Acura MDX Complaints

3,381 consumer complaints on file.

#11656721April 25, 2025
ELECTRICAL SYSTEM, FORWARD COLLISION AVOIDANCE: WARNINGS, LANE DEPARTURE: ASSIST
Lane Keep assist, adaptive cruise control, forward collision warning all stopped working and received error codes. Dealership stated camera was faulty and needed to be replaced at my cost. Continued issues with electrical systems where the car alarm will go off intermittently, and vehicle will not lock unless manually locking. Dealership stated smart control unit needs to also be replaced at my cost. part number for control unit #38320 was issued by honda motor company service bulletin 21-055 for their honda ridgeline. Acura Dealer will not honor since part number does not specify acura. Part issued in Service bulletin is 38320-T6Z-A11 (honda ridgeline) part needed to be replaced by acura is 38320-TRX-A11. Other service bulletins related to original issues: 20-015, 19-005, 23-008, and 24-022 and safety recall report 23V-751. Dealership is still placing responsibility of repair of defective parts on car owner.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11656460April 23, 2025
ENGINE
While driving on the interstate, the engine suddenly lost power and a lot of malfunction indicator lights turned on. Driver was able to pull over without incident. Mechanic reported the engine had failed due to loss of oil pressure. The engine had to be replaced.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11656007April 22, 2025
ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER
Odometer Fraud. The contact purchased a 2012 Acura MDX. The contact stated that while attempting to register the vehicle, it was discovered that there was a mileage discrepancy. The vehicle was a dealer sale. At the time of purchase, the vehicle mileage was 126,000 and at the time of registration, it was discovered that the mileage was 159,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11655948April 21, 2025
POWER TRAIN
SO my car had a torque converter recall at some point i was not notified of it to get it fixed. as such i drove it across the us and ended up making the transmission slip so bad that it would not go into gear anymore. since this i have taken it a dealership where the recall was performed after the fat and now they want me to buy a new transmission.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11655628April 19, 2025
FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL, FORWARD COLLISION AVOIDANCE: WARNINGS, LANE DEPARTURE: WARNING
Faulty Windshield camera. which fails due to overheating. and sets off problem lights on the dashboard. lane keep assist , lane departure, brake problem. this seems to be a common problem with this faulty design. to replace this part is $2,000 which who knows if it will fail again. so know one is forced to drive around with the constant problem lights and the uneasy feeling of not having brake assistance when and if needed. this puts not only the driver and passengers lives at risk but the lives of the public.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11655410April 18, 2025
UNKNOWN OR OTHER
Electric Parking Brake light and Emissions System light popped up at the same time. Replaced the battery the lights gone immediately for weeks, but reappears again. Disconnected the battery and reconnected it the lights gone for one month and came back again. Search online there are a lot of similar situations. The dealer replaced parts but the issue stated. There must be some malfunctions of the ECU or something else.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11655361April 18, 2025
ELECTRICAL SYSTEM
The contact owns a 2024 Acura MDX. The contact stated that while driving approximately 10-15 MPH and coming off an off-ramp, the vehicle suddenly stalled. The contact noticed that the instrument panel had flashed red. The contact called for AAA Roadside Assistance. The contact stated that AAA Roadside Assistance arrived on the scene and inspected the vehicle, and became aware of corrosion on the copper wire terminal connected to the battery. The vehicle was towed to the dealer, but the vehicle was not diagnosed or repaired. The manufacturer was not informed of the failure. The failure mileage was 9,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11653830April 10, 2025
ENGINE, POWER TRAIN
Our engine started making a loud knocking noise that was clearly not good. We had a friend who is a mechanic come put it on the computer and he diagnosed that the rocker arm took out some valves or lifters. He looked up the car and found a recall for our make and model (2017 MDX with the 3.5L engine) that matches our exact issue. But the VIN does not appear in the search so our car is not covered by the recall despite it clearly being caused by the defect. I understand that there is an investigation into this that the NHTSA opened and Honda has been pushing for extensions. I was encouraged to add our car to this list to help you all see that the problem is much larger than originally thought. We are in a very tough spot and do not have the $5-10k to replace the engine. If the recall is not expanded soon, our only hope is that we get a goodwill repair. We have requested this, but are waiting to hear back from the dealer. Thank you for looking into this. I’m sure we are not the only people in a tough financial spot being affected by this. We appreciate your efforts to protect consumers!
