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.

• 10226213Nov 12, 2022Visibility (wipers, defrost, mirrors). Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2022 MDXs & 2020-2022 RDXs with a client complaint of the auto-open/close function on the sunshade/sunroof being lost (client has to continuously press on the button for movement). To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10226203Nov 8, 2022Visibility (wipers, defrost, mirrors). Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2022 MDXs & 2020-2022 RDXs with a client complaint of the auto-open/close function on the sunshade/sunroof being lost (client has to continuously press on the button for movement). To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10226204Nov 7, 2022Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2021 RDXs & TLX L4s with a client complaint of an oil leak or a dealer technician noticing an oil leak from the head cover gasket during a routine maintenance. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10226110Nov 4, 2022Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2022 RDXs with a client complaint of a front and/or rear brake noise which 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.
• 10226109Nov 4, 2022Visibility (wipers, defrost, mirrors). Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 - 2022 RDXs with a client complaint of a screeching or squeal noise from any window when its going up or down. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10225480Oct 25, 2022Visibility (wipers, defrost, mirrors). Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2022 MDXs & 2020-2022 RDXs with a client complaint of the auto-open/close function on the sunshade/sunroof being lost (client has to continuously press on the button for movement). To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10224786Oct 21, 2022Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2021 RDXs & TLX L4s with a client complaint of an oil leak or a dealer technician noticing an oil leak from the head cover gasket during a routine maintenance. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10224785Oct 21, 2022Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2022 RDXs with a client complaint of a front and/or rear brake noise which 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.
• 10224784Oct 21, 2022Visibility (wipers, defrost, mirrors). Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 - 2022 RDXs with a client complaint of a screeching or squeal noise from any window when its going up or down. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10224352Oct 14, 2022Visibility (wipers, defrost, mirrors). Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 - 2022 RDXs with a client complaint of a screeching or squeal noise from any window when its going up or down. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 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.
• 10222815Oct 7, 2022Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2022 RDXs with a client complaint of a front and/or rear brake noise which 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.
• 10222821Oct 6, 2022Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2021 RDXs & TLX L4s with a client complaint of an oil leak or a dealer technician noticing an oil leak from the head cover gasket during a routine maintenance. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10222819Oct 6, 2022Visibility (wipers, defrost, mirrors). Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2022 MDXs & 2020-2022 RDXs with a client complaint of the auto-open/close function on the sunshade/sunroof being lost (client has to continuously press on the button for movement). To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10222072Sep 23, 2022Visibility (wipers, defrost, mirrors). Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 - 2022 RDXs with a client complaint of a screeching or squeal noise from any window when its going up or down. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10222079Sep 20, 2022Engine cooling. "Service Bulletin - Engine does not auto restart after entering into auto Idle Stop. The Idle Stop criteria was incorrect and allowed Idle Stop to engage when battery health is insufficient."
• 10222071Sep 19, 2022Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2022 RDXs with a client complaint of a front and/or rear brake noise which 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.
• 10220355Sep 15, 2022Electrical system, Visibility (wipers, defrost, mirrors). Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2022 MDXs & 2020-2022 RDXs with a client complaint of the auto-open/close function on the sunshade/sunroof being lost (client has to continuously press on the button for movement). To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10219673Sep 9, 2022Body and structure, Visibility (wipers, defrost, mirrors). Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 - 2022 RDXs with a client complaint of a screeching or squeal noise from any window when its going up or down. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10219542Aug 25, 2022Body and structure, Visibility (wipers, defrost, mirrors). Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 - 2022 RDXs with a client complaint of a screeching or squeal noise from any window when its going up or down. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 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.
• 10219518Aug 10, 2022Body and structure. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 - 2022 RDXs with a client complaint of a screeching or squeal noise from any window when its going up or down. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10216917Jul 26, 2022Body and structure. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 - 2022 RDXs with a client complaint of a screeching or squeal noise from any window when its going up or down. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10216899Jul 21, 2022Body and structure, Electrical system. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2022 MDXs & 2020-2022 RDXs with a client complaint of the auto-open/close function on the sunshade/sunroof being lost (client has to continuously press on the button for movement). To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10216894Jul 11, 2022Steering. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 - 2022 RDXs with a client complaint of a screeching or squeal noise from any window when its going up or down. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10216871Jul 5, 2022Body and structure. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2022 MDXs & 2020-2022 RDXs with a client complaint of the auto-open/close function on the sunshade/sunroof being lost (client has to continuously press on the button for movement). To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10215506Jun 20, 2022Equipment, Electrical system, Body and structure. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2022 MDXs & 2020-2022 RDXs with a client complaint of the auto-open/close function on the sunshade/sunroof being lost (client has to continuously press on the button for movement). To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10215496Jun 16, 2022Equipment, Body and structure, Visibility (wipers, defrost, mirrors). Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 RDXs & 2022 MDXs with a client complaint of deformed or damaged sunroof seals. To better understand the cause of this condition, AHM would like to obtain pictures of the sunroof seal prior to you attempting a repair of any kind.
