2021 Acura TLX technical service bulletins

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

• May 18, 2026 Over-the-air updateOver The Air Update
• Sep 17, 2025 Service bulletinOil leak at the cam chain tensioner inspection cover due to and insufficient sealant adhesion on the...
• Apr 9, 2025 OtherDealer Message
• Feb 12, 2025 OtherDealer Message
• Dec 18, 2024 Service bulletinA coaxial cable terminal was not manufactured to proper specifications
• Sep 21, 2024 OtherDealer Message
• Sep 18, 2024 OtherOwner Notification Letter
• Jul 30, 2024 OtherDealer Message
• Jul 30, 2024 Service bulletinA coaxial cable terminal was not manufactured to proper specifications
• Mar 27, 2024 Service bulletinDuring engine start in cold conditions, a miscalculation in the PCM causes the air-fuel ratio to exceed...
• Mar 12, 2024 Service bulletinThe MIL is flashing with a loss of power
• Oct 11, 2023 Service bulletinThe vehicle's brakes may exhibit a groan, squeal, or squeak noise, most commonly after the vehicle sits...
• Sep 5, 2023 Service bulletinThe client may experience a popping or crackling noise from the speakers, a blank display, or no sound...
• Apr 28, 2023 Service bulletinOwner Notification Letter
• Mar 24, 2023 Service bulletinDealer Message
• Mar 14, 2023 Service bulletinUnder certain circumstances, the vehicle may experience driveability concerns
• Feb 7, 2023 Service bulletinDealer Message- American Honda Motor Co., Inc. (AHM) is searching for any & all 2022 MDX Type Ss &...
• Jan 18, 2023 Service bulletinDealer Message
• Dec 13, 2022 Service bulletinDealer Message
• Nov 28, 2022 Service bulletinDealer Message
• Nov 8, 2022 Service bulletinDealer Message
• Oct 25, 2022 Service bulletinDealer Message
• Oct 6, 2022 Service bulletinDealer Message
• Sep 22, 2022 Service bulletinThe MIL comes on with DTC P0455 (Evaporative Emission [EVAP] System Very Large Leak Detected) stored
• Sep 2, 2022 Service bulletinDealer message
• Aug 16, 2022 Service bulletinDealer message
• Jul 26, 2022 Service bulletinDealer message
• Jul 5, 2022 Service bulletinDealer message
• Jun 20, 2022 Service bulletinThe front brakes make a high-pitched squeal when lightly applied at 15 mph or less
• Jun 17, 2022 Service bulletinTech line summary article
• Apr 11, 2022 Service bulletinCustomer letter
• Mar 9, 2022 Service bulletinDealer Message
• Feb 22, 2022 Service bulletinDealer Message
• Feb 17, 2022 Service bulletinThe front brakes make a high-pitched squeal when lightly applied at 15 mph or less.
• Nov 29, 2021 Service bulletinDealer Message
• Nov 23, 2021 Service bulletinThe MIL comes on with DTC P061B (PCM Internal Malfunction) is stored.
• Nov 11, 2021 Service bulletinServiceNews Article
• Oct 29, 2021 Service bulletinDealer Message
• Oct 11, 2021 Service bulletinDealer Message
• Oct 6, 2021 Service bulletinThere is a popping or cracking from the speakers, a blank display, or no sound from the audio system
• Sep 10, 2021 Service bulletinJob Aid
• Jun 24, 2021 Service bulletinServiceNews Article
• Jun 1, 2021 Service bulletinThe MIL comes on with DTC P0236 (Turbocharger Boost Sensor Circuit Range/Performance Problem) stored.
• May 25, 2021 Service bulletinThe MIL is flashing with loss of power.
• May 10, 2021 Service bulletinDealer Message
• Mar 17, 2021 Service bulletinTech Line Summary Article
• Feb 6, 2021 Service bulletinThe MIL comes on with DTC P0455 (Evaporative Emission [EVAP] System Very Large Leak Detected) stored.
• Jan 18, 2021 Service bulletinServiceNews Article
• Mar 18, 2016 Service bulletinSpecial Tool Loan Program: Under TOOLS AVAILABLE FOR LOAN, the list has been updated.