2021 Acura RDX Technical Service Bulletins

194 technical service bulletins (TSBs) are on record for the 2021 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.

• 10203504Nov 11, 2021Air bags, Seats. ServiceNews Article - There are several possible causes for the SRS DTC U3000-49 (Internal Failure of the SRS Unit) to be stored. If you can duplicate the DTC, the troubleshooting will take you through the step-by-step process in isolating the faulty component. In most situations, the SRS Unit should be last on the list of components to replace. Here is a quick tip for troubleshooting a faulty seat weight sensor.
• 10203585Nov 9, 2021Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2022 RDXs with a client complaint of a brake noise. The noise can be described as a squeal. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
• 10203449Nov 3, 2021Tires. 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 complaint of the Tire Pressure Monitoring System (TPMS) light on due to a faulty sensor. To better understand the cause of this condition, AHM would like to collect specific parts…
• 10202918Oct 30, 2021Electrical system, Visibility (wipers, defrost, mirrors). Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 RDXs & 2022 MDXs with a client complaint of the sunshade or sunroof closing partially before reversing open or will not move in the closing direction from any position. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10202917Oct 29, 2021Wheels. 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. To better understand the cause of this condition, AHM would like to collect specific parts from the before attempting a repair of any kind.
• 10202915Oct 27, 2021Suspension. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 RDXs with a client complaint of front bearing noise coming from the front while driving. The noise can be described as howling or moaning. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
• 10202909Oct 26, 2021Engine cooling, Transmission and drivetrain. Service Bulletin - The MIL comes on with DTC P061B (PCM Internal Malfunction) is stored.
• 10202912Oct 25, 2021Seats. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 RDXs with a client complaint of the center console lid (armrest) not latching/staying closed intermittently or at all times. To better understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind.
• 10202606Oct 20, 2021Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 RDXs with a client complaint of a brake noise. The noise can be described as a squeal. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
• 10202327Oct 12, 2021Electrical system, Visibility (wipers, defrost, mirrors). Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 RDXs & 2022 MDXs with a client complaint of the sunshade or sunroof closing partially before reversing open or will not move in the closing direction from any position. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10202296Oct 7, 2021Tires. 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. To better understand the cause of this condition, AHM would like to collect specific parts from the before attempting a repair of any kind.
• 10202293Oct 5, 2021Equipment, Body and structure. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 RDXs with a client complaint of the center console lid (armrest) not latching/staying closed intermittently or at all times. To better understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind.
• 10202292Oct 1, 2021Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 RDXs with a client complaint of a brake noise. The noise can be described as a squeal. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
• 10202290Oct 1, 2021Electrical system, Visibility (wipers, defrost, mirrors). Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 RDXs with a client complaint of the sunshade or sunroof closing partially before reversing open or will not move in the closing direction from any position. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10202288Oct 1, 2021Equipment. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2021 RDXs with a client complaint of a rattle noise coming from the Head-Up Display (HUD). To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10202045Sep 20, 2021Wheels. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 RDXs with a client complaint of front bearing noise coming from the front while driving. The noise can be described as howling or moaning. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
• 10201462Sep 10, 2021Seats. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 RDXs with a client complaint of the center console lid (armrest) not latching/staying closed intermittently or at all times. To better understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind.
• 10201455Sep 10, 2021Electrical system. Job Aid - This job aid contains information on the MOST Bus Network and troubleshooting information for common problems.
• 10201461Sep 7, 2021Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 RDXs with a client complaint of a brake noise. The noise can be described as a squeal. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
• 10201458Sep 7, 2021Electrical system. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 RDXs with a client complaint of the sunshade or sunroof closing partially before reversing open or will not move in the closing direction from any position. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10201457Sep 7, 2021Electrical system, Visibility (wipers, defrost, mirrors). Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2021 RDXs with a client complaint of a rattle noise coming from the Head-Up Display (HUD). To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10201212Sep 1, 2021Electrical system, Equipment. Job Aid - This job aid contains information on the MOST Bus Network and troubleshooting information for common problems.