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11653865April 10, 2025
ENGINE, FUEL/PROPULSION SYSTEM
Car has two unrepaired recalls. ( Please refer to your site)Fuel pump is never available, needs to be ordered. Recall related to engine bearings, crankshaft and other essential parts has not been repaired to any MDX in Puerto Rico. A year and a half after notifying recall the Dealer informs that Acura is developing a tool to diagnose damage. No date to repair situation is available. Permanent damage to engine can be in progress while original warranty expired during waiting period and private extended warranty will soon expire. Possible solution may involve engine replacement, separating engine from transmission, gaskets, seals and other related parts not included in the recall. Both recalls are a safety concern. Your assistance is appreciated. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11653622April 9, 2025
ELECTRICAL SYSTEM, POWER TRAIN
The contact owns a 2020 Acura MDX. The contact stated that while driving in Comfort Mode at approximately 40 MPH and attempting to accelerate to change lanes, the vehicle stalled for several minutes before accelerating. There were no warning lights illuminated. The vehicle hesitated to start intermittently, and the failure was more frequent over time. The vehicle was taken to the dealer, who diagnosed that the battery had failed. The battery was replaced, and the vehicle was remedied under the NHTSA Campaign Number: 25V031000 (Fuel System, Gasoline, Electrical System). The failure reoccurred. The vehicle was returned to the dealer, and the contact stated that the vehicle was shaking abnormally while accelerating; however, the dealer had not diagnosed the vehicle a second time. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was 48,193.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11653717April 9, 2025
ENGINE AND ENGINE COOLING
See attached document for complaint.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11653577April 9, 2025
SERVICE BRAKES, FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
I was pulling into a friend’s driveway. I had my foot on the brake was barely creeping forward. Without any yellow warning, the car slammed on the brakes for me. It hit the brakes so hard, I had smoke coming out of my front, middle vents and when I got out of the car, it smelled very bad and I had smoke coming from my brakes. There was nothing in front of me. The same incident also happened to my husbands few days earlier while he was pulling into our garage.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11653150April 7, 2025
ENGINE
Email Acura did an update to software for vehicle stalling, but the problem isn't fixed. I have notified the dealer twice and no return call. I am a widow, travel alone and am afraid this vehicle will fail when I'm alone. I was slowing to stop at a stop sign and the car just shut off.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11653206April 7, 2025
POWER TRAIN
Vehicle started having issues just a couple of years after purchase (acquired brand new as a Lease which I later purchased when the Lease was up), in the beginning it was mostly at low speeds, but it would occasionally happen at higher speeds as well. You could feel it having hesitation when shifting gears. Took it to the dealer at around the 30K miles due for service (May of 2019). Had the transmission fluid replaced, dealer noted some "debris" was found. The problem quickly showed up again soon after this service, so the vehicle was brought back to the dealer for further checkup a couple of times, the result was always the same, no problem found, and the vehicle was OK to drive. I have lived with this problem ever since and on occasion it got even worse at higher speeds (around 65mph) when the gears seemed to go to neutral for a few seconds and then re-engage again on its own. Knowing that the car had always acted funny and the fact that the dealer never found any issues, I thought it must be more of the same. Finally, a couple of weeks ago (March 25 of 2025) the transmission gave up completely while my wife was driving the car, luckily it was not in a highway, she had enough time to pull to the side of the road but once the car stopped, it would not get into gear again. I have called the dealer for assistance, but they tell me the car is not under warranty anymore and there is no recall pending for this VIN, they could take it in, but the repairs would not be covered by them. This has prompted me to look into the issue further and found out that Acura issued a service bulleting number 17-026 back in 2018 which describes the same symptoms as what I describe above, they extended the warranty to 10 years but when I called them they say that it does not apply to my VIN because of a different manufacturing location (despite the fact that the symptoms are the same). Came to find out that other owners have had the same issue over the years.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11653259April 7, 2025
FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL, FORWARD COLLISION AVOIDANCE: WARNINGS, LANE DEPARTURE: WARNING
