30 of the
547 complaints filed about the Jeep Grand Cherokee L
are about the braking system —
5% of everything owners reported.
The worst model year for it is 2022.
We were accelerating from a stop light and reached about 50 mph when the brakes activated and large red letters saying “BRAKE” were displayed on the drivers dash screen and an alarm sounded. The vehicle slowed rapidly and suddenly. Fortunately we were around no other traffic so there was no collision. There were no impediments on the roadway which might have reasonably caused the brakes to activate.
NHTSA complaint #11758105 — an unverified report by a vehicle owner.
Was driving the vehicle normally, roughly 33,300 miles. All of a sudden, multiple malfunction lights came on, I believe the ABS and something else, can't remember which one. When we applied the brakes , there was no assist, we had to depress the pedal all the way down and basically stand on it to slow down and still ended up stopping partway through an intersection due to the lack of power brakes, we were extremely fortunate there was no other vehicles driving through or stopped in front of us, it could have killed us and/or other people. As the vehicle is out of warranty (by time) we looked into it ourselves and determined there were two DTCs, U0418 (invalid data, brake system control module) and P057B (Brake pedal position sensor circuit range/performance). We looked at the brake pedal and determined that a primary component of the "brake pedal simulator sensor" which is a part of the entire brake booster assembly. The retaining cup for the spring and internal components had come separated from the main body and caused the sensor to go out of range and the computer to disable power brakes entirely relying entirely on the backup hydraulic master cylinder. As this required replacement of the brake booster we decided to have it towed to the dealership to deal with. It was a few weeks before we had it towed and while it sat in the driveway the module not going to sleep resulted in both the main and aux batteries being fully drained and ruined, requiring replacement. The dealer replaced the power booster and provided the old component at our request for the purpose of filing this report in case it is requested for an investigation. The total cost was $1800. We consider this a severe safety issue and thus am filing this report with all documentation and have the part on hand if requested.
NHTSA complaint #11754867 — an unverified report by a vehicle owner.
This model of Jeep has a documented history of having software problems that occur resulting in huge safety issues. I am filing this report because Jeep has not successfully solved this issue leading to regular ongoing safety concerns. Jeep themselves have issued several STAR reports on this, and a simple internet search will show thousands upon thousands of posts of owners with recurring issues. The specific safety concerns regarding seat positioning while moving, language change of instrumentation and critical alarms, metric changes to critical items like speed, and failure of front collision sensors. The issue begins with the driver seat changing its position while driving. While driving the seat will suddenly recline almost to a lay down position which is a safety risk. After some time fighting this, the car will eventually have a computer issue where the language changes to Italian, and cause the front collision sensors to be disabled. There is actually no issue with the sensors, it’s a software glitch that causes the sensors to be deactivated. In order to fix the issue, the car has to be taken to the dealership for several software updates and reconfiguration, resulting in cost to owners. Extended warranties do not cover software. The issue will then recur, sometimes within as little as a week, others after a few months. Researching forums, it appears this may be related to some OTA software update, but that hasn’t been confirmed as far as I can tell. This is a safety concern. Seats should not adjust on their own without driver controls being accessed, and collision sensors shouldn’t deactivate because of a software glitch.
NHTSA complaint #11752113 — an unverified report by a vehicle owner.
On XXX at approximately 630pm during rush-hour traffic crossing the XXX on [XXX], my 2024 Jeep Grand Cherokee Limited L (11,800 miles) the brake pedal went to the floor and the vehicle would not stop normally. The vehicle was towed to the dealer. This created a dangerous situation in heavy traffic with my child in the car and could have easily led to a collision. The vehicle was promptly taken to the closest authorized Jeep dealer. They diagnosed a Brake Vacuum Booster failure along with Diagnostic Trouble Code P057B-00 (Brake Pedal Position Sensor related). I have video footage of the symptom occurring and photos of the repair diagnosis. This is a new vehicle with very low mileage, and this unexpected failure raises serious safety concerns about potential defects in the brake system. I am requesting that NHTSA investigate this matter to determine if it affects other 2024 Jeep Grand Cherokees. Vehicle Information: • Make/Model/Year: Jeep Grand Cherokee 2024 • VIN: [XXX] • Mileage at time of failure: 11,800 miles • Date of purchase: 11/1/2024 No injuries or crash occurred, but the safety risk was SIGNIFICANT. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
NHTSA complaint #11744355 — an unverified report by a vehicle owner.
