Technical Service Bulletins (TSBs) for the 2019 RLX are official communications between Acura & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.

    STEERING

    • TSB #ONL6R508212023

      Date Announced:
      AUG 21, 2023
      NHTSA ID:
      #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. Read More »

    • TSB #ONL6R507142023

      Date Announced:
      JUL 14, 2023
      NHTSA ID:
      #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. Read More »

    • TSB #BBOM06092023901

      Date Announced:
      JUN 09, 2023
      NHTSA ID:
      #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. Read More »

    • TSB #B23-022

      Date Announced:
      JUN 09, 2023
      NHTSA ID:
      #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. Read More »

    ENGINE AND ENGINE COOLING

    • TSB #BTI&05102022901

      Date Announced:
      MAY 10, 2022
      NHTSA ID:
      #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 ... Read More »

    • TSB #B14-025

      Date Announced:
      AUG 06, 2020
      NHTSA ID:
      #10178469

      Service Bulletin - The timing belt area makes a chirping noise after the engine warms up. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS

    • TSB #B14-025

      Date Announced:
      SEP 18, 2020
      NHTSA ID:
      #10180017

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

    FUEL SYSTEM, GASOLINE

    • TSB #B20-028

      Date Announced:
      SEP 30, 2022
      NHTSA ID:
      #10222445

      Service Bulletin - (Repair Procedure Revision) Due to swelling of the fuel pump motor impeller, the fuel pump may seize and stop working. Read More »

    • TSB #BTI&05102022901

      Date Announced:
      MAY 10, 2022
      NHTSA ID:
      #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 ... Read More »

    ELECTRICAL SYSTEM

    • TSB #ONL6R507142023

      Date Announced:
      JUL 14, 2023
      NHTSA ID:
      #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. Read More »

    • TSB #B20-009

      Date Announced:
      FEB 21, 2020
      NHTSA ID:
      #10171748

      Service Bulletin - There is a high-pitched sound from the speakers while on a Bluetooth HandsFreeLink (HFL) call. Read More »

    • TSB #B20-009

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10171548

      Service Bulletin - There is a high-pitched sound from the speakers while on a Bluetooth HandsFreeLink (HFL) call. Read More »

    • TSB #B20-009

      Date Announced:
      FEB 07, 2020
      NHTSA ID:
      #10171188

      Service Bulletin - There is a high-pitched sound from the speakers while on a Bluetooth HandsFreeLink (HFL) call. Read More »

    STRUCTURE

    • TSB #ONL6R507142023

      Date Announced:
      JUL 14, 2023
      NHTSA ID:
      #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. Read More »

    WHEELS

    • TSB #B17120C

      Date Announced:
      MAR 21, 2019
      NHTSA ID:
      #10155388

      ServiceNews Article - This article replaces "Don't Worry About the Brown Dust on the Wheels," posted in December 2017. On some arriving vehicles, are you seeing brown dust covering the wheels? Don't worry; it's completely normal. Read More »

    ELECTRONIC STABILITY CONTROL

    • TSB #B19050B

      Date Announced:
      MAY 16, 2019
      NHTSA ID:
      #10160873

      ServiceNews Article - When removing and installing a cable reel, you need to keep both the cable reel and the steering angle sensor in position. If you don't, the VSA indicator may come on along with one or more VSA DTCs. Read More »

    EQUIPMENT

    • TSB #ONL6R508212023

      Date Announced:
      AUG 21, 2023
      NHTSA ID:
      #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. Read More »

    • TSB #B98015

      Date Announced:
      MAR 18, 2016
      NHTSA ID:
      #10211608

      Special Tool Loan Program: Under TOOLS AVAILABLE FOR LOAN, the list has been updated. Read More »