### 1. **What component or system failed or malfunctioned, and is it available for inspection upon request?** The rearview camera system in my 2020 Acura MDX has malfunctioned. The camera, which is integral to several safety systems in the vehicle, has failed, causing significant safety concerns. The vehicle is available for inspection by an Acura dealership or independent service center upon request. ### 2. **How was your safety or the safety of others put at risk?** The malfunction of the rearview camera directly impacts the **Collision Mitigation Braking System (CMBS)**, **Adaptive Cruise Control (ACC)**, and **Lane Departure Warning (LDW)** systems. These systems rely on cameras and sensors to detect obstacles, maintain a safe following distance, and alert the driver when switching lanes. Without the proper function of the rearview camera, these safety systems become unreliable, increasing the risk of head-on collisions, rear-end accidents, or unintended lane changes, which could lead to a serious crash. Furthermore, the area surrounding the malfunctioning camera becomes dangerously hot, posing a burn risk when touched, which adds another safety hazard. 3. Has the problem been reproduced or confirmed by a dealer or independent service center? Yes I have taken the vehicle to a dealership for a formal inspection, I have confirmed the issue through the consistent malfunctioning of the camera. The overheating and failure of the camera have been present since the issue began, and I have communicated this to Acura's customer service. 4. Has the vehicle or component been inspected by the manufacturer, police, insurance representatives, or others? The vehicle has been inspected by the manufacturer beyond the initial communication with Acura’s customer service. No inspection has been conducted by the police or insurance representatives. However, I have made Acura aware of the problem, and the customer service team, led by Account Manager Monica
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11653026April 6, 2025
ENGINE, UNKNOWN OR OTHER
My Acura MDX 2020 had an issue in which the automatic start-stop system sometimes not manage to start the engine after stopping.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11653027April 6, 2025
UNKNOWN OR OTHER, ENGINE, STEERING
I stopped at a red light and when I went to pull of the car cut off. I had to restart the car to pull off. This is the second time that this has happened.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11652881April 4, 2025
ELECTRICAL SYSTEM, LANE DEPARTURE: WARNING, LANE DEPARTURE: BLIND SPOT DETECTION
My Vehicle intermittently fails to go into "Drive" when pressing the gear shift button. Additionally, various warning messages appear at random, including: Lane Keeping Assist Problem, & Road Departure Mitigation System Problem. I have brought my vehicle to DCH Montclair Acura#709, located at 100 Bloomfield Ave, Verona, NJ 07044, on January 10, 2025, February 18, 2025, and March 13, 2025. Despite these visits and an inspection conducted by my extended warranty provider, the problem continues. On [XXX], while my daughter was a passenger, the vehicle once again failed to shift into drive when pressing the "D" button. This incident, like others before it, occurred without warning and reinforces my growing concern about the safety and reliability of the vehicle. I am now afraid to drive the car, unsure when it might fail again. I respectfully request that Acura take immediate and decisive action to investigate and resolve this issue. If a reliable repair cannot be made, I would like to discuss alternative remedies such as vehicle replacement of buyback under applicable warranties and safety protections
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11652442April 2, 2025
ENGINE
I drive a 2016 Acura MDX, with less than 80K mileage. My car has an idle stop feature which was not working and I was having trouble starting my car in the mornings when it was cold. I assumed the battery was getting low, replaced to a new battery and the idle stop began working again momentarily. However, after coming to a stop and the idle stop feature engages, the vehicle was not always automatically restarting. More than once a day it turns off engine as intended with idle stop, but then my car shifts into Neutral and the engine fully dies. I'm left at stop lights or stop signs with a car that is off and will not restart. The last instance I was almost hit by a car when the light turned green and I could not drive forward. I have to shift into park, turn the on/off button, press my foot on the brake and push on/off button 2-3 times to get the car to start back up. All of this on a battery that’s less than a week old. More often then not the idle stop is not working at all. I’m left with a message on my dashboard “auto engine idle stop unavailable.” My VIN was not listed under the Acura SB to “update the PGM-FI software that may affect the idle stop operation and starter under certain conditions.”
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11651951April 1, 2025
POWER TRAIN, ELECTRICAL SYSTEM
Start n stop button not working right shuts off and hard to start
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0

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