This is the second time I got into an accident and the (ADAS) made me crash.. I was far enough to brake safely but the system keeps me going forward..it drags me as if there is ice on the ground..if it was off my car would not have been in any of these accidents..this feature is not safe..I feel like my life is in danger when it is on
NHTSA complaint #11743798 — an unverified report by a vehicle owner.
This car slams the breaks to a stop in the middle of an intersection while turning left with other cars across the intersection also turning left. It thinks we will hit but we are not going to. This has happened twice. Luckily, the driver behind us was paying attention both times and also slammed their brakes, avoiding a collision.
NHTSA complaint #11740935 — an unverified report by a vehicle owner.
On April 20, 2026, my 2025 Jeep Grand Cherokee L was involved in a crash due to a sudden and complete brake failure. At the time of the incident, the vehicle was in the custody of an authorized FCA dealership. An employee of the dealership was operating the vehicle when the brakes completely failed to respond, resulting in an accident. FCA US LLC Special Investigations conducted an inspection (Case #[96529168]) and stated they found no physical evidence of a manufacturing defect or component malfunction. However, the mechanical or electronic failure was severe enough to cause a crash while being operated by a professional dealership technician. I am filing this complaint because sudden brake failure represents an extreme safety hazard to the public. The manufacturer has denied assistance, and independent federal oversight is required to determine if a software or hydraulic defect exists in this model year.
NHTSA complaint #11739926 — an unverified report by a vehicle owner.
There have been many components and issues that were and were attempted to be repaired. The vehicle is available for any inspection needed. I am afraid to drive the vehicle. My safety, my family’s safety and everyone around us front behind it doesn’t matter everyone is at risk. The vehicle for no reason at all just stopped. A very intense and.violent stop then the automatic braking and pedestrian warnings alerts came off. The vehicle did NOT come to a slow stop it felt like we hit into a brick wall. The dealership is never able to recreate or fix anything. Doubt they even try. They don’t put much effort into trying to recreate the issue.
NHTSA complaint #11732557 — an unverified report by a vehicle owner.
The contact owns a 2022 Jeep Grand Cherokee L. While driving approximately 40 MPH, the air bag, ABS, parking brake, check engine, seat belt, and collision warning lights illuminated. Additionally, the messages "START/STOP not ready," "ACC Disabled", "Cruise Control”, “Service Air Bags System", "Blind Spot Alert Off", and "Service ESC" were displayed. The vehicle was taken to an auto parts store, where a handheld diagnostic machine retrieved DTC: U0140. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 73,945.
NHTSA complaint #11731213 — an unverified report by a vehicle owner.
2024 Jeep Grand Cherokee L Summit Reserve was parked before a snow / ice storm and when we went to drive it 5 days later, after the storm, it would not move and made a loud explosion noise when I pressed the accelerator. I immediately turned the Jeep off and went to look underneath to see if I could see what happened. The rear brake pads and calipers were blown off, along with a bunch of broken parts and the air ride suspension was at its fully extended height. It's been to 2 Jeep dealers who can not explain what happened and Jeep says there is nothing they can do. We have only owned this Jeep, which was purchased new, for less then 20 months when this happened. If this had happened while driving, we could have had an accident and been severely injured. The Jeep is available at this time to be inspected. No lights were on prior to this happening.
NHTSA complaint #11731261 — an unverified report by a vehicle owner.
