2019 Acura RDX Technical Service Bulletins

223 technical service bulletins (TSBs) are on record for the 2019 Acura RDX. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11033180May 18, 2026Electrical system. Over The Air Update - Vehicles equipped with the System Updates application are capable of downloading and installing Over the Air System Updates. System Updates contain upgrades that fix a variety of operational errors and/or enhancements that add new functionality. Information for the various software releases can be found in this document. Software version: D.1.6.4
• 11024891Oct 17, 2025Body and structure. "Service Bulletin - A pop noise can occur from the rear roof area when turning into driveways, bumps, or on an incline due to, in some cases, the panoramic roof frame mounting bolts are unable to maintain the necessary clamp force. This can allow shifting, which may lead to a pop noise."
• 11023274Sep 17, 2025Engine. Service Bulletin - Oil leak at the cam chain tensioner inspection cover due to and insufficient sealant adhesion on the inspection cover.
• 11019258May 30, 2025Brakes. Service Bulletin - The front and/or rear brakes make a high-pitched squeal when the brakes are lightly applied at 24 km/h (15 mph) or less, with ambient temperatures below 10°C (50°F).
• 11019244May 16, 2025Brakes. Service Bulletin - The front and/or rear brakes make a high-pitched squeal when the brakes are lightly applied at 24 km/h (15 mph) or less, with ambient temperatures below 10°C (50°F).
• 11018501May 10, 2025Body and structure. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2025 RDXs and 2022-2025 MDXs with a client complaint of a pop noise in the rear sunroof area. Clients may describe a single pop noise heard while driving over a bump or turning in and out of driveways. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 11018015Apr 25, 2025Body and structure. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2025 RDXs and 2022-2025 MDXs with a client complaint of a pop noise in the rear sunroof area. Clients may describe a single pop noise heard while driving over a bump or turning in and out of driveways. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 11012814Dec 18, 2024Electrical system. Service Bulletin - A coaxial cable terminal was not manufactured to proper specifications. An improperly manufactured terminal may lead to poor communication in the media-oriented system (MOST) bus network which can potentially affect the audio sound quality.
• 11005193Jul 13, 2024Brakes. Service Bulletin - The front and/or rear brakes make a high-pitched squeal when the brakes are lightly applied at 24 km/h (15 mph) or less, with ambient temperatures below 10°C (50°F).
• 11000272May 11, 2024Brakes. Service Bulletin - The front and/or rear brakes make a high-pitched squeal when the brakes are lightly applied at 15 mph or less, with ambient temperatures below 50° F.
• 10253294Apr 2, 2024Brakes. Service Bulletin- The front and/or rear brakes make a high-pitched squeal when lightly applied at 15 mph or less. The front brakes stop squealing when they are warmed up.For the front brakes, the brake damping force of applied shims is insufficient at colder temperature. For the rear brakes, there is not enough dampening between the rear brake pads and shims.
• 10252481Mar 27, 2024Transmission and drivetrain. Service Bulletin - During engine start in cold conditions, a miscalculation in the PCM causes the air-fuel ratio to exceed DTC rich criteria.
• 10251896Mar 12, 2024Engine cooling, Electrical system. Service Bulletin - The MIL is flashing with a loss of power. This is most common in hot, humid regions, or after a period of rainfall. Humid air within the intake passage may condense and accumulate moisture during steady driving which enters the engine and may cause a misfire and a flashing MIL.
• 10251895Mar 10, 2024Exterior lighting. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019 RDXs with a client complaint of moisture/condensation in the headlights. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10251155Feb 20, 2024Brakes. Service Bulletin - The front and/or rear brakes make a high-pitched squeal when lightly applied at 15 mph or less due to the front brake discs being too stiff and not enough dampening between the rear brake pads and shims on the rear brakes.
• 10250739Feb 15, 2024Suspension. Service Bulletin - Customers are experiencing a squeaking or creaking from the front suspension area when going over bumps or rough roads due to rubber in the right or left lower control arm bushing contacting the front subframe.
• 10250737Feb 15, 2024Exterior lighting. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019 RDXs with a client complaint of moisture/condensation in the headlights. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10250736Feb 15, 2024Visibility (wipers, defrost, mirrors). Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019-2024 RDXs with a client complaint of the front wipers inop. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10250332Feb 1, 2024Exterior lighting. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019 RDXs with a client complaint of moisture/condensation in the headlights. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10249207Jan 22, 2024Visibility (wipers, defrost, mirrors). Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019-2024 RDXs with a client complaint of the front wipers inop. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10249204Jan 17, 2024Exterior lighting. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019 RDXs with a client complaint of moisture/condensation in the headlights. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10249203Jan 17, 2024Body and structure. Service Bulletin - A pop noise from the rear roof area occurs when turning into driveways, bumps, or on an incline. It was determined that, in some cases, the panoramic roof frame mounting bolts are unable to maintain the necessary clamp force. This can allow shifting, which may lead to a pop noise.
• 10248680Jan 4, 2024Exterior lighting. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019 RDXs with a client complaint of moisture/condensation in the headlights. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10248681Jan 2, 2024Visibility (wipers, defrost, mirrors). Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019-2024 RDXs with a client complaint of the front wipers inop. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10246412Nov 27, 2023Exterior lighting. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2021 RDXs with a client complaint of moisture/condensation in the headlights. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10246411Nov 27, 2023Visibility (wipers, defrost, mirrors). Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019-2023 RDXs with a client complaint of the front wipers inop. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10245279Nov 8, 2023Visibility (wipers, defrost, mirrors). Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019-2023 RDXs with a client complaint of the front wipers inop. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10244664Oct 30, 2023Exterior lighting. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2021 RDXs with a client complaint of moisture/condensation in the headlights. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10244668Oct 24, 2023Visibility (wipers, defrost, mirrors). Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019-2023 RDXs with a client complaint of the front wipers inop. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10240776Aug 11, 2023Body and structure. Service Bulletin - Pop noise from the rear roof area when turning into driveways, bumps, or on an incline due to panoramic roof frame mounting bolts unable to maintain the necessary clamp force. This can allow shifting, which may lead to a pop noise.
