2018 Acura MDX
Problems, recalls and owner-reported issues
Engine is the leading concern among 166 owner complaints filed for this model year. This is the 11th highest complaint count among 24 MDX model years with reports.
Of the 2018 reports, 3 involved a crash and 4 involved a fire. 3 people were injured.
What owners report most often
Recalls and investigations
Structure, frame and membersJun 4, 2026
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.
Failure of rear suspension components, such as the rear control arm, can cause a loss of vehicle handling and control, increasing the risk of a crash or injury.
Dealers will inspect the rear subframe and install a rear subframe reinforcement kit and, as necessary, repair or replace the rear subframe components, free of charge. Interim letters notifying owners of the safety risk were mailed July 27, 2026. Additional letters will be sent once the final remedy is available, anticipated in the fall of 2026. Owners may contact Honda's customer service at 1-888-234-2138. Honda's numbers for this recall are AOU and AOT. Vehicle Identification Numbers (VINs) involved in this recall will become searchable on NHTSA.gov beginning June 10, 2026.
Campaign 26V365000 on NHTSA.gov
Air bags, sensor, occupant classification, front passengerMay 21, 2026
Honda (American Honda Motor Co.) is recalling certain 2018-2021, 2023 Acura TLX, 2019-2024 RDX, 2017-2020, 2022-2026 MDX, 2017-2021, 2023, 2025 Honda Ridgeline, 2017-2022 Pilot, 2019-2021 Passport, 2018-2026 Odyssey, 2019-2022 Insight, 2019-2021 HR-V, 2018-2020 Fit, 2020-2022 CR-V Hybrid, 2017-2022 CR-V, 2017-2018, 2021 Civic Type R, 2017-2021 Civic hatchback, 2016-2020 Civic coupe, 2016-2022 Civic, 2017-2022 Accord Hybrid, and 2016-2022 Accord vehicles. The front passenger seat weight sensor may crack and short circuit, which can cause the air bags to deploy unintentionally during a crash.
Air bags that deploy unintentionally during a crash increase the risk of injury.
Dealers will replace the seat weight sensors, free of charge. Owner notification letters were mailed July 7, 2026. Owners may contact Honda's customer service at 1-888-234-2138. Honda's numbers for this recall are BOL, WO9, OOA, WOM, XOH, NOC, POD, BOE, UOF, POB, EOG, AOI, QO8, TOJ, DO7, and SOK. This recall expands previous NHTSA recall number 24V064. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning May 29, 2026.
Campaign 26V332000 on NHTSA.gov
Exterior lightingApr 17, 2025
Honda (American Honda Motor Co.) is recalling certain 2014-2020 Acura MDX vehicles. Moisture may enter the tailgate lid light assembly and wiring harness, which can cause the interior and exterior lights to fail, including the lid lights, position lights, license plate lights and taillights.
Vehicle lights that fail to illuminate can decrease visibility and increase the risk of a crash.
Dealers will inspect the wiring and install a fuse harness, replace the lid light, and repair the body dust sealer, as necessary, free of charge. Owner notification letters were mailed May 30, 2025. Owners may contact Acura's customer service at 1-800-382-2238. Acura's number for this recall is FLI. Vehicles included in this recall that were previously repaired under NHTSA recall number 19V-256 will need to have the new remedy completed.
Campaign 25V259000 on NHTSA.gov
Fuel system, gasoline, delivery, fuel pumpDec 18, 2023
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.
Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.
Dealers will replace the fuel pump module, free of charge. Owner letters were mailed September 6, 2024. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for this recall are KGC and KGD. This recall is an expansion of NHTSA recall numbers 21V-215 and 20V-314.
Campaign 23V858000 on NHTSA.gov
Engine and engine cooling, engine, hard parts internal/mechanicalNov 13, 2023
Honda (American Honda Motor Co.) is recalling certain 2015-2020 Acura TLX, 2016-2020 Acura MDX, 2016 and 2018-2019 Pilot, 2017 and 2019 Ridgeline, and 2018-2019 Odyssey vehicles. Due to a manufacturing error, the connecting rod bearing in the engine may wear and seize, damaging the engine.
A damaged engine may run improperly or stall while driving, increasing the risk of a fire, crash, or injury.