Vehicle: 2021 Jeep Grand Cherokee L Issue Type: Electrical System / Loss of Power / Braking System While operating my 2021 Jeep Grand Cherokee L on Interstate 40 at approximately 70 miles per hour, with two minor children in the vehicle, the vehicle suddenly and without any prior warning began to rapidly decelerate, despite continued pressure on the accelerator pedal. At the time the deceleration began, there were no warning lights, alerts, or indications of any malfunction. The vehicle exhibited a significant loss of power, and it felt as though it was being mechanically restricted or “dragging,” severely limiting its ability to maintain highway speed. Only after the vehicle had already begun to decelerate did a brake system warning indicator appear on the dashboard. This sequence of events indicates that the warning system did not provide advance notice of the failure. This sudden and uncommanded deceleration created an immediate and serious safety hazard, particularly given the vehicle’s speed and surrounding interstate traffic. The inability of the vehicle to respond appropriately to acceleration input placed occupants at risk of a rear-end collision or other serious traffic incident. Although the warning indicator later turned off, the vehicle continued to operate abnormally, with ongoing reduced acceleration and diminished responsiveness. This incident occurred without prior warning, and the delayed activation of the brake warning indicator raises serious concerns regarding a potential defect involving the vehicle’s electrical, braking, and/or powertrain control systems, including possible failure of system monitoring or alert mechanisms. Given the circumstances including highway speed, sudden loss of propulsion, delayed warning notification, and the presence of child passengers. I respectfully request that this issue be formally investigated as a safety-related defect.
NHTSA complaint #11728679 — an unverified report by a vehicle owner.
On [XXX], while driving my 2023 Jeep Grand Cherokee L on the [XXX] , at approximately 65 mph, a ring (like a washer) detached from the brake pedal. This caused the vehicle to suddenly lose braking capability. Right after I attempted to brake the vehicle on the highway, the ABS light, brake assistance light, braking distance automatic light, and traction control lights all illuminated on the dashboard, and the vehicle required immediate assistance. The brake pedal did not respond normally to pressure. I had to downshift rapidly to slow down and exit the freeway safely. Once in a safer area, I was finally able to stop the vehicle by applying a lot of pressure to the pedal. This dangerous failure put myself and other drivers at serious risk of an accident. Due to the severity of the issue, I immediately called a tow truck and had the vehicle taken to the authorized Jeep dealership in Tustin for repairs. I had previously experienced another major repair (rear axle joint binding) that took approximately 64 days when the vehicle had around 30,000 miles. The current incident occurred at approximately 52,000 miles. I reported this safety issue to Jeep Customer Service and received Reference Number [XXX]. This is a serious safety defect involving the brake system that could have caused a crash on the highway. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
NHTSA complaint #11727116 — an unverified report by a vehicle owner.
Re: 2022 Jeep Grand Cherokee L Summit AWD, Vin [XXX] A Known COMMON Jeep Uconnect problem identified by Jeep Case No. XXX Rev.B, Feb. 2023. Problem: with the UConnect 5 system, that on an update the language became Italian ( I wa able to change back to English) and many user controllable functions become inoperative, ie. which I cannot change the settings unless the Dealer reflashes the UConnect's User Controllabe interface. What is very concerning is the loss of Automatic Emergency Breaking (AEB), it is permanently turned "OFF" in yellow, meaning there is no fault with the AEB. I believe the loss of a major Safety System (AEB) is cause to Warrant a Safety Recall. Jeep Customer Care said I will have to pay for the reflash because I am no longer under warranty. This Case XXX Rev. B was identified when my 2022 Jeep Grand Cherrokee L was under warranty. Please Help by making this a RECALL. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
NHTSA complaint #11725834 — an unverified report by a vehicle owner.
The contact owns a 2022 Jeep Grand Cherokee L. The contact stated that while coming to a stop, the brake pedal became inoperable, with the ABS warning light illuminated. The contact stated that the brake pedal was forcefully depressed to stop the vehicle. The vehicle was taken to an independent mechanic, where it was diagnosed and it was determined that the ABS module had failed and needed to be replaced. The vehicle was not repaired. The dealer was contacted, but the vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure. The approximate failure mileage was 62,000.
