I am filing this complaint regarding my 2023 Jeep Wagoneer, which I have owned for approximately 1.5 years. Since purchasing the vehicle, I have experienced repeated and ongoing mechanical failures, primarily involving the fuel injection system and chronic battery drainage. The vehicle has been taken to the dealership for fuel‑related issues more than five times. During these visits, the fuel pump was replaced, but the problems continued. The vehicle repeatedly triggered check‑engine lights related to the fuel system. At one point, the dealership bypassed or cleared the check‑engine indicator without resolving the underlying problem. After this, the vehicle began performing noticeably differently, including a significant drop in fuel efficiency—going from approximately 18 MPG to around 14 MPG. In addition to the fuel system defects, the vehicle has had persistent battery issues. The battery drains unexpectedly and frequently dies without warning. Even after replacing the battery, the new battery lasted only about three months before the same drainage problems began again. The vehicle will randomly shut down or stop functioning correctly until another battery replacement is performed. These issues raise serious concerns about the safety, reliability, and overall drivability of the vehicle. The repeated failures of both the fuel system and electrical/battery system pose potential safety hazards while driving and have made the vehicle unreliable for normal use. I am requesting that NHTSA review these recurring problems, as they appear to indicate systemic defects affecting vehicle performance and safety.

Source: NHTSA complaint ODI #11716627 · view all complaints for this vehicle at nhtsa.gov

I had to call the fire department because my the auxiliary battery in my Jeep had overheated creating a sulfur-like smell in my garage and eventually into my home. The fire dept recorded the aux battery temp over 200 degrees and the main battery was almost 150 degrees after sitting idle in the garage for over 5 hours and had only drove twice that day for no more than 20 minutes each time. I purchased the vehicle in May of 2023, I believe in Oct of 2023 the dealership had to replace the aux battery, now Aug of 2026 the aux battery failed again overheating and causing the main battery to swell and fail. The dealership was horrible about diagnosing the issue with no real answer and telling me that there is a software update in the works however; I have a friend in the business (works for Stellantis) who tells me that the automaker IS AWARE of these failing aux batteries due to them not shutting off. This known issue puts families at risk of fire and explosion. I do not feel anyone is taking this seriously. The dealership forced me to buy two new batteries, gave no reason why, and basically sent me on my way. I would like to know that someone is going to call on the automaker for a fix so that both my family and others, will not have to worry about having a dangerous vehicle parked in their garage.

Source: NHTSA complaint ODI #11764714 · view all complaints for this vehicle at nhtsa.gov

While driving the breaks faultered and I had to slam on the break. I had to press all the way down on the break pedal to slow down or stop. Also when stopped at a light the car turns off and puts itself in park. I had to turn the car off and back on again to fix it. My safety and the safety of others was at risk due to chance of a significant car crash due to faulty break system. I had a near miss accident due to this reason. I will be calling the car dealership to tow the car to have it inspected. The ABS light came on as well as check engine light. Service power steering light also came on.

Source: NHTSA complaint ODI #11730647 · view all complaints for this vehicle at nhtsa.gov

While starting to turn through an intersection after a red light the vehicle stalled in the center of said intersection. After turning the vehicle fully off and restarting the dash lights for a steering malfunction illuminated. The vehicle was difficult to steer but was drivable. After several on of cycles the steering was easier. We made an appointment and took it to the dealer. The dealer found the steering rack to have an "internal" fault and was unsafe to drive. The vehicle died in the center of a busy intersection. We could have been hit because the turn lest arrow ended and oncoming cars had the green light. We got the vehicle back about 9 weeks later. The steering rack had been replaced but the dealer had found corroded and charred wires to the fuel pump which also had to be repaired. The next evening with the adaptive cruise/Lane guidance set the steering system became erratic and the vehicle started trying to turn into oncoming traffic. I turned the cruise off and continued to drive about 1 mile where I was stopped at a red light. The green left turn arrow illuminated so I started through the intersection and the vehicle died in the oncoming lane. I had to turn the vehicle totally off and restart it in order to proceed. Once moving there were 2 steering system warning lights illuminated on the dash. I cautiously returned home then made an appointment to return the vehicle to the dealer. The warning lights went out but the dealer found multiple codes in the ECU. They had the vehicle for a while, said they reprogrammed the modules that control the steering after which the symptoms could not be duplicated. We have the vehicle and several issues still persist. I called today for another service appointment. The vehicle has an odd steering twitch in tight turns especially in parking lots or driveways. Steering effort is noticeably higher and doesn't return to on center position without input. The steering wheel is not centered during straight driving.

Source: NHTSA complaint ODI #11759339 · view all complaints for this vehicle at nhtsa.gov

The front seat has air bags in it for massage and adjustment features. These airbags expand and cant be adjusted down pushing you into the sterering making it unsafe to drive. I took my 2023 Jeep Grand Wagoneer to the dealer on 4-7-26 and the part that failed is 68608275AB. Thisa part is on national back order. The vehicle is very difficult to drive with the seat in this condition. We are still wiating for this part however we must to continue to drive this unsafe vehicle that had a price tag of $112k. I spoje with the Mfr and they had no help except to email me weekly for a parts update. There are no warning lights when this happens.

Source: NHTSA complaint ODI #11738732 · view all complaints for this vehicle at nhtsa.gov

My 2023 Jeep Grand Wagoneer has experienced repeated safety-related defects involving the body, electrical, and powertrain systems despite 6 warranty repair visits. The vehicle has been out of service 72 cumulative days, and the current repair still ongoing. Before the most serious incident, the vehicle had already been returned to authorized Jeep dealerships multiple times for liftgate malfunctions. The liftgate repeatedly failed to open, failed to close properly, and exhibited intermittent malfunctions. These defects were repeatedly reproduced and confirmed by the dealer, and Wagoneer engineering was consulted to diagnose and repair the vehicle. The defects have not been permanently corrected. While driving on a multi-lane roadway with my children seated in the 3rd row, the rear liftgate suddenly opened without any warning light/message/alert/beep. This was the 1st time it had opened while driving. Personal belongings were ejected across 3 lanes of traffic, creating a risk of striking other vehicles or causing another driver to swerve or crash. My husband had to enter multiple lanes of traffic to retrieve our belongings before they were struck, creating an additional safety hazard, leaving us sitting in traffic in the vehicle. To my knowledge, the vehicle should not have permitted normal operation if the liftgate was not securely latched. Instead, the liftgate opened while the vehicle was in motion without any indication to the driver, eliminating any opportunity to react or prevent the incident. The vehicle has also experienced repeated lurching/harsh clunking when shifting into gear, and unexpected lurching/hard shifting and when on hills. Numerous warning lights, messages, and check engine lights have occurred since approx. 300 miles and have been dealer verified. Due to these defects remaining unresolved despite repeated repair attempts, I do not believe this vehicle can be operated safely. I am scared for my teen drivers and pedestrians in this vehicle.

Source: NHTSA complaint ODI #11749227 · view all complaints for this vehicle at nhtsa.gov