• 10200854Aug 31, 2021Forward collision avoidance. ServiceNews Article - When returning the vehicle to the client, inform them that if the message Adaptive Cruise Control System Problem comes back on when the vehicle is driven in freezing conditions, it is likely because of snow or ice buildup on the radar. Advise the client of the following procedure to clean the front grille where the radar is located.
• 10200853Aug 31, 2021Forward collision avoidance. Service Bulletin - The ACC system error message comes on while driving when outside temperatures are low/near freezing.
• 10200851Aug 30, 2021Transmission and drivetrain, Vehicle speed control. Service Bulletin - The AWD indicator comes on with DTC C1843-62 (left rear differential fluid pressure deviation) and/or DTC C1844-62 (right rear differential fluid pressure deviation).
• 10200548Aug 19, 2021Visibility (wipers, defrost, mirrors), Electrical system. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 RDXs with a client complaint of the sunshade or sunroof closing partially before reversing open or will not move in the closing direction from any position. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10200547Aug 19, 2021Visibility (wipers, defrost, mirrors). Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2021 RDXs with a client complaint of a rattle noise coming from the Head-Up Display (HUD). To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10200543Aug 19, 2021Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 RDXs with a client complaint of a brake noise. The noise can be described as a squeal. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
• 10199763Jul 30, 2021Visibility (wipers, defrost, mirrors), Electrical system. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 RDXs with a client complaint of the sunshade or sunroof closing partially before reversing open or will not move in the closing direction from any position. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10199761Jul 30, 2021Equipment. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2021 RDXs with a client complaint of a rattle noise coming from the Head-Up Display (HUD). To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10199757Jul 28, 2021Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 RDXs with a client complaint of a brake noise. The noise can be described as a squeal. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
• 10199331Jul 9, 2021Visibility (wipers, defrost, mirrors). Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2021 RDXs with a client complaint of a rattle noise coming from the Head-Up Display (HUD). To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10199335Jul 7, 2021Visibility (wipers, defrost, mirrors), Electrical system. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 RDXs with a client complaint of the sunshade or sunroof closing partially before reversing open or not close at all. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10198183Jun 17, 2021Electrical system. Service Bulletin - There is a popping or crackling from the speakers, a blank display, or no sound from the audio system. You may also see a Network Loss message.
• 10198184Jun 15, 2021Visibility (wipers, defrost, mirrors), Electrical system. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 RDXs with a client complaint of the sunshade or sunroof closing partially before reversing open or not close at all. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10196903Jun 3, 2021Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 RDXs with a client complaint of a brake noise. The noise can be described as a squeal. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
• 10196882Jun 1, 2021Transmission and drivetrain. Service Bulletin - The MIL comes on with DTC P0236 (Turbocharger Boost Sensor Circuit Range/Performance Problem) stored.
• 10195040May 28, 2021Electrical system, Visibility (wipers, defrost, mirrors). Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 RDXs with a client complaint of the sunshade or sunroof closing partially before reversing open or not close at all. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10195033May 25, 2021Engine cooling, Fuel system. Service Bulletin - The MIL is flashing with loss of power.
• 10191765Apr 29, 2021Visibility (wipers, defrost, mirrors), Electrical system. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 RDXs with a client complaint of the sunshade or sunroof closing partially before reversing open or not close at all. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10190539Apr 15, 2021Engine cooling, Electrical system. Service Bulletin - The MIL is flashing with loss of power.
• 10185996Jan 18, 2021Electrical system. ServiceNews Article - It has been found that when replacing the PCM/ECM, the Dynamic Drive mode images - normally displayed on the center display - no longer appear. In order to prevent this, make sure that the software version on the infotainment control unit reads D.1.5.1 or higher. If the version is not up to date, you must complete the update by using the OTA function or via USB.
• 10185045Dec 24, 2020Equipment, Engine cooling, Electrical system. Service Bulletin - The MIL is flashing with loss of power. Humid air within the intake tract may condense and accumulate excessive moisture during steady driving.
• 10211608Mar 18, 2016Equipment. Special Tool Loan Program: Under TOOLS AVAILABLE FOR LOAN, the list has been updated.

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