2018 Acura TLX Service and Repair Manual

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Factory-Grade Data

The 2018 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

  • A-Spec Sedan 4-Door
  • Base Sedan 4-Door
  • SH-AWD Sedan 4-Door
  • Advance Sedan 4-Door

Engines covered

  • 3.5L 3471CC V6 GAS SOHC Naturally Aspirated
  • 2.4L 2356CC 144Cu. In. l4 GAS DOHC Naturally Aspirated

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

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Vehicle Safety Data

2018 Acura TLX Recalls & Complaints

NHTSA #23V85800018/12/2023Component: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

Honda (American Honda Motor Co.) is recalling certain 2013-2023 Honda Accord, Civic Coupe, Civic Sedan, Civic Hatchback, Civic Type R, CR-V, HR-V, Ridgeline, Odyssey, Acura ILX, MDX, MDX Hybrid, RDX,

Consequence

Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.

Remedy

Dealers will replace the fuel pump module, free of charge. Owner letters were mailed September 6, 2

NHTSA #23V75100013/11/2023Component: ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL

Honda (American Honda Motor Co.) is recalling certain 2015-2020 Acura TLX, 2016-2020 Acura MDX, 2016 and 2018-2019 Pilot, 2017 and 2019 Ridgeline, and 2018-2019 Odyssey vehicles. Due to a manufacturi

Consequence

A damaged engine may run improperly or stall while driving, increasing the risk of a fire, crash, or

Remedy

Dealers will inspect and repair, or replace the engine as necessary, free of charge. Owner letters

TSB #11020583

Service Bulletin - Under certain circumstances, after coming to a stop and engaging idle stop the vehicle may not restart automatically due to excessive cylinder pressure and/or low cranking torque. Typically, the client can immediately res

TSB #11015014

Service Bulletin - The AWD warning light is on with one or more AWD DTCs having been set due to water intrusion into the electric oil pump motor connector area corrodes the terminals.

TSB #11011046

Service Bulletin - The AWD warning light is on potentially due to water intrusion into the rear differential pump motor connector area that corrodes the terminals.

TSB #10248978

Service Bulletin - The MIL comes on during vehicle operation due to variations in the purge control solenoid valve spring, the valve wears unevenly and intermittently sticks. This may result in setting DTC P0441 (Evaporative Emission (EVAP)

TSB #10247626

Service Bulletin - Due to variations in the purge control solenoid valve spring, the valve wears unevenly and intermittently sticks. This may result in setting DTC P0441 (Evaporative Emission (EVAP) System Purge Flow Malfunction).

TSB #10239111

Owner Notification Letter - Under certain circumstances, after coming to a stop and the idle stop feature engages, the vehicle may not automatically restart. Acura is providing a product update with new PGM-FI software update to fix this is

TSB #10235126

Service Bulletin - The engine will not crank on the initial startup attempt after the vehicle has been exposed to precipitation and then freezing temperatures. Water can enter the starter motor. In cold temperatures the water can freeze, pr

TSB #10215500

"Customer letter - Under certain circumstances, after coming to a stop and the idle stop feature engages, the vehicle may not automatically restart. Acura is providing a product update with new PGM-FI software update to fix this issue. In a

Showing the 8 most recent of 90 technical service bulletins on file with NHTSA.

20240806Component: POWER TRAINCrash reported1 injured

The contact owns a 2018 Acura TLX. The contact stated that after refueling and attempting to park in a parking space, the vehicle experienced a sudden acceleration. The contact mentioned that no safet

20240806Component: VEHICLE SPEED CONTROLCrash reported1 injured

The contact owns a 2018 Acura TLX. The contact stated that after refueling and attempting to park in a parking space, the vehicle experienced a sudden acceleration. The contact mentioned that no safet

20220301Component: AIR BAGSCrash reported1 injured

My car slid off of the road during a blizzard and hit a tree head on. My front end had smashed in and the car was totaled. The airbags did not deploy and the police who arrived on the scene believed t

20210602Component: LATCHES/LOCKS/LINKAGES:HOOD:LATCHCrash reported

On June 1, 2021 at about 9 p.m. the hood popped up, then the truck latch, the speedometer was reading a different speed than the cruise control without any interference, and the bluetooth and entertai

20250714Component: FIRERELATEDFire reported

The contact owned a 2018 Acura TLX. The contact stated that the vehicle caught on fire while parked in the driveway. The origin of the fire was unknown. The vehicle was unoccupied during the fire. The

Showing the 5 most serious of 144 complaints filed with NHTSA.

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