The idle stop system frequently fails to restart the car after shutting down the engine at a stop light. In some cases the car is difficult to restart using the starter button. In other instances the car restarts and then dangerously lurches forward.
2025 Honda Odyssey complaints
Owner reports filed with NHTSA about this vehicle, newest first and reproduced as filed. They are unverified accounts: one proves nothing, and a pattern across many is the thing worth reading. Back to the full 2025 record →
We've been experiencing issues with the Auto Idle Stop feature (the auto restart in particular). On multiple occasions, the vehicle will automatically turn off the engine while stopped in traffic, but will fail to start back up, requiring the driverto manually turn the vehicle off and back on via push button starter (sometimes multiple restarts is necessary to get it moving again). This seems VERY similar to the investigation referenced under - EA25004.
Auto start stop not working. This is happening quite a lot where there auto stop in activated and then the car wont start back. Resulting in the car having to be completely restarted.
Engine would not restart after the idle stop at a traffic light. I needed to put the car in park and turn the engine off and restart it. Shortly after this, at another traffic light, the idle stop caused a delayed restart of the engine and caused the vehicle to lurch forward suddenly. This has happened once before as well.
Back passenger side window broke while driving with no evident cause. Speed was between 25 and 35 mph, no other vehicles were present nearby, and no pedestrians were in the area.
While waiting at a red light with foot on the brake, the auto idle stop system shuts off the engine but fails to restart it when the foot is lifted off the brake, causing stalling. The vehicle has to be put in park and turned off completely and restarted before it will drive. This has happened twice, once on 5/1/26 and today on 5/7/26.
I was driving on the street about 15 miles per hour when the car sensor sensed something in front of my car and stopped automatically when there was nothing in front of me. Almost caused a rear-end accident, luckily, the car behind was able to stop
The vehicle's Auto Idle Stop system shuts off the engine at stop lights and other low-speed stops and, on multiple occasions, fails to restart, and the AIS disable button is sticking. We disable AIS every single time we drive the vehicle, and on multiple occasions the button has re-engaged itself mid-drive, meaning the safety hazard cannot reliably be avoided even with the workaround Honda recommends.
The car intermittently struggles to restart or dies and will not restart after stopping at a stoplight or stop sign due to the auto stop start. Even when the engine restarts after a stop, of often sounds like it’s struggling. The car has been taken into the dealership multiple times and the battery has been replaced twice. Honda dealer claims there’s no known issue despite numerous complaints online and report of a federal investigation into this issue with many Honda Odysseys and specifically the 2025 model year.
There is suspension noise coming from driver side when driving in low speed (10-30mph). You can feel it when turning and accelerating slowly. It started around 9000 miles after first service of the car. There was no noticeable noise before. Reported to dealer but they cannot fix it and told me everything looks normal.
When I am stopped at an intersection, my 2025 Honda Odyssey will often automatically stop the engine as part of its auto idle feature. However, three times in the last month, my car has stalled when it's time to start the engine. One time was on a highway when I was stopped at a light, and cars started honking and driving around me (including on the shoulder). Only after I turn the car off and turn it back on, can I start driving again.
The Auto Idle Stop feature caused the engine to shut down twice, both times at a stoplight
The contact owns a 2025 Honda Odyssey. The contact stated that while driving approximately 20 MPH, the vehicle inadvertently shut off in the middle of the road. There was no warning light illuminated. The vehicle was immediately restarted and driven to the residence. Additionally, while at a complete stop at a red traffic light, the engine Auto START/STOP system failed to restart the vehicle after releasing the brake pedal. The contact pressed the Push to Start button to manually restart the vehicle. The contact stated that the failure had occurred on several occasions. The manufacturer and the local dealer were notified of the failure. The cause of the failure was not yet determined. The failure mileage was 18,266.
