2019 Acura RLX Service and Repair Manual

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Factory-Grade Data

The 2019 Acura RLX 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
  • Sport Hybrid SH-AWD Sedan 4-Door

Engines covered

  • 3.5L 3471CC V6 GAS SOHC Naturally Aspirated
  • 3.5L 3471CC V6 FULL HYBRID EV-GAS (FHEV) SOHC 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

2019 Acura RLX Recalls & Complaints

NHTSA #20V31400028/05/2020Component: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

Honda (American Honda Motor Co.) is recalling certain 2018-2019 Acura NSX, 2019 Acura RDX, RLX and RLX Sport Hybrid, 2018-2019 Honda Accord, Civic Hatchback, Civic Type R and HR-V, 2019-2020 Insight a

Consequence

If the fuel pump fails, the engine can stall while driving, increasing the risk of a crash.

Remedy

Honda will notify owners and dealers will replace the fuel pump assembly, free of charge. The recal

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 #19V29800012/04/2019Component: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS

Honda (American Honda Motor Co.) is recalling certain 2018-2019 Acura MDX and Honda Pilot vehicles and 2019 Acura RLX, RLX Sport Hybrid, TLX and Honda Odyssey and Ridgeline vehicles. The timing belt

Consequence

Teeth separation from the timing belt may result in an engine stall, increasing the risk of crash.

Remedy

Honda will notify owners, and dealers will inspect the vehicle and replace any affected timing belt

TSB #11000147

Service News - Due to On-Board Diagnostic (OBD) regulation change starting with 2019 vehicles, American Hondas Variable Valve Timing and Lift Electronic Control (VTEC) On-Board Diagnostic monitors are now included in the EGR/VVT OBD Monitor

TSB #10241470

Warranty Extension - Under certain circumstances, abnormal noise may be heard from the rear when driving straight or making small side-to-side turning movements with the steering wheel. The P-AWS indicator or warning light may also illumina

TSB #10239512

Owner Notification Letter - Under certain circumstances, abnormal noise may be heard from the rear when driving straight or making small side-to-side turning movements with the steering wheel. The MIL may also illuminate with certain DTC co

TSB #10237815

Service Bulletin - Due to manufacturing errors, abnormal noise may be heard from the rear when driving straight or making small side-toside turning movements with the steering wheel. The MIL may also illuminate with DTC C1600-94 (PAWS unex

TSB #10237809

Dealer Message - Due to manufacturing errors, abnormal noise may be heard from the rear when driving straight or making small side-to-side turning movements with the steering wheel. The MIL may also illuminate with DTC C1600-94 (PAWS unexpe

TSB #10222445

Service Bulletin - (Repair Procedure Revision) Due to swelling of the fuel pump motor impeller, the fuel pump may seize and stop working. If this occurs, the engine may not start, or the engine could stall while driving, increasing the risk

TSB #10213569

American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RLXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fue

TSB #10180017

Service Bulletin - The timing belt area chirps after the engine warms up.

Showing the 8 most recent of 15 technical service bulletins on file with NHTSA.

No complaints filed No consumer complaints on file with NHTSA for the 2019 Acura RLX.
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