2025 HONDA ODYSSEY Unknown Or Other Problems

The car stopped while driving in the middle of the street and would not turn off or on.

My van is a 25 Odyssey Elite with 18K miles. On several occasions, when I have been stopped at a stoplight and the idle function is activated, the vehicle doesn't auto restart and often it must ben put back into park and restarted. This has worked with a bit of effort. It typically is not just a push of the button but rather some sputtering, several attempts at pushing the ignition button and then and eventual start. Today I had it happen again and had a challenge getting it restarted and this time I noticed that the battery red light came on along with some other warning lights (I don't remember which ones as I was panicking to get going an not hold up the line of cars behind me.

In January 2025, we drove to Florida from Michigan. When I started my car every signal light came on. It would not allow me to shut down. We drove it to Orlando Honda and they said the sensor light was covered with road salt. It was very scary. In November 2025 we were driving home in a snowstorm. The sensor in the front got covered and shut down the speed control, warning lights of crossing lane, detecting cars on right or left. I get told every time can’t duplicate. The automatic bright lights got stuck on after only a month of having this car. Dealership says it was off. Well it wasn’t and they still do not work. Speed limit sign on dashboard will go up to 85 miles per hour this is in a 25 mile area. Again they say can’t duplicate. Brakes feel mushy to myself and husband. Again we’re told there is nothing wrong with it. When the speed controls are set there is at least 2 miles difference with my Waze speed and the vehicles speed. I’m told this is normal. Well it’s not. Something is wrong with the electrical system. I owned a Honda Odyssey before and I never had any issues with that one. We’re getting ready to drive to Florida and I’m terrified the system will shut down again. I was told that having road salt on a sensor is not a warranty issue. Well, it is because of poor design. I’m also afraid once this vehicle is no longer under warranty I will be paying $ for this poor design. I’m not happy and now wish I had my old one back.

I stopped at a stoplight and the auto shut off took place, when i tried to take my foot off the brake to start the car, the car did not restart. I stalled at the light with cars behind me and my children, the dash displayed a message saying system problem and flashed I did not get a photo . I shut the car off with the brake and the start button and tried starting it twice, Finally the car restarted and I drove home. Something is wrong with the AIS and it put us in danger

Category: Structure / Water Leak / Electrical System Risk Vehicle: 2025 Honda Odyssey Description of the Problem: My 2025 Honda Odyssey has a repeated and serious water leak issue that affects the driver-side floor area. I first discovered the leak on October 30, 2025, with the driver-side carpet and foam padding completely soaked. The dealership (Sloane Honda in Philadelphia) kept the vehicle for two days but claimed they could not find any leak. On November 19, 2025, the same leak occurred again, with even more water present under the driver-side carpet and foam. I have photos and videos showing significant water accumulation. This presents multiple safety hazards: Potential electrical short circuits in wiring under the carpet Mold growth affecting occupant health Floorboard corrosion Impaired vehicle operation The vehicle is currently back at the dealership, and Honda has not provided a proper resolution. This is a recurring structural defect that poses a safety risk and should be investigated.

When’s stopping the vehicle it shut off and stall to come back on or cut off completely and when i try to restart the vehicle it take several attempts before coming back on. It happens often if i dont turn off the the auto feature

6 month old new Car stalled out at red light Took a few minutes to restart Think it had to do with idle start/stop

When car is stopped it completely shuts off, goes into park and does not restart. This has happened 3 times, twice at an intersection and once as I slowed to a stop sign. The car didn’t restart and I had to push the engine start to restart the car. This was dangerously because it has happened while I stopped but also while I was slowing down at an intersection, the car would abruptly shut off. When this happens warning lights on the dash appear but go away once I restart the engine.

My 2025 Honda Odyssey has been completely shutting off after the stop-start shuts the engine off. When the car actually “stalls” is when I let off the brake and it’s time to start going. Then I hear a ding, the dash lights come on, and I have to frantically hit the ignition button to restart my car. This happens intermittently, without warning. I've been stuck at redlights afraid I will be rear ended because all of a sudden I can't move forward at a green light. My and others safety is at risk. Honda does not allow the start/stop to be disabled by default. It has to be disabled, manually, by the driver, every single time the car is restarted. So you can't just ignore this problem by shutting off the feature when the feature won't allow itself to be shut off by default.

