Owner-reported complaints naming the brake system, filed with NHTSA
Data refreshed
Brakes reportsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
22
Latest Oct 29, 2025
Share of all reportsThis category as a share of every owner report on file for this model year. One report can name more than one component, so the categories overlap.
9%
of 249 total
Crash or fire reportedReports in this category whose submitter recorded that a crash or a fire occurred. The reporter's own answer on the NHTSA form, not a verified finding.
3
Injuries or deaths reportedTotals the submitters entered on their own reports in this category. Not verified by NHTSA and not a casualty statistic.
1
What this page shows
Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake. Every record below is an owner-reported complaint about the 2017 Acura MDX submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 22 reports on file name it.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Owner reports naming brake
Shown in the owner’s own words, exactly as filed
Brakes
Filed Oct 29, 2025
I was stopped, my vehicle brake stopped working after being stopped on a road at a traffic light behind a semi truck. My vehicle crawled slowly forward, it would not stop (like the car wash pace). My brake would not work, I tried putting car in park to stop it moving. It proceeded to ram into the semi in front of me and keep trying to go forward until the light turned green and the semi drove away at that point I was able to drive my car and pull off the road and my brake began to work when I pulled off. It completely stopped working when I was on a busy road and caused the accident. It could have been much worse if I was not stopped already.
NHTSA ID
11696421
Incident
Oct 29, 2025
BrakesElectricalEngine
Filed Jun 13, 2025
I was driving on the road and an electronic parking error light came up, along with emissions error. I pulled over to the side and I could not start the vehicle and the gears won’t shift
NHTSA ID
11666861
Incident
Jun 13, 2025
BrakesDriver assistanceElectrical
Filed Feb 23, 2025
There are warning lights for all safety modules, The LKAS, Headlight warning system accident prevention system, collision avoidance system etc..
NHTSA ID
11644349
Incident
Feb 2, 2024
BrakesDriver assistanceElectrical
Filed Jan 27, 2025
There is an active recall on the brake calipers and fuel pump for Acura Mdx 2017, and Hondas. My Acura Mdx 2017 has the same issues with a code of p07e4, which is the brake calipers. When looking up the recall of my car, there is no recall on it when inserting the VIN. My car is an Acura Mdx 2017; I do not understand why it is not included in the recall when it should.
NHTSA ID
11638921
Incident
Jan 25, 2025
BrakesElectricalFuel system
Filed Jan 15, 2024
While driving the car started to loose momentum and began stuttering until finally stopping abruptly and applying the electronic braking system. All warning alarms were illuminated on the dash. I was not even able to pull over completely off the road either putting me and my family in danger from not being off the road. Acura dealership service center informed me it was a bad high pressure fuel pump located on the engine block itself. There are recalls for this exact part neginnibg from 2018 on the acura MDX model. My model is a 2017 making me wonder if the recall should include earlier year models of acura mdx.
NHTSA ID
11565644
Incident
Jan 14, 2024
BrakesDriver assistanceElectrical
Filed Jul 21, 2023
Driving in rain and multiple systems failed at once without any reason. Car indicates brake systems, lane assistance, power steering, collision mitigation, stability control, etc all indicate problems. No reason for it to all go out at once.
NHTSA ID
11533670
Incident
Jul 20, 2023
BrakesElectricalPowertrain (other)
Filed Sep 29, 2022
My 2017 Acura MDX has many issues with both the transmission and electrical. It has an issue shifting between gears, makes a loud sound like metal on wash board, then loses power for 3-5 seconds. I went to put the car in drive and it would not go in drive recently. I've now had to replace the transmission at 79,006 miles. The electrical system lights up when driving telling me my electronic parking brake has been engaged and also that there is emission system issues. My daughter was terrified and crying since i had a loss of power at the same time my dash lit up and I had to get across 5 lanes of traffic to the shoulder of road. The towing company had to remove battery cable to get my electric parking break to release. This is a dangerous and scary automobile
NHTSA ID
11487050
Incident
Sep 22, 2022
Brakes
Filed Jul 18, 2022
When applying brakes, irrespective of speed at which I am traveling, I experience a distinct vibration/judder in the front brakes when applying the brakes on my 2017 Acura MDX.