Dealers will inspect and repair, or replace the engine as necessary, free of charge. Owner letters were mailed March 28, 2024. 2016-2017 Acura MDX owner letters were mailed November 1, 2024. 2016-2020 Acura MDX owner letters are expected to be mailed in mid-December 2024. Honda began mailing owner notification letters as of March 18, 2024. 2015-2016 Acura owner letters are expected to be mailed mid-December 2024, 2018 Acura TLX owner letters are expected to be mailed the end of March/early April 2024, 2019 Acura TLX owner letters are expected to be mailed mid-May 2024, 2020 Acura TLX owner letters are expected to be mailed mid-June 2024, and 2016-2020 Acura MDX owner letters are expected to be mailed January 27, 2025. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for these recalls are XG1 and GG0.
Campaign 23V751000 on NHTSA.gov
Engine and engine cooling, engine, gasoline, belts and associated pulleysApr 12, 2019
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.
Teeth separation from the timing belt may result in an engine stall, increasing the risk of crash.
Honda will notify owners, and dealers will inspect the vehicle and replace any affected timing belt free of charge. Vehicles receiving a replacement timing belt will also have the engine inspected and any damaged components will be replaced for free. The recall began June 7, 2019. Honda owners may contact customer service at 1-888-234-2138. Honda's number for this recall is L4M. Acura owners may contact customer service at 1-888-234-2138. Acura's number for this recall is Z4L.
Campaign 19V298000 on NHTSA.gov
Exterior lighting, tail lightsMar 28, 2019
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.
Loss of the taillights reduces the vehicle's visibility, increasing the risk of crash.
Acura will notify owners, and dealers will modify the tailgate lid lights and install updated gaskets and a wiring sub-harness or will replace both tailgate lid lights. The repairs will be performed free of charge. The recall began May 7, 2019. Owners may contact Acura customer service at 1-888-234-2138. Acura's number for this recall is M49.
Campaign 19V256000 on NHTSA.gov
Fuel system, other, delivery, fuel pumpJan 29, 2019
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.
Reduced fuel pump performance can result in an engine stall, increasing the risk of crash.
Honda will notify owners, and dealers will update the fuel injection engine control unit (FI-ECU) software and, if necessary, replace the fuel pump, free of charge. The recall began March 25, 2019. Owners may contact customer service at 1-888-234-2138. Acura's recall number for this recall is P3W. Honda's recall number for this recall is N3X.
Campaign 19V060000 on NHTSA.gov
Service brakes, hydraulic, foundation components, disc, caliperNov 1, 2018
Honda (American Honda Motor Co.) is recalling certain 2017-2019 Acura MDX, 2017-2018 Acura MDX Sport Hybrid, 2018-2019 Honda HR-V and Honda Odyssey, and 2016 Honda HR-V vehicles. The rear brake caliper pistons may have an insufficient coating, causing gas pockets to form, reducing brake performance. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 135, "Light Vehicle Brake Systems."
A reduction of braking performance increases the risk of a crash.
Owners will be notified, and Honda or Acura dealers will bleed the brakes, free of charge. The recall began December 11, 2018. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for this recall are C31 and L30.
Campaign 18V777000 on NHTSA.gov
SeatsApr 5, 2018
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."
In the event of a crash, if the seat does not remain secured to the floor, the seat occupant has an increased risk of injury.
Honda will notify owners, and dealers will replace the driver seat frame assembly in Acura MDX vehicles, and replace the driver and front passenger seat slide rail frames in Honda Pilot and Ridgeline vehicles, free of charge. The recall began May 30, 2018. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for this recall is D0S, and T0T.
Campaign 18V221000 on NHTSA.gov
Representative owner complaints: fuel system
22 reports, newest first. Show all
Fuel system, Gasoline, Power train, Traction control system, Aug 20, 2025
The contact owns a 2018 Acura MDX. The contact stated that while driving 45 MPH, the vehicle lost motive power and stalled, with several unknown warning lights and the traction control warning light illuminated. The contact was unable to restart the vehicle, and the vehicle was towed to the dealer, who diagnosed a failure with the oil pressure switch. The oil pressure switch was replaced; however, the failure persisted. The contact stated that while driving approximately 70 - 75 MPH, the vehicle unintentionally decelerated to 40 - 45 MPH. The accelerator pedal was pumped until the vehicle accelerated with a crunching sound coming from the vehicle. The contact stated that the remote start failed to operate as designed occasionally. The vehicle was taken to a certified mechanic and was diagnosed with transmission failure; however, the vehicle was not repaired. The vehicle was taken to the dealer approximately 7 to 8 times due to the failure. The contact stated that the fuel pump was replaced; however, the failure persisted, and the transmission had experienced total failure. The contact was informed that the transmission needed to be replaced. The dealer informed the contact that the VIN was not included in NHTSA Campaign Number: 23V858000 (Fuel System, Gasoline), and the vehicle had exceeded the mileage for the transmission repair under warranty. The vehicle was not repaired. The manufacturer was informed of the failure and opened a case. The failure mileage was approximately 40,000.