While idling, the engine shuts off completely and requires the vehicle to be shifted into park and restarted before operation can continue. On multiple occasions, the engine has struggled to restart and cranked for several seconds before turning over. Honda of Tomball in Tomball, TX currently has it. This defect creates a significant safety hazard because the vehicle loses power unexpectedly while in traffic. The vehicle is immobilized until it can be shifted into Park and restarted, leaving us vulnerable to collisions or other accidents, particularly in busy intersections or congested roadways, and creates a serious safety risk to our family, children, and our daughter’s service dog. The vehicle has been presented to HOT multiple times for diagnosis and repair. This defect continues to happen. HOT has inspected this during multiple repair visits. To our knowledge, the manufacturer has not directly inspected the vehicle. (I have requested it with both Honda of Tomball and Honda of America.) No warning lamps or dashboard messages appeared prior to the stalling events. The failure occurs without warning while the vehicle is stopped in Drive. The primary symptom is sudden engine shutdown, followed by difficulty restarting in some instances. This issue began shortly after delivery of the vehicle and has continued intermittently. First documented time of problem was September 2025. Most recent is May 2026.
While idling, the engine shuts off completely and requires the vehicle to be shifted into park and restarted before operation can continue. On multiple occasions, the engine has struggled to restart and cranked for several seconds before turning over. Honda of Tomball in Tomball, TX currently has it. This defect creates a significant safety hazard because the vehicle loses power unexpectedly while in traffic. The vehicle is immobilized until it can be shifted into Park and restarted, leaving us vulnerable to collisions or other accidents, particularly in busy intersections or congested roadways, and creates a serious safety risk to our family, children, and our daughter’s service dog. The vehicle has been presented to HOT multiple times for diagnosis and repair. This defect continues to happen. HOT has inspected this during multiple repair visits. To our knowledge, the manufacturer has not directly inspected the vehicle. (I have requested it with both Honda of Tomball and Honda of America.) No warning lamps or dashboard messages appeared prior to the stalling events. The failure occurs without warning while the vehicle is stopped in Drive. The primary symptom is sudden engine shutdown, followed by difficulty restarting in some instances. This issue began shortly after delivery of the vehicle and has continued intermittently. First documented time of problem was September 2025. Most recent is May 2026.
While idling, the engine shuts off completely and requires the vehicle to be shifted into park and restarted before operation can continue. On multiple occasions, the engine has struggled to restart and cranked for several seconds before turning over. Honda of Tomball in Tomball, TX currently has it. This defect creates a significant safety hazard because the vehicle loses power unexpectedly while in traffic. The vehicle is immobilized until it can be shifted into Park and restarted, leaving us vulnerable to collisions or other accidents, particularly in busy intersections or congested roadways, and creates a serious safety risk to our family, children, and our daughter’s service dog. The vehicle has been presented to HOT multiple times for diagnosis and repair. This defect continues to happen. HOT has inspected this during multiple repair visits. To our knowledge, the manufacturer has not directly inspected the vehicle. (I have requested it with both Honda of Tomball and Honda of America.) No warning lamps or dashboard messages appeared prior to the stalling events. The failure occurs without warning while the vehicle is stopped in Drive. The primary symptom is sudden engine shutdown, followed by difficulty restarting in some instances. This issue began shortly after delivery of the vehicle and has continued intermittently. First documented time of problem was September 2025. Most recent is May 2026.
The engine shuts off completely when at a stop after releasing the break pedal. This occurs when the idle auto start is on forcing me to restart the car multiple times with the engine button until it turns on and I am able to continue driving. This is a SAFETY hazard because it happens during traffic and an accident can occur. I have taken it multiple times to the dealer with no replication being able to be done.
