2020 Acura MDX Technical Service Bulletins

110 technical service bulletins (TSBs) are on record for the 2020 Acura MDX. 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.

• 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…
• 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.
• 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…
• 10202914Oct 25, 2021Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2020 MDXs with a client complaint of an unexpected CMBS operation or a brake application. 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.
• 10202602Oct 22, 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.
• 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…
• 10202295Oct 5, 2021Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2020 MDXs with a client complaint of an unexpected CMBS operation or a brake application. 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.
• 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…
• 10201464Sep 10, 2021Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2020 MDXs with a client complaint of an unexpected CMBS operation or a brake application. 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.
• 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…
• 10200864Aug 25, 2021Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2020 MDXs with a client complaint of an unexpected CMBS operation or a brake application. 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.
• 10200861Aug 25, 2021Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020 MDXs with a client complaint of the Malfunction Indicator Light (MIL) on with specific DTCs (see the full list below) stored. 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.
• 10200859Aug 25, 2021Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2020 MDX V6s (non-Hybrid) with a client complaint of the Malfunction Indicator Light (MIL) on with the misfire DTCs P0300-P0306 stored. 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.
• 10200428Aug 9, 2021Engine cooling, Equipment. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2020 MDX V6s (non-Hybrid) with a client complaint of the Malfunction Indicator Light (MIL) on with the misfire DTCs P0300-P0306 stored. 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.
• 10200427Aug 9, 2021Engine cooling, Electrical system. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020 MDXs with a client complaint of the Malfunction Indicator Light (MIL) on with specific DTCs (see the full list below) stored. 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.
• 10200425Aug 9, 2021Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2020 MDXs with a client complaint of an unexpected CMBS operation or a brake application. 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.
• 10199466Jul 22, 2021Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2020 MDX V6s (non-Hybrid) with a client complaint of the Malfunction Indicator Light (MIL) on with the misfire DTCs P0300-P0306 stored. 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.
• 10199465Jul 22, 2021Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020 MDXs with a client complaint of the Malfunction Indicator Light (MIL) on with specific DTCs (see the full list below) stored. 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.
• 10199463Jul 22, 2021Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2020 MDXs with a client complaint of an unexpected CMBS operation or a brake application. 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.
• 10199338Jul 7, 2021Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020 MDXs with a client complaint of the Malfunction Indicator Light (MIL) on with specific DTCs (see the full list below) stored. 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.
• 10199337Jul 7, 2021Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2020 MDX V6s (non-Hybrid) with a client complaint of the Malfunction Indicator Light (MIL) on with the misfire DTCs P0300-P0306 stored. 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.
• 10199333Jul 7, 2021Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2020 MDXs with a client complaint of an unexpected CMBS operation or a brake application. 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.
• 10198208Jun 15, 2021Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2020 MDX V6s (non-Hybrid) with a client complaint of the Malfunction Indicator Light (MIL) on with the misfire DTCs P0300-P0306 stored. 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.
• 10198207Jun 15, 2021Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2020 MDXs with a client complaint of an unexpected CMBS operation or a brake application. 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.
• 10198206Jun 15, 2021Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020 MDXs with a client complaint of the Malfunction Indicator Light (MIL) on with specific DTCs (see the full list below) stored. 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.
• 10196901Jun 1, 2021Visibility (wipers, defrost, mirrors). Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 MDXs with a client complaint of a blower motor noise. The noise can be described as a high pitch or a whistle noise. 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.
• 10195039May 26, 2021Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2020 MDX V6s (non-Hybrid) with a client complaint of the Malfunction Indicator Light (MIL) on with the misfire DTCs P0300-P0306 stored. 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.
• 10195038May 26, 2021Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2020 MDXs with a client complaint of an unexpected CMBS operation or a brake application. 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.
• 10195037May 26, 2021Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020 MDXs with a client complaint of the Malfunction Indicator Light (MIL) on with specific DTCs (see the full list below) stored. 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.
• 10190994Apr 22, 2021Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2020 MDXs (non-Hybrid) & TLX V6s with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P0441 (EVAP System Purge Flow Malfunction) stored. 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.
• 10190992Apr 22, 2021Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2020 MDXs with a client complaint of an unexpected CMBS operation or a brake application. 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.
• 10190541Apr 16, 2021Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2020 MDX V6s (non-Hybrid) with a client complaint of the Malfunction Indicator Light (MIL) on with the misfire DTC P030X (Please provide the full DTC description) stored. 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.
• 10189940Mar 30, 2021Equipment, Fuel system. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2020 MDXs (non-Hybrid) & TLX V6s with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P0441 (EVAP System Purge Flow Malfunction) stored. 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.
• 10189924Mar 25, 2021Engine cooling, Equipment, Electrical system. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020 MDXs with a client complaint of the Malfunction Indicator Light (MIL) on with specific DTCs (see the full list below) stored. 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.
• 10189922Mar 25, 2021Engine cooling, Visibility (wipers, defrost, mirrors), Equipment. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 MDXs with a client complaint of a blower motor noise. The noise can be described as a high pitch or a whistle noise. 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.
• 10189916Mar 25, 2021Brakes, Equipment. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2020 MDXs with a client complaint of an unexpected CMBS operation or a brake application. 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.
• 10187895Feb 26, 2021Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020 MDXs with a client complaint of the Malfunction Indicator Light (MIL) on with specific DTCs (see the full list below) stored. 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.
• 10187893Feb 26, 2021Visibility (wipers, defrost, mirrors). Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 MDXs with a client complaint of a blower motor noise. The noise can be described as a high pitch or a whistle noise. 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.
• 10187889Feb 26, 2021Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2020 MDXs with a client complaint of an unexpected CMBS operation or a brake application. 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.
• 10187546Feb 15, 2021Equipment, Electrical system. Tech Line Summary Article - Do you have a client who has complained about the error message com.honda.auto.automotiveservice.AutoAplication isn't responding on their center display? This is a known software bug that can appear randomly. Pressing OK on the screen will dismiss the message and will not affect anything else on the vehicle. We are currently working on a software fix that is tentatively planned to be…
• 10187303Feb 10, 2021Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2020 MDXs with a client complaint of an unexpected CMBS operation or a brake application. 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.
• 10187300Feb 10, 2021Equipment. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 MDXs with a client complaint of a blower motor noise. The noise can be described as a high pitch or a whistle noise. 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.
• 10187298Feb 10, 2021Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020 MDXs with a client complaint of the Malfunction Indicator Light (MIL) on with specific DTCs (see the full list below) stored. 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.
• 10186002Jan 22, 2021Engine cooling, Fuel system. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020 MDXs with a client complaint of the Malfunction Indicator Light (MIL) on with specific DTCs (see the full list below) stored. 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.
• 10186000Jan 22, 2021Visibility (wipers, defrost, mirrors). Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 MDXs with a client complaint of a blower motor noise. The noise can be described as a high pitch or a whistle noise. 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.
• 10185997Jan 22, 2021Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2020 MDXs with a client complaint of an unexpected CMBS operation or a brake application. 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.
• 10185524Jan 6, 2021Visibility (wipers, defrost, mirrors), Equipment. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 MDXs with a client complaint of a blower motor noise. The noise can be described as a high pitch or a whistle noise. 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.
• 10185521Jan 6, 2021Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2020 MDXs with a client complaint of an unexpected CMBS operation or a brake application. 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.
• 10184020Dec 5, 2020Engine cooling, Equipment. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 MDXs with a client complaint of a blower motor noise. The noise can be described as a high pitch or a whistle noise. 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.

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