Engine and engine cooling, Fuel system, Gasoline, Jun 13, 2025
The contact owns a 2018 Acura MDX. The contact received notifications of NHTSA Campaign Numbers: 23V858000 (Fuel System, Gasoline) and 23V751000 (Engine and Engine Cooling). The contact stated that while driving at 30 MPH, the vehicle jerked and hesitated and failed to accelerate as intended while depressing the accelerator pedal. No warning lights were illuminated. The local dealer was not contacted, and the vehicle was not repaired. The contact stated that the failure persisted. The contact stated that on a separate occasion, while exiting a parking lot and driving 5 MPH, the vehicle unintendedly accelerated. The contact stated that several minutes later, the vehicle functioned as intended. No warning lights were illuminated. The local dealer was contacted. The vehicle was not repaired after the most recent failure. The contact stated that the failure persisted. The manufacturer was not made aware of the failure. The failure mileage was approximately 65,000.
Engine and engine cooling, Fuel system, Gasoline, Mar 3, 2025
The contact owns a 2018 Acura MDX. The contact received notifications of NHTSA Campaign Numbers: 23V858000 (Fuel System, Gasoline) and 23V751000 (Engine and Engine Cooling); however, the parts to do the recall repairs were not yet available. The contact stated that occasionally while attempting to accelerate from a stop, the vehicle occasionally stalled while the accelerator pedal was depressed. No warning lights were illuminated. The local dealer was contacted. The vehicle was not repaired. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the failure. The failure mileage was approximately 100,000. Parts distribution disconnect.
Engine and engine cooling, Fuel system, Gasoline, Dec 30, 2024
The contact owns a 2018 Acura MDX. The contact received notification of NHTSA Campaign Number: 23V858000 (Fuel System, Gasoline) and 23V751000 (Engine and Engine Cooling); however, parts to do the recall repair were unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.
Engine and engine cooling, Fuel system, Gasoline, Dec 19, 2024
The contact owns a 2018 Acura MDX. The contact stated that while driving at undisclosed speeds, the vehicle failed to accelerate as needed. The accelerator pedal was depressed, but the vehicle hesitated. Additional pressure was applied, and the accelerator pedal was depressed to the floorboard. There were no warning lights illuminated. The contact received notification of NHTSA Campaign Numbers: 23V858000 (Fuel System, Gasoline) and 23V751000 (Engine and Engine Cooling); however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The failure mileage was approximately unknown. Parts distribution disconnect.
Engine and engine cooling, Fuel system, Gasoline, Dec 10, 2024
The contact owns a 2018 Acura MDX. The contact received notifications of NHTSA Campaign Numbers: 23V751000 (ENGINE AND ENGINE COOLING) and 23V858000 (FUEL SYSTEM, GASOLINE); however, the parts to do the recall repairs were unavailable. The local dealer was contacted and confirmed that parts were not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.
Fuel system, Gasoline, Dec 6, 2024
The contact owns a 2018 Acura MDX. The contact stated while driving at various speeds, there was a loud vibrating noise coming from the vehicle. There was no warning light illuminated. The contact had received notification of NHTSA Campaign Number: 23V85800 (FUEL SYSTEM, GASOLINE); and the vehicle was taken to the dealer where the recall repair was performed; however, the failure persisted. The vehicle was taken to an independent mechanic where a diagnostic test was performed, and the contact was informed that the other fuel pump that was not included in the recall was probably the cause of the failure. The dealer and the manufacturer were notified of the failure but offered no assistance. The vehicle was not repaired. The failure mileage was approximately 100,500.
Fuel system, Gasoline, Nov 26, 2024
The contact owns a 2018 Acura MDX. The contact received notification of NHTSA Campaign Number: 23V858000 (Fuel System Gasoline); however, the part to do the recall repair was not yet available. An unknown local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.
Fuel system, Gasoline, Nov 14, 2024
The contact owns a 2018 Acura MDX. The contact received notification of NHTSA Campaign Number: 23V858000(Fuel System, Gasoline); however, the part to do the recall repair was not yet available. The contact stated that the vehicle was experiencing intermittent engine hesitation was driving. The local dealer was contacted. The vehicle was not diagnosed or repaired. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the failure. The failure mileage was approximately 87,000. Parts distribution disconnect.
Fuel system, Gasoline, Oct 24, 2024
The contact owns a 2018 Acura MDX. The contact received notification of NHTSA Campaign Number: 23V858000 (Fuel System, Gasoline); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.
