*Median odometer reading when the problem happened, where owners gave one. One complaint can name several problem areas.
Electrical system › Instrument panel › Speedometer/odometer
Odometer Fraud. The contact purchased a 2018 Acura MDX on August 26, 2026. While registering the vehicle, the contact was informed that the previous title indicated that the odometer was reported at 277,000. The vehicle was a private sale. At the time of purchase, the mileage was 77,000.
Aug 26, 2026 · 277,000 milesForward collision avoidance › Adaptive cruise control
All the light light up
Sep 30, 2026Fuel system, gasoline
The contact owns a 2018 Acura MDX. The contact stated that while driving at an undisclosed speed, the vehicle lost motive power but was able to restart. On another occasion, while the contact's husband was driving 10 MPH, the vehicle lost motive power in the middle of the highway. The vehicle was unable to restart, and the contact's husband had to push the vehicle to the side of the road. The vehicle was towed to a service center, where it was diagnosed with fuel pump failure. The contact was informed that the fuel pump needed to be replaced. The vehicle was repaired. The manufacturer was made aware of the failure by telephone. The failure mileage was approximately 136,000.
Sep 1, 2026 · 136,000 milesUnknown or other
Hi I'm very disappointed because my 2018 Acura MDX got stolen on 8/11/25.. Unbelievable because got stolen from my driveway and i had a keys ..also it was super quick because my neighbors camera recorded the moment.. I need some recompensation because it's unbelievable how weak security Acura MDX and tlx has because last Saturday my son's 2020 Acura tl got stolen from his house same thing he has car keys but Acura is gone do something ASAP
Aug 11, 2025Forward collision avoidance › Adaptive cruise control
The vehicle was being driven and the dashboard was lit up with all the systems in error related to ACC (Adaptive Cruise Control)
Sep 11, 2026Seats
driver seat rocking. Acura stated 2018 recall for this issue was vin number specific and does not include my vehicle however this is the issue with my driver seat. they advise repairs at my expense.
Jan 1, 2024Engine and engine cooling
The contact owns a 2018 Acura MDX. The contact stated that while driving at various speeds, the vehicle went into LIMP Mode and failed to exceed 35-60 MPH. The check engine warning light was flashing. The driver pulled over to the side of the road. The vehicle was restarted, reset, and operated as intended. The vehicle was taken to the dealer, where the failure could not be duplicated, and the failure persisted. The contact's brother, a certified technician, advised the contact not to turn off the vehicle after the failure occurred to prevent the system from resetting. The contact followed the instructions, and the contact's brother retrieved DTC: P0304, indicating a cylinder 4 misfire. The…
Jul 24, 2026 · 87,000 milesLane departure › Warning
The car has started with an auto high beam, lane assist, lane departure, crash mitigation, adaptive cruise lights coming on one after the other noting there are issues with the systems and they are disabled. Code is U3000 using a scanner noting Multipurpose Camera Unit Internal Electronic Failure. Sometimes the code will clear, and sometimes not. If it clears an entire drive cycle may be completed just fine, sometimes it pops back up before even moving the car and sometimes during the drive. This is a safety concern as these systems not working or stopping working mid drive and affect safety. The repair for this is not clear and a failure of a safety system should not be occurring on cars…
Jul 24, 2026
Owner complaints are submitted to NHTSA by the public and are not verified. Shown as filed (NHTSA removes personal details); long reports are shortened.