NHTSA ID
11474571
Incident
Jul 18, 2022
BrakesDriver assistance
Filed Feb 24, 2022
This morning I read that you were investigating the automatic braking for certain Honda models. I have had this same thing happen with my 2017 Acura MDX several times over the past few years. I would be driving (not following another car), and my car would suddenly brake and flash "Brake" on the screen, without my doing anything. Both times, I attributed the issue to driving into a bright sun, but I am not sure. It did not cause an accident and it was not a big deal, but the last time (about 3 months ago) I remember braking and being nervous about someone else read ending me...when I tried to accelerate I was unable to do so.
NHTSA ID
11453855
Incident
Dec 15, 2021
BrakesDriver assistance
Filed Jan 8, 2022
Cruise control set to 37 mph, vehicle accelerates to almost 50 mph on downhill without braking.
NHTSA ID
11446724
Incident
May 15, 2018
Brakes
Filed Nov 21, 2021
The vehicle put emission system and electronic parking brake warning lights on panel, allowed vehicle to be placed in drive "D", then suddenly switched to a flashing "P," stalled in parking lot, and would not allow the vehicle to be changed to any other gear.
NHTSA ID
11441224
Incident
Nov 21, 2021
BrakesElectricalEngine
Filed Oct 14, 2021
While driving suddenly all error warnings came up. It included Check Engine Light, Error messages included: Electronic Braking System error, Emission System error. The light indicative of parking P! kept blinking also the (P) came up on the dashboard. Interestingly after some time this all cleared on its own. Then came back again only this time it stayed on. I don't know if this has compromised the safety features of the vehicle including emergency braking (crash avoidance/vehicle proximity)
NHTSA ID
11436862
Incident
Oct 1, 2021
BrakesEnginePowertrain (other)
Filed Apr 15, 2021
TL* THE CONTACT OWNS A 2017 ACURA MDX. THE CONTACT STATED THAT WHILE DRIVING AT 45 MPH, THE VEHICLE STALLED AS THE EMISSION AND PARKING BRAKE WARNING LIGHTS ILLUMINATED ON THE INSTRUMENT PANEL. THE CONTACT STATED THAT AFTER EXPERIENCING THE FAILURE, THE VEHICLE RESUMED NORMAL OPERATION AS THE WARNING REMAINED ILLUMINATED ON THE INSTRUMENT PANEL. THE CONTACT THEN TOOK THE VEHICLE TO LINDSAY ACURA (5880 SCARBOROUGH BLVD, COLUMBUS, OH 43232) WHERE THEY WERE UNABLE TO DUPLICATE OR DIAGNOSE THE FAILURE. THE MECHANIC CLEARED THE WARNING LIGHTS OFF THE INSTRUMENT PANEL. THE CONTACT STATED THAT THE FAILURE PERSISTED SOON AFTER THE RETURN OF THE VEHICLE. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS UNKNOWN.
NHTSA ID
11408246
Incident
Mar 15, 2021
BrakesDriver assistanceElectrical
Filed Apr 2, 2021
WHILE DRIVING ON NORMAL ROAD WITH NO OTHER CARS AROUND, THE EMERGENCY BRAKING SYSTEM/FORWARD COLLISION ACTIVATED AND IMMEDIATELY STOPPED MY CAR WITH NO DANGER PRESENT. THIS RESULTED IN THE CAR BEHIND ME SWERVE TO AVOID HITTING ME IN THE REAR. NO WARNING LIGHTS WERE ON THE DASH OR NO AUDIBLE WARNING EITHER. THIS SEEMS TO BE A MALFUNCTION IN THE SYSTEM.
NHTSA ID
11406064
Incident
Apr 1, 2021
Mileage
80,000 mi
BrakesDriver assistanceElectrical
Filed Mar 18, 2021
INCIDENT #2 DRIVING DOWN CITY STREET APPROACHING AN INTERSECTION. NO CAR IN FRONT AND NO CAR BEHIND. IN THE MIDDLE OF THE INTERSECTION THE CAR AUTO BRAKES TO A COMPLETE STOP BEFORE RELEASING BACK TO NORMAL. IF A CAR WERE BEHIND ME I WOULD HAVE MOST SURELY BEEN REAR ENDED.
