Technical Service Bulletins (TSBs) for the 2021 ILX 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.

    SUSPENSION

    • TSB #BTI&01222022901

      Date Announced:
      JAN 22, 2022
      NHTSA ID:
      #10206805

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs & 2022 MDXs with a client complaint of front suspension/damper noise. Noise can be described as knock, clunk, rattle, thump or creak. Read More »

    • TSB #BTI&01032022907

      Date Announced:
      JAN 03, 2022
      NHTSA ID:
      #10206453

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs & 2022 MDXs with a client complaint of front suspension/damper noise. Noise can be described as knock, clunk, rattle, thump or creak. Read More »

    • TSB #BTI&12142021

      Date Announced:
      DEC 14, 2021
      NHTSA ID:
      #10205466

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs & 2022 MDXs with a client complaint of front suspension/damper noise. Noise can be described as knock, clunk, rattle, thump or creak. Read More »

    • TSB #BTI&11292021906

      Date Announced:
      NOV 29, 2021
      NHTSA ID:
      #10203814

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs & 2022 MDXs with a client complaint of front suspension/damper noise. Noise can be described as knock, clunk, rattle, thump or creak. Read More »

    • TSB #BTI&10252021

      Date Announced:
      OCT 25, 2021
      NHTSA ID:
      #10202911

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs & 2022 MDXs with a client complaint of front suspension/damper noise. Noise can be described as knock, clunk, rattle, thump or creak. Read More »

    • TSB #BTI&10132021903

      Date Announced:
      OCT 13, 2021
      NHTSA ID:
      #10202330

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs, 2022 MDXs & 2017-2018 RDXs with a client complaint of front suspension/damper noise. Read More »

    • TSB #BPaS10052021

      Date Announced:
      OCT 05, 2021
      NHTSA ID:
      #10202289

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs, 2022 MDXs & 2017-2018 RDXs with a client complaint of front suspension/damper noise. Read More »

    • TSB #BPaS09072021901

      Date Announced:
      SEP 07, 2021
      NHTSA ID:
      #10201456

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs, 2022 MDXs & 2017-2018 RDXs with a client complaint of front suspension/damper noise. Read More »

    • TSB #BPaS08192021901

      Date Announced:
      AUG 19, 2021
      NHTSA ID:
      #10200542

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs, 2022 MDXs & 2017-2018 RDXs with a client complaint of front suspension/damper noise. Read More »

    • TSB #BTI&07282021902

      Date Announced:
      JUL 28, 2021
      NHTSA ID:
      #10199758

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs with a client complaint of a clunk or rattle noise coming from the front suspension. Read More »

    • TSB #BTI&07072021901

      Date Announced:
      JUL 07, 2021
      NHTSA ID:
      #10199332

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs with a client complaint of a clunk or rattle noise coming from the front suspension. Read More »

    • TSB #BTI&06012021905

      Date Announced:
      JUN 01, 2021
      NHTSA ID:
      #10196902

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2021 ILXs with a client complaint of rattle, clunk or other noise coming from the front suspension. Read More »

    • TSB #BPaS05102021902

      Date Announced:
      MAY 10, 2021
      NHTSA ID:
      #10194458

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2021 ILXs with a client complaint of rattle, clunk or other noise coming from the front suspension. Read More »

    • TSB #BPaS04192021

      Date Announced:
      APR 19, 2021
      NHTSA ID:
      #10190989

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2021 ILXs with a client complaint of rattle, clunk or other noise coming from the front suspension. Read More »

    • TSB #BPaS04082021

      Date Announced:
      APR 08, 2021
      NHTSA ID:
      #10190299

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2021 ILXs with a client complaint of rattle, clunk or other noise coming from the front suspension. Read More »

    ELECTRICAL SYSTEM

    • TSB #BTI&11162021906

      Date Announced:
      NOV 16, 2021
      NHTSA ID:
      #10203639

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for 2019-2022 ILXs, 2022 MDXs, 2021-2022 RDXs & TLXs with a client complaint of the Tire Pressure Monitoring System (TPMS) light on due to a faulty sensor with a client ... Read More »

    • TSB #B21-011

      Date Announced:
      AUG 06, 2021
      NHTSA ID:
      #10200366

      Service Bulletin - The MIL comes on with DTC U0155 (Lost Communication with Gauge Control Module). Read More »