NHTSA complaint #11721951 — an unverified report by a vehicle owner.
I had my brakes flushed by my local dealer in June 2025 at about 31,000 miles for routine maintenance. I was traveling to York, Pa from Gravette, AR in September of 2025. All systems on my Cherokee had worked flawlessly on the trip, as they had since its purchase new in the Fall of 2023. On a very curvy, hilly road in the Cactocin mountain area, I was braking often. The ABS system warning light came on, as well as messages that the automatic collision control, lane departure control and adaptive cruise control were disabled. I noticed immediately that my brake pedal felt mushy and went nearly to the floor. Basically it felt like an old car with no power brakes. I proceeded to Gettysburg. When I restarted the car the error messages had cleared. I continued but after a few stops all of the error messages returned. When I got to York, still Thursday, I went to Stetler Jeep dealership and asked to have my Jeep looked at. The service clerk said no because I had no appointment. I asked to at least do an Obd2 scan so I know what the problem is. He said no, it can’t be done without an appointment. was told not until next Wednesday. I only planned to be in York until that Sunday. Between York and Decatur, IN on way home to Arkansas the warnings reoccured 3 more times, a total of 5. When stopped with my foot on the brake, when no errors showing, I would sometimes hear a clicking noise behind the steering wheel and feel it on my foot. A dealer in Indiana and my local dealer in Fayetteville, Arkansas could not find anything wrong. Those error messages have not appeared again without any repair. In December, my brakes were dragging and the brake waning light came on several times, then remained on. I could release the brakes by pumping them. My local dealer flushed brake system as the repair and warning light was gone. Two days later, brake system warning light is on again. I am taking it back to the dealer again even though brakes seem to be working fine.
NHTSA complaint #11707727 — an unverified report by a vehicle owner.
The contact owns a 2023 Jeep Grand Cherokee L. The contact stated that while driving at 60 MPH, the vehicle failed to accelerate as intended while depressing the accelerator pedal. In addition, a burnt odor was emitting from the interior of the vehicle. No warning lights were illuminated. The contact was able to pull to the side of the vehicle. Upon inspection, the contact noticed flames were emitting from the brake caliper assembly, and the brake rotor was red on the front passenger-side tire. The contact used a giant water bottle to extinguish the flames. The contact, her mother, and her daughter were not injured. The insurance company was contacted, and the contact requested a tow truck. However, the contact called roadside assistance. The driver, from roadside assistance, disconnected an unknown wire from the brake caliper. When the vehicle was restarted, the parking brake lever was engaged but failed to function as intended, and the ABS warning light was illuminated. The contact was able to drive very slowly and took the vehicle to a family member's residence. The contact noticed that smoke was emitting from the front driver-side tire. The contact took the vehicle to Pep Boys, where it was diagnosed that the front brake calipers failed. However, the mechanic refused to repair the vehicle. The contact called the insurance company to have the vehicle towed to the dealer, where it was diagnosed that the power brake booster was faulty, the vehicle had no brakes, the hydraulic control unit failed to build pressure, and an unknown internal leak was found. And the hydraulic brake system had a leak; the left front wheel had caught on fire, which caused damage to the left front brake caliper, the rotor pads, and the brake hose, and the rear rotors were glazed. The contact was informed that the brake booster, ABS module, brake caliper, brake line, gaskets, front brake pads, front rotors, rear brake pads, rear rotors, and adapter plate needed to be replaced. The DTC codes the diagnostic showed were C0050-00, which i
NHTSA complaint #11693418 — an unverified report by a vehicle owner.