Since July 4, 2025, this can has intermittently shut off and stalled on me, my wife and my family and has refused to start. It has now been back to the service department of Trust Honda of Palmdale 4 different times for the same problem and the battery has been replaced on this van back in July. Most recently, it stalled just two days ago in rush hour morning traffic on the 405 Freeway going South in the San Fernando Valley. The display on the dash read “dead battery “. It took over 20 minutes for the van to start and my wife was able to move it off of the freeway to a safe location.

2025 Honda Odyssey EX-L My concern and issue is that the 2025 Honda. On 18 October 2025 the Honda Odyssey shuts down by its self after stopping at a red light. I believe it has something to do with the feature of auto start/stop system. This has happened multiple times. The  vehicle sporadically fails to restart after coming to a complete stop. The engine shuts off as expected at a stoplight, but when I release the brake, the vehicle hesitates to crank over or start which has left me stalled in traffic numerous times. No warning lights or messages ever appear prior to the issue. This issued has left me in the middle of the road numerous time with traffic behind me. This takes a couple of minutes to restart the engine because the vehicle lights are turned on and it appears that the Odyssey doesn't have enough power to turn on the vehicle. But after multiple tries the Odyssey finally turns on. This is extremely dangerous because it can cause another car rear ending us and injuring my family.

THE AUTO STOP/START OR AUTO IDLES FEATURE ON THE CAR keeps stalling after the car stops AT THE RED LIGHT. It can cause a rear collision.

After going into Auto-idle at a traffic light. The engine did not turn back on when accelerator was pressed. Even after a restart. It took about 30 seconds.

I think there is a problem with the Auto Idle Stop system that has resulted in the starter needing to be replaced. But, the dealership says nothing is wrong. The Auto Idle Stop malfunction lights up when I let off the brake. I have gotten in the habit of turning off the AIS every time I started the car. However, it still is hesitating to start, which leads me to believe the AIS has killed the starter.

On two differed occasions the AIS system failed and left my car disabled at an intersection. I was sitting at a traffic light and the car died when I took my foot off the break and attempted to proceed through the intersection. Additionally, I have a faulty seat/seat belt. The seat does not register an occupant or indicates the occupant is not buckled in when they actually have fastened their seat belt.

I am an engineer and my respect of the laws of probability makes me a cautious driver. I've had m+y 2025 Honda Odyssey for six months, but only driven it 500 miles since it cannot be trusted. I stopped at a light waiting to safely make a left hand turn. I began my turn with enough time for two vehicles to follow me. After pressing the accelerator the vehicle slowly responded. The stall left me in the intersection, so I accelerated hard to avoid being killed. The sudden acceleration was difficult to control and almost resulted in me going off the road. I've come to learn this resulted from a Honda design decision. They have a feature called "Auto Idle Stop" that is ON BY DEFAULT. I was never informed of this feature and believe this was a reckless, or should we say reckmore, decision. This was clearly a deadly design decision. The USG must fix this. In addition, the USG should charge the engineers, and their management, for reckless endangerment.

The contact owns a 2025 Honda Odyssey. The contact stated that upon opening the electronic tailgate, the contact noticed 2 inches of water at the bottom of the interior of the trunk. No warning lights were illuminated. The contact stated that a musty odor was emitting from the vehicle. No cause for the failure was found. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The contact stated that the carpet in the back interior has mold. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was approximately 2,500.

Mileage: 2,500

While driving vehicle, the sunroof exploded. I had to fabric inner aspect closed so glass did not enter the vehicle. My [XXX] was in the 2nd row and would have had glass in her face if I had been driving with the fabric part open. Honda is fixing the sunroof currently but I feel unsafe driving with it now. I was on a side street with no overpass near, no cars around and no other vehicle to throw rocks. It simply exploded. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)