2024 JEEP GRAND CHEROKEE L Electrical System Problems

The contact owns a 2024 Jeep Grand Cherokee L. The contact stated that while driving at an undisclosed speed, there was an abnormal hissing and tapping sound coming from the engine compartment, with the check engine warning light illuminated. The vehicle was towed to a dealer, where it was diagnosed and determined that the wiring harness had failed due to rodent damage. The dealer informed the contact that the wiring insulation was soy-based and had been chewed on by rodents. The dealer stated that rodent urine and blood were found near the damaged wiring, and the area was not cleaned. The vehicle was not repaired. The contact was advised by the dealer to place mothballs under the vehicle to deter rodents. The dealer also confirmed that no protective covering or preventative measure would be installed to prevent a future failure. The contact expressed concern that the failure made the vehicle unsafe and stated that the contact was afraid to ride in the vehicle due to the issue. The manufacturer was made aware of the failure and referred the contact back to the dealer for further assistance. The approximate failure mileage was 3,332.

Mileage: 3,332

Jan 2025, both main and auxiliary battery completely dead August 2025, both main and auxiliary battery completely dead December 2025, WHILE driving vehicle goes into neutral almost causing me with my children to get into an accident. This is no secret that Stellantis is aware of this issue and does not seem to care enough about the safety of the consumer, yet prefers to avoid a bad mark against their poorly designed faulty vehicles to be in the public.

On two occasions after sitting overnight, the vehicle dash did not light up and would not start. Roadside was called on one occasion and was not able to jump start the car after about 40 minutes of trying. Dash would light up, but engine would not turn over. Tow company came and drained two jump start batteries before it would start. It was taken to the dealership where they had it for a week and said it was a glitchy software update. A month later the same thing happened where it would not start after sitting overnight. Had to be hooked up to a Dodge Ram battery for 20 minutes before engine would finally turn over. However, the battery voltage sat at about 13/14 volts the entire time, so it doesn't seem to be a bad battery issue. Auto lights have been off as well as STOP/START in case something happens on the road. Could not get it into the dealership for inspection for a few weeks, so hoping they can reproduce and isolate the issue. It sounds like similar issues with other Grand Cherokee's have been left without solution. This definitely needs to be looked into.

Alerted to shift to park when making a turn. Lost power to engine, was able to coast to side of road and apply brake and shift to park. Dash alerted to push run so I pushed ignition switch and it cranked back up. First time this has happened took to dealership and left for them to look over.

The car randomly stopped while I was going 50 MPH ON THE HIGHWAY. The car then would not allow me to move off of the high way or put the care in neutral. The car just stopped while merging on to the highway at 50 mph. It’s unsafe for myself and others The dealer has not been able to reproduce the issue but they see a code they’ve never seen before. The car is currently being inspected by the dealer. There was no warning before the incident .

Battery going dead when vehicle is parked Infotainment system freezing

What component or system failed or malfunctioned, and is it available for inspection upon request? Component: Engine/Powertrain and Electrical System. Availability: Yes, the vehicle is available for inspection. ⸻ 2. How was your safety or the safety of others put at risk? While driving, the vehicle suddenly shut off without warning, causing a loss of power, steering, and braking assistance, creating a serious risk of collision. This could have resulted in a major accident, especially at higher speeds or in traffic. ⸻ 3. Has the problem been reproduced or confirmed by a dealer or independent service center? Yes. The Jeep dealership replicated the issue once, but initially claimed they couldn’t. Jeep later confirmed the dealership did replicate it, but no repairs were made. ⸻ 4. Has the vehicle or component been inspected by the manufacturer, police, insurance representatives, or others? Yes. The vehicle was inspected by a Jeep-authorized dealership. Jeep confirmed the issue was replicated but refused to escalate it for further inspection. ⸻ 5. Were there any warning lamps, messages, or other symptoms of the problem prior to the failure, and when did they first appear? No warning lights or messages appeared. The vehicle shut off without any prior indication, making it unpredictable and dangerous. The vehicle is a 2024 Jeep Grand Cherokee with approximately 21,000 miles. It unexpectedly shut off while driving, creating a serious safety hazard. Despite Jeep confirming the dealership replicated the issue, they failed to provide a solution or send a field engineer. I am requesting an NHTSA investigation due to the potential for this defect to cause serious accidents or fatalities

The infotainment system at times will blank out black. While it doesn’t last more than a few seconds it does happen often.

This vehicle was purchased brand new Nov.29 2025 on Jan. 20 2025 (mileage - 1232) the vehicle was driven about 48 miles and once arrived the vehicle was placed in Park and turned off as normal. After 90 or so minutes inside came out to start vehicle and it would not start, dash lit up with multiple error messages : "Service Transmission Continue in D don't shift or turn off vehicle until you reach a desired location as you may not be able to shift again" "Service Electronic Stability Control" "Auto Park Disabled" "Vehicle not in Park" every feature on the car disabled. It would then not turn the power back off at all. Called roadside assistance and waited in 2 degree weather with my wife and child for about 2 hours to get towed to nearest Jeep dealer, all the while the power would not turn off to the Jeep. The dealer was still having an issue an hour later trying to turn off before we left. This vehicle is still with the dealer trying to diagnose the issue. This is a big safety issue that needs to be looked into as if I were driving this could have caused a serious issue especially with my children in the vehicle with me.

On multiple occasions while driving, vehicle gear blinked from Drive and told me place the vehicle in park. Unable to do so because I was in traffic, vehicle would no longer accelerate and completely stopped. I could not shift to Park and had to turn off the entire car. Once restarted, brake system was engaged and I could not turn it off until I restarted the vehicle again. I have had my children with me and while I haven’t been in an accident yet, it puts us in grave danger.