2020 Acura MDX Problems: 2 Known Issues
2020 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated October 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2020 Acura MDX has 2 documented known issues, with 1 rated critical. The most serious is Fuel-pump impeller deformation — recall 23V858. DIY maintenance guides at au7o.io.
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All 2 Known Issues
NHTSA Recalls14 recalls
FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP
Honda (American Honda Motor Co.) is recalling certain 2016-2018 Acura MDX, 2015-2019 Acura TLX and 2015-2017 Honda Accord vehicles, equipped with a 3.5L V6 engine. Particulates in fuel may adhere to the internal components of the fuel pump, reducing its performance.
EXTERIOR LIGHTING:TAIL LIGHTS
Honda (American Honda Motor Co.) is recalling certain 2014-2019 Acura MDX and 2017-2019 Acura MDX Sport Hybrid vehicles. Moisture may enter the tailgate lid lights, possibly causing a loss of the tailgate lid lights and the taillights.
STRUCTURE:FRAME AND MEMBERS
American Honda Motor Company (Honda) is recalling certain 2016-2022 Honda Pilot, 2017-2023 Ridgeline, 2019-2023 Passport, and 2014-2020 Acura MDX vehicles that were sold in Connecticut, Delaware, District of Columbia, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, Virginia, West Virginia, or Wisconsin. The rear subframe may corrode at the suspension mounting points, which can result in rear suspension component failure.
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS
Honda (American Honda Motor Co.) is recalling certain 2018-2019 Acura MDX and Honda Pilot vehicles and 2019 Acura RLX, RLX Sport Hybrid, TLX and Honda Odyssey and Ridgeline vehicles. The timing belt teeth may separate from the belt.
SEATS
Honda (American Honda Motor Co.) is recalling certain 2018 Honda Pilot and Ridgeline vehicles and 2018 Acura MDX vehicles. The front driver and passenger powered seats in the Honda vehicles and the driver powered seats in the Acura vehicles may have been assembled with improperly manufactured rivets. In the event of a crash, the rivets can break causing the seats not to be secured to the floor. As such, these vehicles may fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 207, "Seating Systems," and 210, "Seat Belt Assembly Anchorages."
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Frequently Asked Questions
What are the most common Acura MDX problems?
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2020 Acura MDX has 2 documented issues. The most frequently reported are: Fuel-pump impeller deformation — recall 23V858, Engine may not restart after Idle Stop — Acura software update SB 23-001. Of these, 1 is rated critical and should be addressed promptly.
Is the Acura MDX reliable?
The 2020 Acura MDX has 2 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 1 issue is rated critical: Fuel-pump impeller deformation — recall 23V858. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
What is the 2018-2020 Acura MDX Fuel-pump impeller deformation — recall 23V858?
An affected pump's low-density impeller can deform and interfere with the pump body. Loss of fuel delivery can prevent starting or stall the engine, increasing crash risk. Applies to: Certain 2014–2020 Acura MDX and 2018–2020 MDX Sport Hybrid vehicles covered by recall 23V858 (Ac… Severity: high.
What is the 2016-2020 Acura MDX Engine may not restart after Idle Stop — Acura software update SB 23-001?
Acura says that under certain circumstances, after the vehicle stops and Idle Stop shuts the engine off, the engine may not restart automatically. Acura notes the driver can typically restart it immediately by selecting Park and pressing the ENGINE START/STOP button. Applies to:… Severity: medium.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.