited warranty instructions.

20251114Component: ELECTRICAL SYSTEM

Car’s advertised anti-theft features are faulty. They have two tracking features with also both failed. When I contacted Acura they said this was a known issue and highly prevalent in NY, DC, FL, MD

20251104Component: SEAT BELTS

If you don't turn the car off and you drop a passenger off from the front seat the seatbelt not fastened alarm will go off until you fasten it or turn the car off then restart the car to clear the ala

20250908Component: UNKNOWN OR OTHER

Car was stolen unreasonably easily. Car alarm did not sound, Acuralink tracking was immediately disabled. Car started and drove away despite keys being secured in a faraday box. Acura has a fatal desi

20250723Component: SERVICE BRAKES

ALL FOUR BRAKE ROTORS ARE BENT ON 30K MILES

Showing the 5 most serious of 10 complaints filed with NHTSA.

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