The vehicle's auto idle stop system is malfunctioning, resulting in the engine failing to restart from a complete stop. This total failure has occurred on five separate occasions, including while stopped in active traffic intersections. Prior to these total restart failures, the vehicle showed the following symptoms: 1) Initially, the vehicle experienced rough engine idling, abnormal vibrations, and a raw gasoline odor after driving. 2) This progressed to a noticeable delay between releasing the brake pedal and the engine attempting to ignite, during which the starter sometimes sounded strained. 3) This has culminated in the current defect where the engine shuts off normally when stopped at an intersection, but completely fails to immediately restart when the brake is released. This defect completely immobilizes the vehicle in active traffic lanes, exposing us to an immediate and severe risk of a rear-end collision. When the engine fails to restart, the vehicle locks the transmission out of drive and triggers a warning on the dashboard. It is a highly hazardous situation, especially with a lot of distracted drivers on the roadways.
The auto-idle off feature - yes The stall happened in a situation where cars behind me would have expected me to start moving and could have resulted in a rear-end collision. The vehicle has stalled like this three times. The other two times were not in public or traffic situations. It has not been reproduced or confirmed by a dealer or service center. It has not been inspected by anyone else. There were no warning lamps or messages prior to the failure, only after.
I've had several incidents of my car stalling occur since the purchase of the vehicle over the span of 16 months, probably around a dozen times or so. I will stop at a stop light and the vehicle's idle-stop system does not function properly. The vehicle shuts off but does not auto-restart. When I try to manually restart, nothing happens. There have been times where it took several times before the vehicle started back up. Even more seriously, I've stopped in the middle of traffic and the same thing happened. We have had a couple of very scary incidents of cars having to move over a lane to pass our idle vehicle. Thankfully no car hit us due to our idled vehicle. We have owned this vehicle for less than 1.5 years and have had two battery replacements. I've also had the vehicle not start from my garage or parking lot. When I try to start the vehicle a second time, there are times where the start button feels very firm and doesn't push down easily. I have to push the start button several times before the vehicle starts. I'm grateful there have not been any major accidents occur but this is an extremely unsafe situation for the driver and their passengers.
Many, many times vehicle stop/start feature has failed to start car. Have been stranded at busy intersection having to put car in park and restart car. Extremely dangerous. Took car to dealer and they deny there are any problems.
Issue with the idle auto star stop. I was driving on the freeway traffic stoped and I press fully down on the brakes and the turned of in stop and go traffic. Took about 5 minutes press and depress the brake pedal for the system to active again.
Starter failed to resume engine operation when auto start/stop disengaged motor at a stop light. This resulted in the vehicle being briefly inoperable after the light turned green, requiring other motorists to go around and leaving the vehicle stalled until engine functionality was resumed. Issue was reproduced by dealership, starter motor was deemed defective and was replaced under warranty. Vehicle had rough starts when resuming from auto stop for at least a week leading up to this incident.
On multiple occasions our vehicle has turned off at a stop (auto start/stop) and failed to restart upon pressing the accelerator. It then takes several seconds to be able to restart and get moving.
Description: Subject: Formal Warranty Claim – Spontaneous Glass Breakage and Request for Immediate Assistance Serious and unexpected failure involving my vehicle, a 2025 Honda Odyssey Elite (VIN: [XXX] ), currently with approximately 26,000 miles. On April 19, 2026, I submitted an initial complaint to Honda concerning what appears to be a spontaneous breakage of the rear side (fixed quarter) glass. The vehicle was parked overnight in driveway when the glass shattered without any known impact, external force, or evidence of vandalism. The fracture pattern is consistent with spontaneous tempered glass failure originating from the edge, which raises concerns of a potential manufacturing defect or internal stress within the material. On April 20, 2026, I presented the vehicle in person at my local Honda dealership for inspection and assistance. To date, no action has been taken, nor has any resolution been provided. This lack of response is unacceptable given the safety implications. Due to safety concerns, the vehicle is currently not in use and remains parked. I am unwilling to operate the vehicle in its present condition out of concern for further damage or risk. As a result, I am experiencing a significant disruption to my daily activities and mobility. Accordingly, I respectfully request the following: 1. Immediate review and approval of this issue under Honda’s warranty as a case of spontaneous glass breakage. 2. Prompt authorization for repair or replacement of the damaged
Idle start stop system was engaged at stop light. When I released the brake the van engine should have restarted - however the van completely died at this point. I had to wait about 10 seconds and then restart the entire car while sitting at the stop light. Very dangerous - the vehicle has also done this when at a stop light but cut off after I started to make a turn - leaving me in a dead vehicle in traffic's way -
When Idle start/stop function is engaged and then goes to restart, the engine hesitates or fails to restart all together.