• 10239706Jul 17, 2023Visibility (wipers, defrost, mirrors), Body and structure, Electrical system. Service Bulletin - The client may notice a loss of auto function, or no function, of the sunroof glass/sunshade due to a Motor-Control Unit error code in the clock frequency check falsely detecting a failure.
• 10239510Jul 17, 2023Body and structure, Visibility (wipers, defrost, mirrors). Service Bulletin - The client notices loss of auto function, or no function, of the sunroof glass/sunshade due to a Motor-Control Unit error code in the clock frequency check falsely detecting a failure.
• 10238231Jun 23, 2023Electrical system. Service Bulletin - A coaxial cable terminal was not manufactured to proper specifications. An improperly manufactured terminal may lead to poor communication in the media-oriented system (MOST) bus network which can potentially affect the audio sound quality.
• 10238229Jun 23, 2023Electrical system. Dealer Message - A coaxial cable terminal was not manufactured to proper specifications. An improperly manufactured terminal may lead to poor communication in the media oriented system transport (MOST) bus network which can potentially affect the audio sound quality.
• 10237173May 23, 2023Body and structure, Visibility (wipers, defrost, mirrors). Service Bulletin - A driver can notice loss of auto function, or no function, of the sunroof glass/sunshade due to Motor-Control Unit error code in the clock frequency check falsely detecting a failure.
• 10237043May 20, 2023Visibility (wipers, defrost, mirrors). Service Bulletin - The rear windshield glass is shattered or broken with no external impact due to an incorrect specification for the rear defroster grid.
• 10233209Mar 14, 2023Engine cooling. Service Bulletin - Under certain circumstances, the vehicle may experience driveability concerns. This may result in the following DTC’s to set: • P0300 (Random Misfire Detected), • P0301 (No. 1 Cylinder Misfire Detected), • P0302 (No. 2 Cylinder Misfire Detected), • P0303 (No. 3 Cylinder Misfire Detected), • P0304 (No. 4 Cylinder Misfire Detected), • P0172 (Fuel System Too Rich)
• 10225484Oct 28, 2022Visibility (wipers, defrost, mirrors). Service Bulletin - The rear windshield glass is shattered or broken with no external impact. POSSIBLE CAUSE Incorrect specification for the rear defroster grid. CORRECTIVE ACTION Inspect and replace the rear windshield glass.
• 10222822Oct 7, 2022Visibility (wipers, defrost, mirrors). Tech Line Article - If you are inspecting an MDX/RDX and notice a loss of auto function or no function of the sunroof/sunshade, please try these steps before removing any parts or trying any other repairs.
• 10222450Sep 30, 2022Fuel system. 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 check engine light may be displayed with DTC P0087 (Fuel Rail Pressure Too Low) stored, the engine may not start, or the engine could stall while driving, increasing the risk of a crash. Replace the fuel pump motor.
• 10222443Sep 30, 2022Fuel system. 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 of a crash. Replace the fuel pump motor.
• 10219540Aug 23, 2022Electrical system. Service bulletin - As of August 23, 2022, the Product Improvement Campaign has ended. The TCU can no longer be updated using Over The Air updates. If the customer needs to restore TCU services, the only option is to replace the TCU. This would be done as a customer pay repair.
• 10219515Aug 10, 2022Electrical system. "Dealer message - Audio sound stops and No Audio Connection message appears in the audio display. NOTE: This is not related to MOST ring break conditions."
• 10219513Aug 8, 2022Electrical system. Customer letter - Our records indicate that a Product Update has not been completed on this vehicle . The audio/information screen may show the clock being off by 1 hour. To correct this, an audio software update is available. Acura strongly recommends updating your vehicle as soon as possible.
• 10215489Jun 10, 2022Visibility (wipers, defrost, mirrors), Body and structure, Equipment. Service bulletin - The rear windshield glass is shattered or broken with no external impact. Incorrect specification for the rear defroster grid.
• 10215481Jun 6, 2022Equipment, Other or unknown, Electrical system. "Notice - Our records indicate that a PRODUCT IMPROVEMENT UPDATE has not been completed on this vehicle (Vehicle Identification Number [VIN NUMBER]). The date for updating vehicles was extended from February 22, 2022 to August 22, 2022. As of August 23, 2022, the 3G network will no longer support the in-vehicle services that the vehicle has previously supported.
• 10213560May 2, 2022Equipment. Dealer message - American Honda is investigating a potential quality concern with RDX Accessory Cross Bar kit. Due to this investigation, American Honda is requesting all dealers to return any uninstalled inventory to American Honda for investigation and validation by the supplier.
• 10211102Apr 13, 2022Engine cooling. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fuel System Too Lean), or P219A&B (Air-Fuel Ratio Variation of Cylinder) stored. To better understand the cause of this condition, AHM would like to collect…
• 10210096Mar 28, 2022Electrical system, Fuel system, Engine. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fuel System Too Lean), or P219A&B (Air-Fuel Ratio Variation of Cylinder) stored. To better understand the cause of this condition, AHM would like to collect…
• 10209092Mar 11, 2022Fuel system. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fuel System Too Lean), or P219A&B (Air-Fuel Ratio Variation of Cylinder) stored. To better understand the cause of this condition, AHM would like to collect…

← All problems reported for the 2019 Acura RDX