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.

• 10208849Mar 2, 2022Equipment, Visibility (wipers, defrost, mirrors), Electrical system, Body and…. Tech Line Summary Article - We are getting reports of a popping noise coming from the left and right sides of the rear area of the roof near the panoramic sunroof assembly. Before replacing the sunroof frame assembly to address the noise, do a mounting bolt retorque procedure. Then, verify if the noise is still present before replacing the frame assembly.
• 10208407Feb 22, 2022Fuel system, Engine cooling, Electrical 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…
• 10208095Feb 7, 2022Fuel system, Electrical 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…
• 10207005Jan 28, 2022Visibility (wipers, defrost, mirrors), Body and structure. Tech Line Summary Article - We are getting reports of a popping noise coming from the left and right sides of the rear area of the roof near the panoramic sunroof assembly.
• 10206804Jan 21, 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…
• 10206795Jan 19, 2022Equipment, Body and structure. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for 2019-2021 RDX with a customer complaint of a damaged rear door weatherstrip. To better understand the cause of this condition, AHM would like to obtain images of the weatherstrip before you attempt any repairs.
• 10206459Jan 4, 2022Visibility (wipers, defrost, mirrors), Body 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.
• 10206452Jan 3, 2022Body and structure. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for 2019-2021 RDX with a customer complaint of a damaged rear door weatherstrip. To better understand the cause of this condition, AHM would like to obtain images of the weatherstrip before you attempt any repairs.
• 10206450Jan 3, 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…
• 10205465Dec 18, 2021Electrical system. Service Bulletin - By February of 2022, the current 3G network the vehicle connects to for services, will no longer be in-service. The Telematics Control Unit (TCU) Over the Air Update (OTA) is required to connect to the VoLTE network to continue communications.
• 10205464Dec 17, 2021Visibility (wipers, defrost, mirrors). Service Bulletin - The Heads Up Display (HUD) image appears blurry, faded, discolored, or distorted.
• 10205468Dec 15, 2021Fuel 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…
• 10205472Dec 14, 2021Electrical system. Owner Notification Letter - In February of 2022, the 3G network will no longer support the in-vehicle services that the vehicle has previously supported. The Telematics Control Unit (TCU) using the Over the Air (OTA) update is required to connect to the VoLTE network to continue communications. Acura strongly recommends updating your vehicle as soon as possible.
• 10204243Dec 3, 2021Electrical system. Dealer Message - Today, December 3, 2021, Acura is announcing a product improvement campaign (PIC) for certain 2019-2021 RDX vehicles to update the telematics control unit (TCU) software for an upcoming network service change. Perform an iN VIN status inquiry to determine which units in your inventory are affected.
• 10204242Dec 3, 2021Electrical system. Service Bulletin - By February of 2022, the current 3G network the vehicle connects to for services, will no longer be in-service. The Telematics Control Unit (TCU) Over the Air Update (OTA) is required to connect to the VoLTE network to continue communications.
• 10203819Nov 29, 2021Fuel 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…
• 10203800Nov 23, 2021Transmission and drivetrain, Electrical system, Engine cooling. Service Bulletin - The MIL comes on with DTC P061B (PCM Internal Malfunction) is stored.
• 10203637Nov 16, 2021Fuel 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…
• 10202919Oct 30, 2021Fuel 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…
• 10202909Oct 26, 2021Engine cooling, Transmission and drivetrain. Service Bulletin - The MIL comes on with DTC P061B (PCM Internal Malfunction) is stored.
• 10202328Oct 13, 2021Fuel 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…
• 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.
• 10202040Sep 27, 2021Electrical system, Fuel 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…
• 10202039Sep 23, 2021Electrical system, Fuel 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…
• 10201455Sep 10, 2021Electrical system. Job Aid - This job aid contains information on the MOST Bus Network and troubleshooting information for common problems.
• 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.
• 10201209Sep 3, 2021Engine cooling, Transmission and drivetrain. Service Bulletin - The MIL comes on with DTC P061B (PCM Internal Malfunction) is stored.
• 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.
• 10200856Aug 30, 2021Electrical system, Fuel 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…
• 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).
• 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.
• 10200545Aug 19, 2021Visibility (wipers, defrost, mirrors), Electrical system. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 RDXs with a client complaint of a noise coming from the front windows when opening or closing. 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.
• 10200367Aug 6, 2021Engine cooling, Transmission and drivetrain. Service Bulletin - The MIL comes on with DTC P061B (PCM Internal Malfunction) is stored.
• 10199765Jul 30, 2021Electrical system, Visibility (wipers, defrost, mirrors). Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 RDXs with a client complaint of a noise coming from the front windows when opening or closing. 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.
• 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.
• 10199462Jul 23, 2021Electrical system. Dealer Message - American Honda Motor Co., Inc. has agreed to a proposed class action settlement relating to Infotainment System components on the 2019 and 2020 RDX. AHM will provide additional details to its authorized Acura dealers if and when the Court grants final approval of the settlement. Should you have any questions in the interim, please visit www.infotainmentsettlement.com
• 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.
• 10196899Jun 1, 2021Visibility (wipers, defrost, mirrors). Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 RDXs with a client complaint of a noise coming from the front windows when opening or closing. 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.
• 10196882Jun 1, 2021Transmission and drivetrain. Service Bulletin - The MIL comes on with DTC P0236 (Turbocharger Boost Sensor Circuit Range/Performance Problem) stored.
• 10195033May 25, 2021Engine cooling, Fuel system. Service Bulletin - The MIL is flashing with loss of power.
• 10194460May 10, 2021Equipment, Electrical system. Dealer Message - On February 18, 2021, American Honda announced a warranty extension for certain 2019-2020 RDX vehicles.
• 10191000Apr 23, 2021Electrical system. "Owner Notification Letter - Please be advised that there was a printing error in a letter you recently received regarding the above-mentioned warranty extension. Acura is adding an additional 2,000 miles to this extension. Please note that the warranty coverage for the MOST bus network on your vehicle is 6 years or 74,000 miles from the original date of purchase, whichever comes first. This notification replaces…
• 10190998Apr 22, 2021Electrical system. "Owner Notification Letter - On some 2019 RDX models, a loose connection in the MOST bus network may cause the following: - A popping or crackling from the speakers, a blank display, or no sound from the audio system - Network Loss and/or Drive Mode Not Available Messages or the disclaimer message stuck on - The center display staying on after turning the vehicle to the OFF mode with the door open - Display…
• 10190539Apr 15, 2021Engine cooling, Electrical system. Service Bulletin - The MIL is flashing with loss of power.
• 10190296Apr 9, 2021Electrical system. Service Bulletin - A loose connection in the MOST bus network is causing 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, Center Display Unit Stays On with Ignition Turned to OFF and Door Open, display switches between the Day Mode and Night Mode, the Drive mode not available message appears, or Disclaimer is stuck on.
• 10190300Apr 5, 2021Electrical system. "Owner Notification Letter - On some 2019 RDX models, a loose connection in the MOST bus network may cause the following: -A popping or crackling from the speakers, a blank display, or no sound from the audio system -Network Loss and/or Drive Mode Not Available Messages or the disclaimer message stuck on -The center display staying on after turning the vehicle to the OFF mode with the door open -Display switches…
• 10189904Mar 29, 2021Vehicle speed control, Transmission and drivetrain. 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).
• 10189918Mar 25, 2021Visibility (wipers, defrost, mirrors), Equipment. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 RDXs with a client complaint of a noise coming from the front windows when opening or closing. 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.

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