I purchased a new 2025 Honda Odyssey XLE in February 2025 and soon noticed a clunking noise coming from the front suspension whenever I hit bumps. I contacted the dealership, and they scheduled an appointment. After inspecting the vehicle, they told me they could not find anything wrong. However, when I left the dealership, the noise was still there. The issue has since gotten worse. The clunking noise can now be heard when starting the engine, during transmission downshifts, and over even small bumps in the road. It feels like something in the suspension is loose, and I believe it is unsafe to drive. I am requesting that the vehicle be bought back. The dealership where I purchased the vehicle is 380 miles away, and I am currently on military orders, which makes it difficult for me to return to that location.
This is the second time I have taken it to the dealership. When sitting at a stop and the automatic stop and start happens, it acts like it does not want to crank back up. Last time the dealership said it was the battery; they replaced the battery, but that has not fixed the issue. if I am at a stoplight and it does not start back, that is not a good feeling my wife now does not want to drive the van anymore because of the seriousness of this issue as well has having young children in the car. This is a van that was bought brand new and has been in the shop more than it has been driven.
When I am stopped at a stop light or in traffic my auto start fails and kills the electric in my vehicle when I push the pedal to go. This has happened several times and in one instance, almost caused me to be rear ended. It took several attempts to restart the car all while other cars are buzzing past me. It is currently at the Honda dealership for the 4th or 5th time for this same issue. My battery was replaced all ready thinking that was the solution, but it was not. I personally know of two other people having this exact issue with their vans.
The contact owns a 2025 Honda Odyssey. The contact stated that while driving at an undisclosed speed, the idle stop feature turned off. The contact stated that the parking brake unexpectedly engaged, and the vehicle shut off with the message “Idle Stop Not Available” displayed. The contact was able to restart the vehicle. Additionally, shifting the vehicle out of park became difficult, and the contact had to wait an extended period before the vehicle could be restarted. The contact stated the failure would not occur while the idle stop feature was engaged. The vehicle was taken to the dealer, but was not diagnosed or repaired. The dealer informed the contact that the failure could not be duplicated. The contact was advised to return the vehicle if the failure persisted. The vehicle was taken back to the dealer; however, the vehicle was not diagnosed or repaired, and the dealer refused to disengage the idle stop feature. The manufacturer was made aware of the failure. The failure mileage was approximately 23,000.
Multiple times since purchasing the vehicle, the engine fails to restart after the automatic idle stop feature engages at red lights or stop signs. When I release the brake to resume driving, the vehicle attempts to restart but makes a struggling or grinding noise and then stalls completely, similar to a dead battery. The vehicle becomes unresponsive and does not restart immediately. I am forced to turn the car off and attempt to restart it multiple times, often waiting several minutes before the engine turns back on. This has occurred in traffic, creating a safety hazard due to vehicles behind me and my inability to move the car. The issue appears to be related to the automatic idle stop/start system and may involve the starter or battery failing to properly restart the engine.
The contact owns a 2025 Honda Odyssey. The contact stated that after coming to a complete stop, the Auto START/STOP feature engaged, causing the vehicle to idle, the transmission shifted to park(P), and the engine failed to restart independently, and the vehicle turned off unexpectedly. The battery warning light was illuminated. The vehicle was restarted. Additionally, the vehicle made a clanking sound while driving over a bump or while making a turn. The vehicle was taken to the dealer, and it was determined that the battery had low voltage, and the contact was advised to deactivate the Auto START/STOP feature. The vehicle was not repaired. The contact related the failure to NHTSA Action Number: EA25004 (Engine and Engine Cooling). The manufacturer was not made aware of the failure. The failure mileage was approximately 10,000.
