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Service bulletins for the 2020 Acura MDX

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

114 on file from NHTSA, as of 2026-10-19.

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By component

By trouble code

Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
B20-0192022-07-07. Service bulletin. SEATS; EQUIPMENT. "Service bulletin - When speeding up, slowing down, stopping, or turning, you hear or feel a noticeable clicking/popping from the driver's and/or front passenger's seat-back. Clients sometimes compare this to someone kicking the back of the seat. This sensation can also happen when adjusting the seat or shifting your weight in it."
B980152022-05-09. Service bulletin. EQUIPMENT. Special Tool Loan Program: Under TOOLS AVAILABLE FOR LOAN, the list has been updated.
BTI&080920219042021-08-18. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY; 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.
BPaS033020219012021-04-06. Service bulletin. FUEL SYSTEM, GASOLINE; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. 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.
BPaS032520219052021-04-06. Service bulletin. ENGINE AND ENGINE 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.
BPaS032520219042021-04-06. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; VISIBILITY. 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.
BPaS032520219012021-04-06. Service bulletin. SERVICE BRAKES; EQUIPMENT ADAPTIVE/MOBILITY:VEHICLE CONTROLS:BRAKING. 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.
BBTS2101022021-02-26. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. 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 released via OTA sometime in the late spring of this year. Until the OTA update is released, there is no need to replace any parts.
BPaS021020219042021-02-18. Service bulletin. 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.
BPaS010620219042021-01-14. Service bulletin. VISIBILITY; EQUIPMENT ADAPTIVE/MOBILITY; 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.
BPaS120520209052020-12-09. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN; EQUIPMENT ADAPTIVE/MOBILITY. 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.
BPaS120520209022020-12-09. Service bulletin. SERVICE BRAKES; 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.
B20-0152020-11-03. Service bulletin. POWER TRAIN; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Service Bulletin - The transmission has intermittent harsh or jerky upshifts with steady acceleration.
BPaS101620209032020-10-21. Service bulletin. SERVICE BRAKES; 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.
BPaS092820209032020-10-03. Service bulletin. EQUIPMENT; SERVICE BRAKES, HYDRAULIC. 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.
B20-0392020-09-22. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:GEARS; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. "Service Bulletin - When the PCM detects a malfunction in one of the odd number transmission gears, it will set one of the following DTCs: -P073F (unable to engage gear 1) -P074B (unable to engage gear 3) -P074D (unable to engage gear 5) -P074F (unable to engage gear 7) Due to inappropriate calibration of the PCM, the OBD system cannot properly clear the transmission permanent DTC as required."
B20-0152020-09-04. Service bulletin. POWER TRAIN; EQUIPMENT. Service Bulletin - The transmission has intermittent harsh or jerky upshifts with steady acceleration.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.