    • TSB #B21-011

      Date Announced:
      MAR 26, 2021
      NHTSA ID:
      #10189906

      Service Bulletin - The MIL comes on with DTC U0155 (Lost Communication with Gauge Control Module). Read More »

    EXTERIOR LIGHTING

    • TSB #B23-012

      Date Announced:
      AUG 24, 2023
      NHTSA ID:
      #10241471

      Service Bulletin - Vehicle owner notices condensation or moisture trapped inside one or both headlight assemblies that does not evaporate from the lamp due to the headlight making contact with a body panel creating a separation in the ... Read More »

    • TSB #B23-012

      Date Announced:
      JUN 09, 2023
      NHTSA ID:
      #10237814

      Service Bulletin - The headlight making contact with a body panel can create a separation in the adhesive between the headlight lens and the housing, allowing moisture to enter the headlight. Read More »

    • TSB #BTI&12062022

      Date Announced:
      DEC 06, 2022
      NHTSA ID:
      #10227779

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2022 ILXs with a client complaint of moisture/condensation in the headlights. Read More »

    • TSB #BTI&11282022909

      Date Announced:
      NOV 28, 2022
      NHTSA ID:
      #10227244

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2022 ILXs with a client complaint of moisture/condensation in the headlights. Read More »

    • TSB #BTI&11122022908

      Date Announced:
      NOV 12, 2022
      NHTSA ID:
      #10226211

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2022 ILXs with a client complaint of moisture/condensation in the headlights. Read More »

    EXTERIOR LIGHTING:HEADLIGHTS

    • TSB #B23-012

      Date Announced:
      AUG 24, 2023
      NHTSA ID:
      #10241471

      Service Bulletin - Vehicle owner notices condensation or moisture trapped inside one or both headlight assemblies that does not evaporate from the lamp due to the headlight making contact with a body panel creating a separation in the ... Read More »

    • TSB #BTI&11282022909

      Date Announced:
      NOV 28, 2022
      NHTSA ID:
      #10227244

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2022 ILXs with a client complaint of moisture/condensation in the headlights. Read More »

    AIR BAGS

    • TSB #B21100A

      Date Announced:
      NOV 11, 2021
      NHTSA ID:
      #10203504

      ServiceNews Article - There are several possible causes for the SRS DTC U3000-49 (Internal Failure of the SRS Unit) to be stored. Read More »

    STRUCTURE

    • TSB #B23-012

      Date Announced:
      JUN 09, 2023
      NHTSA ID:
      #10237814

      Service Bulletin - The headlight making contact with a body panel can create a separation in the adhesive between the headlight lens and the housing, allowing moisture to enter the headlight. Read More »

    TIRES

    • TSB #BTI&02222022905

      Date Announced:
      FEB 22, 2022
      NHTSA ID:
      #10208410

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for 2019-2022 ILXs, 2022 MDXs, 2021-2022 RDXs & TLXs with a client complaint of the Tire Pressure Monitoring System (TPMS) light on due to a faulty sensor with a client ... Read More »

    • TSB #BTI&10072021

      Date Announced:
      OCT 07, 2021
      NHTSA ID:
      #10202296

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for 2019-2022 ILXs, 2022 MDXs, 2021 RDXs and 2021-2022 TLXs with a client complaint of the Tire Pressure Monitoring System (TPMS) light on due to a faulty sensor. Read More »

    TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS

    • TSB #BTI&02222022905

      Date Announced:
      FEB 22, 2022
      NHTSA ID:
      #10208410

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for 2019-2022 ILXs, 2022 MDXs, 2021-2022 RDXs & TLXs with a client complaint of the Tire Pressure Monitoring System (TPMS) light on due to a faulty sensor with a client ... Read More »

    • TSB #BTI&02172022902

      Date Announced:
      FEB 17, 2022
      NHTSA ID:
      #10208214

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for 2019-2022 ILXs, 2022 MDXs, 2021-2022 RDXs & TLXs with a client complaint of the Tire Pressure Monitoring System (TPMS) light on due to a faulty sensor with a client ... Read More »

    • TSB #BTI&02032022902

      Date Announced:
      FEB 03, 2022
      NHTSA ID:
      #10207786

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for 2019-2022 ILXs, 2022 MDXs, 2021-2022 RDXs & TLXs with a client complaint of the Tire Pressure Monitoring System (TPMS) light on due to a faulty sensor with a client ... Read More »

