2012 Acura MDX Problems: 3 Known Issues
2012 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 2012 Acura MDX has 3 documented known issues, with 1 rated critical. The most serious is J37 Oil Consumption, Spark Plug Fouling, and Active Motor Mount Failure ($400-$3,500 repair). Across all issues with published estimates, repair costs range from $200 to $3,500. DIY maintenance guides at au7o.io.
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All 3 Known Issues
NHTSA Recalls11 recalls
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
Honda (American Honda Motor Co.) is recalling certain 2013-2023 Honda Accord, Civic Coupe, Civic Sedan, Civic Hatchback, Civic Type R, CR-V, HR-V, Ridgeline, Odyssey, Acura ILX, MDX, MDX Hybrid, RDX, RLX, TLX, 2019-2022 Honda Insight, Passport, 2020 Honda CR-V Hybrid, 2018-2019 Honda Clarity PHEV, Fit, and 2015-2020 Honda Accord Hybrid, Pilot, Acura NSX vehicles. The fuel pump inside the fuel tank may fail.
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.
FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY
Honda (American Honda Motor Co.) is recalling certain model year 2015 Acura MDX 2WD and MDX 4WD vehicles, 2016 Acura MDX 4WD vehicles, 2015-2016 Honda Odyssey vehicles, and 2016 Honda Pilot 2WD and 4WD vehicles. The affected vehicles have fuel tanks that were manufactured with insufficient welds which may separate and allow fuel to leak out.
FORWARD COLLISION AVOIDANCE: CRASH IMMINENT BRAKING
Honda (American Honda Motor Co.) is recalling certain model year 2014-2015 Acura MDX 2WD and AWD, RLX and 2014 Acura RLX Hybrid vehicles. In certain driving conditions, the Collision Mitigation Braking System (CMBS) may incorrectly interpret certain roadside objects such as metal fences or metal guardrails as obstacles and unexpectedly apply the brakes.
SEAT BELTS
American Honda Motor Company (Honda) is recalling certain model year 2014-2015 Acura MDX vehicles manufactured April 23, 2013, to August 25, 2014, and 2014 Acura RLX vehicles manufactured November 5, 2012, to November 25, 2013. In the affected vehicles, the driver and front passenger seat belt may not extend or retract in low temperatures.
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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 2012 Acura MDX has 3 documented issues. The most frequently reported are: J37 Oil Consumption, Spark Plug Fouling, and Active Motor Mount Failure, Torque Converter Lock-Up Clutch Judder at 20-60 mph (2012-2015 MDX), Power Steering High-Pressure Hose Cracking and Rack 'Morning Sickness' — Generation-Specific Fitment. Of these, 1 is rated critical and should be addressed promptly.
Is the Acura MDX reliable?
The 2012 Acura MDX has 3 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 1 issue is rated critical: J37 Oil Consumption, Spark Plug Fouling, and Active Motor Mount Failure. 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.
How much does it cost to fix common Acura MDX problems?
Repair costs for known Acura MDX issues range from $200 to $3,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, J37 Oil Consumption, Spark Plug Fouling, and Active Motor Mount Failure, typically costs $400-$3,500 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2010-2013 Acura MDX J37 Oil Consumption, Spark Plug Fouling, and Active Motor Mount Failure?
The 2010–2013 MDX J37A1 can develop oil consumption and spark-plug fouling from piston-ring or cylinder sealing problems. Separately, its front and rear active hydraulic engine mounts can leak or collapse, causing idle vibration and a clunk when shifting. Diagnose these as separa… Repairs typically run $400-$3,500. Severity: high.
What is the 2012-2015 Acura MDX Torque Converter Lock-Up Clutch Judder at 20-60 mph (2012-2015 MDX)?
Owners of the 6-speed 2012-2015 MDX feel a rhythmic 'rumble-strip' judder between roughly 20 and 60 mph during light/steady throttle. Honda's investigation found the torque converter itself is not damaged; the lock-up clutch judders due to ATF deterioration combined with calibrat… Repairs typically run $200-$1,200. Severity: medium.
What is the 2001-2013 Acura MDX Power Steering High-Pressure Hose Cracking and Rack 'Morning Sickness' — Generation-Specific Fitment?
First- and second-gen MDX power-steering high-pressure hose deteriorates and cracks at the metal-to-rubber crimp, weeping Honda PSF onto the subframe and causing whine, low-fluid warnings, and eventually pump damage. Internally, the rack develops 'morning sickness' - stiff steeri… Repairs typically run $350-$1,800. 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.