NHTSA ID
11403766
Incident
Mar 17, 2021
Mileage
43,060 mi
BrakesDriver assistanceElectrical
Filed Sep 26, 2019
SINCE OWNERS AND ON 4 SPECIFIC OCCASIONS. WHILE DRIVING AT HIGH SPEED UPON ACCELERATION AT 70 MPH AUTO WENT DEAD. LOST ALL POWER. AFTER EIGHT MINUTES AUTO RESTARTED. 9 MONTHS AGO, WHILE PLACED INTO REVERES TO AUTO SELF ACCELERATED T HIGH SPEED. AFTER BRAKES APPLIED AND VEHICLE PLACED INTO DRIVE VEHICLE ACCELERATED AT A HGH RATE OF SPEED. LOCK BRAKES PUT VEHICLE INTO NEUTRAL RESTARTED. ONE MONTH AGO WHILE TURNING LEFT INTO TRAFFIC AT A MAJOR INTERSECTION, CAR BRAKES APPLIED AWAITING LEFT TURN AGAINST TRAFFIC. WENT TO ACCELERATE, CAR DASH LIGHTS WENT WILD ALL BEGIN BLING RAPIDLY, DASH WENT BLACK, ABS BRAKES AND BRAKE PEDAL WENT TO FLOOR CAR WENT BY ITSELF INTO NEUTRAL. TOOK OVER 8 MINUTES TO RESTART. ON 9/24.19 TUESDAY AT 1:41 PM WHILE TRAVELING WEST BOUND ON INTERSTATE 90, AT 74 MPH WHILE PASSING A SEMI TRUCK AS I PASSED THE TRUCK, WITH A CLEAR DISTANCE AND PROCEEDED TO TURN INTO THE RIGHT DRIVING LANE IN FRONT OF THE TRUCK AS I PULLED RIGHT THE VEHICLE DASH WENT BLACK, THE ABS AND BRAKE PEDDLE WENT TO THE FLOOR AND THE CAR DECELERATED RAPIDLY FROM 74 TO 50 MPH WITHIN A SECOND. THE SEMI LOCKED THE BRAKES TO AVOID A SERIOUS REAR END COLLISION. AS I REACHED 50 MPH THE DASH RE LITE AND ALL INSTRUMENTATION APPEAR TO FUNCTION AND AS I PUSHED DOWN ON THE ACCELERATOR THE VEHICLE REGAINED SPEED. I CAN REPORT PERHAPS 15 TO 20 OTHER MAJOR ITEMS WITH COLLISION AVOIDANCE AND ELECTRONIC DASH ABNORMALITIES. THE VEHICLE HAS BEEN IN THE ACURA SHOP MINIMALLY 15 TO 20 TIMES OVER 24 MONTHS TO NO AVAIL. ACURA REPORTS SOFTWARE UPDATES OR BAD BATTERY CAUSING LOW VOLTAGE SIGNALS. THIS VEHICLE IS DANGEROUS AND IF NOT ADDRESSED WILL CAUSE DEATH.
NHTSA ID
11258285
Incident
Sep 24, 2019
Mileage
40,900 mi
BrakesDriver assistanceElectrical
Filed Sep 9, 2019
SPEED CONTROL WOULD NOT ENGAGE. THIS HAS HAPPENED BEFORE. AUTO BRAKES ENGAGED WHILE DRIVING DOWN CITY STREET AT 40 MPH IN OUTSIDE LANE OF 4 LANE ROAD. NO CARS IN FRONT OR IMMEDIATELY TO MY LEFT. FORTUNITLY THERE WERE NO CARS/TRUCKS BEHIND ME. CAR CAME TO SUDDENED STOP ENGAGING THE SEAT BELTS. AFTER STOPPING I PUT PUT ON GAS AGAIN AND DROVE 2 MORE BLOCKS BEFORE I PARKED CAR FOR 2+ HOURS. CALLED DEALERSHIP & DROVE TO SERVICE DEPARTMENT FOR REPAIR. DEALER KEPT CAR OVERNIGHT AND SAID THERE WERE NO ISSUES THEY COULD FIND BY DRIVING OR CHECKING DIAGNOSTIC COMPUTER RECORDS. SO THERE WAS NOTHING THEY COULD DO. THESE ELECTRICAL ISSUES HAVE APPEARED AND COULD NOT BE DUPLICATED IN THE PAST 20 MONTHS......1 - SUDDENDED EMERGENCY BRAKING - 1X, SPEED CONTROL NOT ENGAGING - 3 TIMES, PASSENGER SIDE MIRROR NOT CLOSING - 10+ TIMES, CAR LOCKING OR NOT UNLOCKING DOORS WITH KEY INSIDE CAR - 3 TIMES. ONCE WILL AT AIRPORT AND WITH CAR RUNNING.
