Jeep Grand wagoneer Engine Problems
41 owner complaints filed with NHTSA across 3 model years.
Complaints by Year
Worst year: 2024. Best year: 2022.
Owner Reports
A representative sample of complaints filed with NHTSA.
The following are issues; -Adas disables mid drive (no warning lights) at highway speeds -steering angle sensors shows not calibrated in live data feed of bscm -air ride stuck in aero mode -select terrain drive modes not functioning as ...
This issue has happened three times. I am on the highway going 70mph, the RPMs fluctuate, the headlights go out and then I lose propulsion/unable to maintain or increase speed. This is a safety concern as it has happened 3 times on the h...
Car engine completely shuts down at highway speeds sudden loss of throttle/power at highway speed * RPM surging or erratic behavior * dashboard/light flickering * vehicle entering limp mode or shutting down * no-start condition aft...
Transmission and fuel injector malfunction: Vehicle shutters upon acceleration. Particularly noticeable driving up hill or when maintaining speeds. Vehicle is available for inspection upon request. Jeep acknowledges the issue, noted a ma...
Vehicle was driven for 5 minutes before alerting that it was overheating. While attempting to pull into a safe location off of a main road, the vehicle would not allow me to accelerate. This left our family stranded in the turn lane. I w...
The thermostat failed causing the vehicle to go into a reduced power mode while climbing a hill with a trailer. The dealer has a technical service bulletin for this issue but the overheating can call engine damage or an accident when the...
While driving, my vehicle has intermittently lost power without warning, creating a serious safety hazard. The loss of power occurs unexpectedly while the vehicle is in motion and is not associated with any driver input, weather, or road...
While stopped in traffic with the brake pedal depressed and Auto Hold enabled, my 2024 Jeep Grand Wagoneer L has repeatedly jerked and shifted itself into Park without driver input. This typically occurs after being stopped approximately...
An overheating engine causes the truck to shut down completely, block the power steering engine, and become undrivable. Electrical and harness assembly problems The dealership inspected the truck and attempted to repair it, but the same...
Vehicle shuts off and puts itself in park at intersections while pulling across traffic. Multiple warning lights. 4x4 faults, power steering faults, auto start/stop faults etc. happened once just after I let off the brakes to start movin...
Our car overheated because of a faulty thermostat leaving us on the side of the road stranded with kids in the car. We had to have the car towed.
At engine idle with vehicle parked or driving in heavy traffic, exhaust fumes are entering the passenger compartment. I am not aware of any apparent exhaust leak. The fumes seem to be entering by way of the fresh air intake. I have confi...