Updates to the case#11679471. Since my initial report, Jeep arranged for an independent technician to retrieve and review the Event Data Recorder (EDR) from our vehicle. While Jeep has not shared the expert’s conclusions with us, we obtained a copy of the raw EDR data file from the same tech (attached). Based on the EDR data: 1. The brake pedal was fully applied approximately 0.4 seconds before impact and remained depressed. 2. The vehicle’s deceleration was only ~0.5 g, significantly below the expected ~0.8–1.0 g for dry asphalt conditions. 3. The ABS did not engage, indicating that hydraulic brake pressure was not reaching the level required to approach wheel lock. 4. The Automatic Emergency Braking (AEB) system was “On” but did not engage. 4. The Advanced Brake Assist (ABA) activated only ~0.3 seconds before impact, too late to reduce the stopping distance. 5. No DTC (diagnostic trouble codes) were recorded at the time of the event. These EDR findings indicate that the driver executed proper emergency braking, but the brake-by-wire system did not deliver sufficient hydraulic pressure to achieve normal deceleration. This may suggest a potential electronic or hydraulic brake system defect. The vehicle remains undrivable, and we have been declined by two separate Jeep dealerships to obtain an effective inspection or repair. Given the direct connection to FMVSS 105 (Hydraulic and Electric Brake Systems) requirements for service brake performance, we respectfully request that NHTSA treat this case as an urgent safety concern.
NHTSA complaint #11688770 — an unverified report by a vehicle owner.
On July 16, 2025, at approximately 6:10 PM, I was driving home on the highway at around 65 mph when I attempted to brake. The brake pedal went completely to the floor, and no braking occurred. At the same time, the following warning lights and messages suddenly appeared on the dashboard: - “Service Park Brake” - “Service ABS” - “Service Electronic Stability Control” - “Auto Hold Unavailable” - “4WD System Temporarily Unavailable” I was able to maneuver the vehicle into the emergency lane without colliding with other vehicles or causing a high-speed rear-end accident. The vehicle came to a gradual stop but would not restart afterward. This failure occurred without any prior warning and posed a serious risk to my safety and the safety of others on the road. I do not know how an accident was avoided, as the failure was sudden and could have resulted in a tragedy. The vehicle is a 2-year-old Jeep, with approximately 36,000 miles, and has been regularly serviced by Jeep, most recently about one month prior to the incident. After the incident, I had the vehicle inspected by a Jeep dealership, which confirmed the failure and identified a defective brake control module as the root cause. The component is available for inspection upon request.
NHTSA complaint #11682081 — an unverified report by a vehicle owner.
This complaint is an update to my previous complaint #11679471 submitted on August 8, 2025. Please consider this as additional information to the original case. Since my initial submission: Second Dealership Refusal: I attempted to bring the vehicle to a second authorized Jeep dealership for inspection and diagnosis. They refused any service, stating they would not inspect or repair the vehicle. This is now the second dealership to reject the vehicle after the incident. Obtained Diagnostic Printouts: Despite refusing service, the second dealership was convinced to provide printed codes from the vehicle. These codes show multiple system errors recorded at a very low vehicle mileage, including communication failures with the ABS control module, brake system internal failure, and CAN bus errors. These indicate potential electronic or computer system faults that could have occurred immediately before or during the brake failure. Manufacturer Warranty Issue: Immediately after the incident, Jeep opened a warranty case #93917003 for the vehicle. However, during subsequent communication, I was informed that this brand-new vehicle has no manufacturer's warranty at all. This is extremely concerning, as the vehicle was purchased new with only minimal mileage and no prior damage or modifications. Vehicle Condition: The vehicle remains undrivable and unsafe to operate. Jeep or its authorized dealers have performed no corrective action. Given that this was a brand-new vehicle with extremely low mileage purchased solely for personal family travel, and that both authorized dealerships have refused to address a major safety defect, I am requesting that NHTSA treat this as an urgent safety matter. The refusal to investigate by Jeep dealerships, combined with the unexpected claim that there is no manufacturer warranty, leaves this defect unresolved and poses an ongoing safety risk if similar failures occur in other vehicles.
NHTSA complaint #11680289 — an unverified report by a vehicle owner.