Fuel system, Gasoline, Oct 22, 2024
The contact owns a 2018 Acura MDX. The contact received notification of NHTSA Campaign Number: 23V858000 (Fuel System, Gasoline); however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was made aware of the issue and confirmed that parts were not yet available. The manufacturer was made aware of the issue and confirmed that parts were not yet available. The contact had not experienced a failure. Parts distribution disconnect.
Fuel system, Gasoline, Sep 16, 2024
The contact owns a 2018 Acura MDX. The contact received notification of NHTSA Campaign Number: 23V858000 (Fuel System, Gasoline); however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was made aware of the issue and confirmed that parts were not yet available. The manufacturer was made aware of the issue and confirmed that parts were not yet available. The contact had not experienced a failure. Parts distribution disconnect.
Engine and engine cooling, Fuel system, Gasoline, Sep 3, 2024
The contact owns a 2018 Acura MDX. The contact received notifications of NHTSA Campaign Numbers: 23V858000 (Fuel System, Gasoline) and 23V751000 (Engine and Engine Cooling); however, the parts to do the recall repairs were unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.
Fuel system, Gasoline, Aug 7, 2024
See attached document for complaint
Fuel system, Gasoline, Jun 3, 2024
The contact owns a 2018 Acura MDX. The contact received notification of NHTSA Campaign Number: 23V858000 (Fuel System, Gasoline); however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was made aware of the issue and confirmed that parts were not yet available. The manufacturer was made aware of the issue and confirmed that parts were not yet available. The contact had not experienced a failure. Parts distribution disconnect.
Engine and engine cooling, Fuel system, Gasoline, May 30, 2024
The contact owns a 2018 Acura MDX. The contact received notification of NHTSA Campaign Numbers: 23V858000 (Fuel System, Gasoline) and 23V751000 (Engine and Engine Cooling); however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was made aware of the issue and confirmed that parts were not yet available. The manufacturer was made aware of the issue and confirmed that parts were not yet available. The contact had not experienced a failure. Parts distribution disconnect.
Engine and engine cooling, Fuel system, Gasoline, May 1, 2024
The contact owns a 2018 Acura MDX. The contact received notification of NHTSA Campaign Numbers: 23V858000 (Fuel System, Gasoline) and 23V751000 (Engine and Engine Cooling) however, the parts to do the recall repairs were not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repairs. The manufacturer was made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.
Engine and engine cooling, Fuel system, Gasoline, Mar 11, 2024
The contact owns a 2018 Acura MDX. The contact stated while driving approximately 40 MPH, the vehicle made an abnormal rattling sound. The contact stated that the failure had been recurring intermittently. There was no warning light illuminated. The vehicle was taken to the dealer, where it was test-driven; however, the dealer informed the contact that they could not duplicate the failure. The contact later received notification of NHTSA Campaign Number: 23V751000 (Engine and Engine Cooling) which she related to the failure; however, the part to do the recall repair was not yet available. Additionally, the contact received notification of NHTSA Campaign Number: 23V858000 (Fuel System, Gasoline); however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repairs. The manufacturer was not made aware of the failure. The failure mileage was approximately 50,000. Parts distribution disconnect.
Engine and engine cooling, Fuel system, Gasoline, Mar 6, 2024
The contact owns a 2018 Acura MDX. The contact received notification of NHTSA Campaign Number: 23V858000 (Fuel System, Gasoline) and 23V751000 (Engine and Engine Cooling) however, the part to do the recall repair was not yet available. The local dealer was not contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.
Engine and engine cooling, Fuel system, Gasoline, Jan 22, 2024
The contact owns a 2018 Acura MDX. The contact received notifications of NHTSA Campaign Numbers: 23V858000 (Fuel System, Gasoline) and 23V751000 (Engine and Engine Cooling) however, the parts to do the recall repairs were not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repairs. The manufacturer was made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.
Fuel system, Gasoline, Engine and engine cooling, Jan 11, 2024
The contact owns a 2018 Acura MDX. The contact received notification of NHTSA Campaign Numbers: 23V858000 (Fuel System, Gasoline) and 23V751000 (Engine and Engine Cooling) however, the parts to do the recall repairs were not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.
Fuel system, Gasoline, Feb 24, 2023
The contact owns a 2018 Acura MDX. The contact stated while driving at an undisclosed speed, the accelerator pedal was depressed, which caused the vehicle to lunge forward. Additionally, several unknown warning lights were illuminated. The vehicle was taken to an independent mechanic, where it was diagnosed with a faulty fuel system. The manufacturer was made aware of the failure. The failure mileage was approximately 50,000.