NHTSA ID
11254064
Incident
Aug 31, 2019
Mileage
27,000 mi
BrakesEngine
Filed May 2, 2019
I HAVE BEEN COMPLAINING FOR TWO YEARS THAT MY CAR INTERMITTENTLY HESITATES WHEN ACCELERATING. I HAVE PULLED OUT INTO TRAFFIC AND MY CAR HAS HESITATED LONG ENOUGH THAT I'VE ALMOST GOT SLAMMED IN THE BACK BY ANOTHER CAR. THE CAR FEELS LIKE IT IS ABOUT TO STALL. I WILL PRESS THE GAS PEDAL DOWN TO THE FLOOR AND FINALLY THE CAR STARTS MOVING AGAIN. BROUGHT THE CAR IN ON SEVERAL OCCASIONS TO ACURA AND SINCE THEY COULD NOT REPRODUCE THE HESITATION, THEY DECIDED THERE WAS NOTHING WRONG WITH THE CAR. ANOTHER ISSUE I'VE HAD IS WITH MY BRAKES. AT 13,000 MILES BOTH OF MY FRONT BRAKES WERE WORN DOWN TO THE METAL. WHEN I BROUGHT THE CAR IN, IT WAS NOTED THAT BOTH CALIPERS SEIZED. THE BRAKES AND CALIPERS WERE REPLACED. ABOUT 14,000 MILES LATER, MY RIGHT FRONT BRAKE WAS DOWN TO THE METAL. MY LEFT FRONT BRAKE WAS FINE. AFTER KEEPING MY CAR FOR A WEEK AND CONSULTING WITH THE ENGINEERS IN CALIFORNIA, ACURA DECIDED THERE WAS NOTHING WRONG WITH THE BRAKES AND THAT IT WAS MY DRIVING. I ASKED HOW I ONLY PUT THE RIGHT FRONT BRAKE ON AND NOT THE LEFT. THEY DID NOT HAVE AN ANSWER. BUT BECAUSE THEY COULDN'T FIND ANYTHING WRONG, I HAD TO REPLACE BOTH BRAKES AGAIN.
NHTSA ID
11205308
Incident
Feb 1, 2017
Mileage
7,946 mi
BrakesDriver assistance
Filed Sep 7, 2018
Crash reported1 injury reported
ON AUGUST 21, 2018 I PULLED INTO A PARKING STALL, AND REALIZED I WAS NOT ALIGNED PROPERLY. I CLICKED ON REVERSE SO THAT I COULD REALIGN WITHIN MY DESIGNATED SPACE, AND THE CAR LUNGED FORWARD JUMPING THE CURB AND HITTING THE BUILDING APPROXIMATELY 4-5 FEET IN FRONT OF ME. BOTH DRIVER SIDE AIRBAGS DEPLOYED. $13,000 WORTH OF DAMAGE TO MY CAR. WITHIN THE FIRST WEEK OF GETTING THIS CAR IS 2017, I'VE HAD MANY ISSUES SUCH AS FAILURE TO START AND BRAKE WARNING LIGHT COMING ON RANDOMLY WHILE DRIVING. HAD TO HAVE THE VEHICLE TOWED AT LEAST 3X TO THE DEALER, FOR WHICH THEY COULD NOT REPLICATE THE ISSUES.