    • TSB #BTI&01192022905

      Date Announced:
      JAN 19, 2022
      NHTSA ID:
      #10206798

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for 2019-2022 ILXs, 2022 MDXs, 2021-2022 RDXs & TLXs with a client complaint of the Tire Pressure Monitoring System (TPMS) light on due to a faulty sensor with a client ... Read More »

    • TSB #BTI&11292021907

      Date Announced:
      NOV 29, 2021
      NHTSA ID:
      #10203815

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for 2019-2022 ILXs, 2022 MDXs, 2021-2022 RDXs & TLXs with a client complaint of the Tire Pressure Monitoring System (TPMS) light on due to a faulty sensor with a client ... Read More »

    • TSB #BTI&11162021906

      Date Announced:
      NOV 16, 2021
      NHTSA ID:
      #10203639

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for 2019-2022 ILXs, 2022 MDXs, 2021-2022 RDXs & TLXs with a client complaint of the Tire Pressure Monitoring System (TPMS) light on due to a faulty sensor with a client ... Read More »

    • TSB #BTI&11032021

      Date Announced:
      NOV 03, 2021
      NHTSA ID:
      #10203449

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for 2019-2022 ILXs, 2022 MDXs, 2021-2022 RDXs & TLXs with a client complaint of the Tire Pressure Monitoring System (TPMS) light on due to a faulty sensor with a client ... Read More »

    • TSB #BTI&10072021

      Date Announced:
      OCT 07, 2021
      NHTSA ID:
      #10202296

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for 2019-2022 ILXs, 2022 MDXs, 2021 RDXs and 2021-2022 TLXs with a client complaint of the Tire Pressure Monitoring System (TPMS) light on due to a faulty sensor. Read More »

    WHEELS

    • TSB #BTI&02222022905

      Date Announced:
      FEB 22, 2022
      NHTSA ID:
      #10208410

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for 2019-2022 ILXs, 2022 MDXs, 2021-2022 RDXs & TLXs with a client complaint of the Tire Pressure Monitoring System (TPMS) light on due to a faulty sensor with a client ... Read More »

    • TSB #BTI&01032022905

      Date Announced:
      JAN 03, 2022
      NHTSA ID:
      #10206451

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for 2019-2022 ILXs, 2022 MDXs, 2021-2022 RDXs & TLXs with a client complaint of the Tire Pressure Monitoring System (TPMS) light on due to a faulty sensor with a client ... Read More »

    • TSB #BTI&12152021901

      Date Announced:
      DEC 15, 2021
      NHTSA ID:
      #10205467

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for 2019-2022 ILXs, 2022 MDXs, 2021-2022 RDXs & TLXs with a client complaint of the Tire Pressure Monitoring System (TPMS) light on due to a faulty sensor with a client ... Read More »

    • TSB #BTI&11292021907

      Date Announced:
      NOV 29, 2021
      NHTSA ID:
      #10203815

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for 2019-2022 ILXs, 2022 MDXs, 2021-2022 RDXs & TLXs with a client complaint of the Tire Pressure Monitoring System (TPMS) light on due to a faulty sensor with a client ... Read More »

    • TSB #BTI&10292021

      Date Announced:
      OCT 29, 2021
      NHTSA ID:
      #10202917

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for 2019-2022 ILXs, 2022 MDXs, 2021 RDXs and 2021-2022 TLXs with a client complaint of the Tire Pressure Monitoring System (TPMS) light on due to a faulty sensor. Read More »

    SEATS

    • TSB #B21100A

      Date Announced:
      NOV 11, 2021
      NHTSA ID:
      #10203504

      ServiceNews Article - There are several possible causes for the SRS DTC U3000-49 (Internal Failure of the SRS Unit) to be stored. Read More »

    EQUIPMENT

    • TSB #BTI&01192022905

      Date Announced:
      JAN 19, 2022
      NHTSA ID:
      #10206798

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for 2019-2022 ILXs, 2022 MDXs, 2021-2022 RDXs & TLXs with a client complaint of the Tire Pressure Monitoring System (TPMS) light on due to a faulty sensor with a client ... Read More »

    • TSB #BTI&11162021906

      Date Announced:
      NOV 16, 2021
      NHTSA ID:
      #10203639

      Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for 2019-2022 ILXs, 2022 MDXs, 2021-2022 RDXs & TLXs with a client complaint of the Tire Pressure Monitoring System (TPMS) light on due to a faulty sensor with a client ... 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 »