Please note: The TSB information displayed below are summaries. We do not have access to the full versions. To get full information about a particular TSB, write down the TSB title & date, & either contact your local dealer or click on the links below.

The TSB numbers are the NHTSA numbers, which are different from the manufacturer-assigned TSB numbers — the NHTSA doesn't keep track of those. It's a very screwed up situation that's almost completely unhelpful to you as the consumer. Use the issue date or the title when asking your dealer for more information about a TSB.

    ENGINE AND ENGINE COOLING

    • TSB #BPaS01022019906

      NHTSA ID #10152738

      • Date Announced: JANUARY 02 2019
      • Additional Info: How to Fix

      Summary: Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2019 TLXs with a client complaint of the Malfunction Indicator Lamp (MIL) on with DTC P0420 (Rear Bank Catalyst System Efficiency Below Threshold [Bank 2])

      More Information »

    • TSB #BPaS11272018901

      NHTSA ID #10150286

      • Date Announced: NOVEMBER 27 2018
      • Additional Info: How to Fix

      Summary: Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2019 TLXs with a client complaint of the Malfunction Indicator Lamp (MIL) on with DTC P0420 (Rear Bank Catalyst System Efficiency Below Threshold [Bank 2])

      More Information »

    • TSB #BPaS11262018905

      NHTSA ID #10150284

      • Date Announced: NOVEMBER 26 2018
      • Additional Info: How to Fix

      Summary: Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2019 TLXs with a client complaint of the Malfunction Indicator Lamp (MIL) on with DTC P0420 (Rear Bank Catalyst System Efficiency Below Threshold [Bank 2])

      More Information »

    • TSB #BPaS11052018904

      NHTSA ID #10149656

      • Date Announced: NOVEMBER 05 2018
      • Additional Info: How to Fix

      Summary: Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2019 TLXs with a client complaint of the Malfunction Indicator Lamp (MIL) on with DTC P0420 (Rear Bank Catalyst System Efficiency Below Threshold [Bank 2])

      More Information »

    • TSB #BPaS10172018906

      NHTSA ID #10146080

      • Date Announced: OCTOBER 17 2018
      • Additional Info: How to Fix

      Summary: Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2019 TLXs with a client complaint of the Malfunction Indicator Lamp (MIL) on with DTC P0420 (Rear Bank Catalyst System Efficiency Below Threshold [Bank 2])

      More Information »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

    • TSB #BPaS01022019906

      NHTSA ID #10152738

      • Date Announced: JANUARY 02 2019
      • Additional Info: How to Fix

      Summary: Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2019 TLXs with a client complaint of the Malfunction Indicator Lamp (MIL) on with DTC P0420 (Rear Bank Catalyst System Efficiency Below Threshold [Bank 2])

      More Information »

    • TSB #BPaS11272018901

      NHTSA ID #10150286

      • Date Announced: NOVEMBER 27 2018
      • Additional Info: How to Fix

      Summary: Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2019 TLXs with a client complaint of the Malfunction Indicator Lamp (MIL) on with DTC P0420 (Rear Bank Catalyst System Efficiency Below Threshold [Bank 2])

      More Information »

    • TSB #BPaS11262018905

      NHTSA ID #10150284

      • Date Announced: NOVEMBER 26 2018
      • Additional Info: How to Fix

      Summary: Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2019 TLXs with a client complaint of the Malfunction Indicator Lamp (MIL) on with DTC P0420 (Rear Bank Catalyst System Efficiency Below Threshold [Bank 2])

      More Information »

    POWER TRAIN

    • TSB #B19-005

      NHTSA ID #10154478

      • Date Announced: MARCH 07 2019
      • Additional Info: How to Fix

      Summary: "Service Bulletin - The vehicle may exhibit several of the following symptoms: - Multiple indicators are on. - No communication with the i-HDS. - The option fuse (7.5 A) is blown. - MDX: Fuse E21 - TLX: Fuse B7 - MDX: It is hard to sh

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    • TSB #B15-039

      NHTSA ID #10145396

      • Date Announced: SEPTEMBER 18 2018
      • Additional Info: How to Fix

      Summary: Service bulletin - The transmission end cover leaks on vehicles with 9-speed A/T. During assembly, the transmission end cover sealing gasket gets torn.

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    ELECTRICAL SYSTEM

    • TSB #B19-005

      NHTSA ID #10154478

      • Date Announced: MARCH 07 2019
      • Additional Info: How to Fix

      Summary: "Service Bulletin - The vehicle may exhibit several of the following symptoms: - Multiple indicators are on. - No communication with the i-HDS. - The option fuse (7.5 A) is blown. - MDX: Fuse E21 - TLX: Fuse B7 - MDX: It is hard to sh

      More Information »

    • TSB #BPaS10172018906

      NHTSA ID #10146080

      • Date Announced: OCTOBER 17 2018
      • Additional Info: How to Fix

      Summary: Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2019 TLXs with a client complaint of the Malfunction Indicator Lamp (MIL) on with DTC P0420 (Rear Bank Catalyst System Efficiency Below Threshold [Bank 2])

      More Information »