NHTSA ID
11128100
Incident
Aug 21, 2018
Mileage
12,431 mi
BrakesElectrical
Filed Jun 5, 2018
SUDDEN UNEXPECTED BREAKING OF VEHICLE. THE VEHICLES COLLISION AVOIDANCE SYSTEM KICKED IN AND BREAKED FROM 30 MPH TO A COMPLETE STOP FOR NO REASON. THERE WAS NO VEHICLE OR OBJECT IN FRONT OF MY VEHICLE. CLEAR DRY DAY. TRAVELING ON A 4 LANE LOCAL ROADWAY. THE CONSUMER STATED THE DEALERSHIP ADVISED THE E-Z PASS TOLL TRANSPONDER, WHICH IS PLACED AT THE TOP OF THE WINDSHIELD, CAUSED AN INTERFERENCE WITH THE COLLISION AVOIDANCE SYSTEM. THE CONSUMER FOUND THAT DIFFICULT TO BELIEVE. *JS
NHTSA ID
11099968
Incident
Jun 3, 2018
Mileage
5,000 mi
Brakes
Filed Dec 1, 2017
Crash reported
WE WERE TRAVELING ON A THREE-LANE ROAD (CENTER TURN LANE) IN OUR 2017 ACURA MDX GOING APPROXIMATELY 35 MPH AND FOLLOWING THE VEHICLE IN FRONT OF US AT THE NORMAL 4-CAR LENGTH DISTANCE. THE CAR IN FRONT OF US SIGNALED FOR A RIGHT TURN OFF THE MAIN ROAD AND BEGAN TO SLOW. I APPLIED OUR BRAKES TO SLOW AS WELL. WE WERE STILL AT LEAST 3 CAR LENGTHS BEHIND WHEN THE CAR IN FRONT OF US TURNED OFF THE MAIN ROAD. I MOVED MY FOOT OFF THE BRAKE TO ACCELERATE BACK TO THE NORMAL SPEED. THE COLLISION MITIGATION BRAKING SYSTEM ACTIVATED, BRINGING OUR VEHICLE TO A SUDDEN STOP IN TRAFFIC. THE VEHICLE THAT HAD MADE THE RIGHT TURN WAS COMPLETELY OFF THE MAIN ROAD WHEN OUR BRAKE SYSTEM ACTIVATED. WE WERE REAR-ENDED BY A JEEP WRANGLER TRAVELING AT OR NEAR THE SPEED LIMIT. OUR VEHICLE WAS TOTALED. I WANT TO NOTE THAT THIS WAS NOT A CASE OF US FOLLOWING TOO CLOSELY OR APPROACHING TOO FAST! OUR MDX HAD 9,256 MILES ON IT, AND THERE HAD BEEN NO PRIOR PROBLEMS OR WARNINGS. WE HAD NO IDEA THAT THE ELECTRONIC BRAKE SYSTEM COULD ACTIVATE WITHOUT CAUSE AND BRING THE VEHICLE TO A COMPLETE STOP!
NHTSA ID
11051659
Incident
Nov 11, 2017
Mileage
9,256 mi
Brakes
Filed Feb 17, 2017
Crash reported
GOING ABOUT 20 MILES AN HOUR IN TRAFFIC A VEHICLE IN FRONT OF ME AT A DISTANCE OF ABOUT 2 CAR LENGTHS STARTED TO TURN RIGHT INTO A GAS STATION LOT UNEXPECTEDLY. THE AUTOMATIC BRAKING SYSTEM DETECTED A POTENTIAL FOR COLLISION AND WARNED ME. I PRESSED THE BRAKE PEDAL AND SLOWLY ATTEMPTED TO APPLY THE BRAKES AS THE SITUATION WAS NOT CRITICAL. THE CRITICAL BRAKE INDICATOR DID NOT GO AWAY, AND THE CAR IMMEDIATELY FELT AS THOUGH IT DEPRESSED THE BREAK FULLY AS IF A COLLISION WAS IMMINENT. THE DRIVER BEHIND ME WAS FOLLOWING VERY CLOSE AND COLLIDED WITH ME. THOUGH THE ACCIDENT WAS PROBABLY UNAVOIDABLE, I FEEL THE ACURA OVERESTIMATED THE URGENCY TO STOP GIVEN THE DISTANCE OF THE VEHICLE IN FRONT OF ME AND THE SPEED AT WHICH WE WERE MOVING.
NHTSA ID
10955198
Incident
Feb 15, 2017
Mileage
1,300 mi
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Other components reported on this vehicle
Categories with enough reports to have a page of their own