Engine Shutoff/Idle Stop Failure: The vehicle fails to restart after the automatic idle stop engages in traffic, requiring a manual restart. Electrical System Malfunctions: car dying at stoplights, loss of power, and, in some cases had to restart in "limp mode" where the vehicle is restricted to 1st gear,not very safe on major highways. Reported this to Honda during service on 3-16-26, they didn’t find anything? Has happened 7 times since it was serviced.
This is the fifth time the auto engine shutoff failed to restart after I stopped my car at a stoplight or traffic. This results in potential rear ended accident as one time it stopped in the middle of traffic on the freeway, another time the car behind me at a right turn light that turned from red to green almost rear ended me. No, I brought the car to Honda dealership and they said no problems. But this auto engine shutoff that failed to restart has occurred fifth times. Vehicle has been inspected by dealer and unable to reproduce because they didn’t drive it and step on the brake and have it stopped in middle of traffic. There was an engine warning light that occurred twice but disappeared after 1-2 days before my scheduled dealership appointment. I mention this to dealer. The failure happens suddenly without warning once I step on brake without turning off the auto engine shutoff which I sometimes forget because it is every single time I turn the engine off the auto shutoff would reset. I called Honda America back in January 2026 when I had this problem. I changed my car battery already and so it is not a car battery issue.
My van seems to struggle when traveling longer than 80 miles. I stopped on a trip at a rest stop and it would not restart. I had to get jumped and I purchased a new battery. I took my van into Honda and both batteries tested fine. No code is being produced though the dealership was able to replicate the issue once. After longer trips while using the air conditioner also have an issue with the auto/stop start not reengaging after being at a stop light. The dealership told me nothing is wrong a battery terminal was loose after they kept it for a week which I do not believe.
The issue involves a malfunction of the auto start/stop system in my 2025 Honda Odyssey, where the engine fails to automatically restart after coming to a stop. The vehicle instead requires a manual push‑button start to regain engine function. The vehicle and all related components are available for inspection upon request. This failure created a significant safety risk, as the vehicle became unexpectedly inoperative in active traffic. Losing propulsion at intersections or stop‑and‑go conditions exposes occupants and surrounding drivers to the risk of a rear‑end collision or being stranded in a hazardous location. The problem has not yet been reproduced or confirmed by a dealer or independent service center, but it has occurred during normal operation. The vehicle has not been inspected by the manufacturer, police, insurance representatives, or other third parties regarding this specific failure. There were no warning lamps, messages, or prior symptoms before the failure occurred. The issue first appeared without any advance indication.
On 4/4/2026, my child sustained a serious finger injury involving the power sliding door. The child activated the power sliding door using the interior door button. While the door was closing, the child’s hand remained on the front (leading) edge of the sliding door where it meets the door frame (B-pillar). The child’s finger became caught between the closing door and the frame. The power sliding door continued to close completely and latched shut on the child’s finger. At no point did the door stop or auto-reverse, and there was no noticeable slowing, hesitation, or warning indicating obstruction detection. The door operation sounded normal during closing. The child’s finger remained trapped until an adult manually opened the sliding door to release it. The injury involved a finger amputation involving the distal portion of the finger with an open fracture and nail involvement, requiring emergency room treatment. Emergency department records document a diagnosis of fingertip amputation, with radiology findings noting a soft tissue amputation defect and concern for distal phalanx (tuft) fracture of the affected finger. Follow-up evaluation on 04/06/2026 confirmed the severity of the injury and resulted in an urgent same-day referral for orthopedic/hand surgical evaluation.