• 10215490Jun 9, 2022Visibility (wipers, defrost, mirrors), Equipment, Body and structure. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 RDXs & 2022 MDXs with a client complaint of deformed or damaged sunroof seals. To better understand the cause of this condition, AHM would like to obtain pictures of the sunroof seal prior to you attempting a repair of any kind.
• 10215481Jun 6, 2022Equipment, Electrical system, Other or unknown. "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.
• 10215480Jun 2, 2022Body and structure, Equipment, Visibility (wipers, defrost, mirrors). Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 RDXs & 2022 MDXs with a client complaint of deformed or damaged sunroof seals. To better understand the cause of this condition, AHM would like to obtain pictures of the sunroof seal prior to you attempting a repair of any kind.
• 10213580May 17, 2022Body and structure. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 RDXs & 2022 MDXs with a client complaint of deformed or damaged sunroof seals. To better understand the cause of this condition, AHM would like to obtain pictures of the sunroof seal prior to you attempting a repair of any kind.
• 10213576May 17, 2022Visibility (wipers, defrost, mirrors). Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 - 2022 RDXs with a client complaint of a screeching or squeal noise from any window when its going up or down. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10213570May 12, 2022Body and structure. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 RDXs & 2022 MDXs with a client complaint of deformed or damaged sunroof seals. To better understand the cause of this condition, AHM would like to obtain pictures of the sunroof seal prior to you attempting a repair of any kind.
• 10213568May 12, 2022Visibility (wipers, defrost, mirrors). Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 - 2022 RDXs with a client complaint of a screeching or squeal noise from any window when its going up or down. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10213563May 6, 2022Body and structure. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 RDXs & 2022 MDXs with a client complaint of deformed or damaged sunroof seals. To better understand the cause of this condition, AHM would like to obtain pictures of the sunroof seal prior to you attempting a repair of any kind.
• 10213558May 6, 2022Visibility (wipers, defrost, mirrors). Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 - 2022 RDXs with a client complaint of a screeching or squeal noise from any window when its going up or down. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 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.
• 10211115Apr 26, 2022Visibility (wipers, defrost, mirrors). Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 - 2022 RDXs with a client complaint of a screeching or squeal noise from any window when its going up or down. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10211109Apr 19, 2022Body and structure. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 RDXs & 2022 MDXs with a client complaint of deformed or damaged sunroof seals. To better understand the cause of this condition, AHM would like to obtain pictures of the sunroof seal prior to you attempting a repair of any kind.
• 10211097Apr 11, 2022Visibility (wipers, defrost, mirrors). Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 - 2022 RDXs with a client complaint of a screeching or squeal noise from any window when its going up or down. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10211085Apr 5, 2022Body and structure, Electrical system. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 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.
• 10211084Apr 5, 2022Body and structure. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 RDXs & 2022 MDXs with a client complaint of deformed or damaged sunroof seals. To better understand the cause of this condition, AHM would like to obtain pictures of the sunroof seal prior to you attempting a repair of any kind.
• 10210098Mar 29, 2022Body and structure, Visibility (wipers, defrost, mirrors), Equipment. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 RDXs & 2022 MDXs with a client complaint of deformed or damaged sunroof seals. To better understand the cause of this condition, AHM would like to obtain pictures of the sunroof seal prior to you attempting a repair of any kind.
• 10210097Mar 29, 2022Equipment, Visibility (wipers, defrost, mirrors), Body and structure. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 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.
• 10210093Mar 23, 2022Latches, locks and linkages, 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.
• 10210090Mar 22, 2022Body and structure, Electrical system. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 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.
• 10210088Mar 22, 2022Body and structure. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 RDXs & 2022 MDXs with a client complaint of deformed or damaged sunroof seals. To better understand the cause of this condition, AHM would like to obtain pictures of the sunroof seal prior to you attempting a repair of any kind.
• 10209090Mar 11, 2022Visibility (wipers, defrost, mirrors), Equipment, Body and structure. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 RDXs & 2022 MDXs with a client complaint of deformed or damaged sunroof seals. To better understand the cause of this condition, AHM would like to obtain pictures of the sunroof seal prior to you attempting a repair of any kind.
• 10209089Mar 11, 2022Electrical system, Visibility (wipers, defrost, mirrors), Equipment. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 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.

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