2025 Honda Odyssey has been stalling due to Auto Idle Stop (AIS) failure to restart at traffic lights or stop signs. Engine fails to restart automatically and car needs to be manually restarted with push-button off/on switch. No apparent fix issued by Honda.
Upon coming to a complete stop, the engine has failed to reengage causing the car to stall in traffic. The car has restarted after being turned off and restarting but with traffic moving all around us and cars behind honking because they think we are failing to go. If we happened to stop in an intersection it could be even more dangerous. This has happened 3 times so far I. The past couple of months. At first I thought we accidentally pressed a wrong button or did something that caused the engine to stall, but upon research and talking to others with Hondas this appears to be a known issue. I am taking the car to the dealership on 4/10/26 to get looked at. There was no warning light or error messages prior to to happening. We bought the car new and it has only 10,000 miles on it.
The Auto Idle Stop system on my 2025 Honda Odyssey fails to restart the engine when the brake pedal is released quickly after a full stop. When this occurs, the vehicle stalls completely in traffic and must be manually restarted by the driver. This has happened multiple times and is reproducible. The failed component is the Auto Idle Stop/engine restart system. The vehicle is available for inspection. My safety and the safety of others has been put at risk multiple times because the vehicle stalled at traffic lights in active traffic, leaving me unable to accelerate through an intersection. The problem has been confirmed by Honda Marysville dealership. The dealer stated they could not repair the issue and advised me to modify my driving behavior as a workaround. No repair was performed. The vehicle has been inspected by the selling dealership. A message appears during the failure telling me to restart the car. The problem first appeared within the first year of ownership on a brand new vehicle with basically zero miles at purchase. The cause appears to be a defect in the Auto Idle Stop restart system that fails under specific braking conditions.
When stopped at a red light, the vehicle’s auto off system turned the engine off. When the light turned green and I removed my foot from the brake, the engine stalled and would not restart. I pushed the start button several times, put the vehicle in park, pushed the start button a few more times, and finally got it to restart. Luckily, this happened leaving my neighborhood and not in a more precarious situation. This has happened approximately 20 times now. I’ve had the vehicle inspected by the dealer. They could not replicate the issue, but acknowledged that Honda knows it is an issue. They aren’t willing to fix it until there is a recall on the vehicles. In the meantime, I have a one year old vehicle that sputters and struggles to restart more often than not. I have had the vehicle stall like this after the auto off system turned the engine off when trying to merge into traffic on the interstate. I had a near miss to an accident at that time because the vehicle stalled and would not restart.
This vehicle comes with idle stop. Many times especially at red light, the idle stop switches off the engine but then it does not restart automatically. We have to switch off the car and then restart it again. This takes some time. In the meantime, it is the panic with cars honking behind us.
I was stopped at a stop light and the idle stop function activated, turning off the engine, as designed. However, when the light turned green and I released the brake, the vehicle stalled out. I had to completely turn off the vehicle and restart it.
My 2025 Honda Odyssey has had trouble turning on since it has been about 9 months old. It doesn't always turn on from being off. It doesn't always turn on when the vehicle is already on and the auto-start-stop system turns the engine off. More often than not it struggles to start but eventually does. I took it in for service and the dealership replaced the battery. It continued to not start. The new battery did not improve the symptoms. I scheduled another appointment for service and the dealership kept lying and gaslighting me into believing that they did something to improve the symptoms. They claimed to have updated the computer system software/firmware versions. I asked which ones were updated and they said that none were, it was all up to date. They claimed to have "reset" the auto-start-stop system. I asked how that would improve performance when the vehicle doesn't start from being off as well. The vehicle is unsafe to drive. It turns off at stop lights, stop signs, in medians when I am trying to make turns. The engine not restarting in parking lots from a complete stop is also very concerning. I hate and fear my Honda and I am scared to drive it. I have taken it to multiple dealerships to get it fixed and none will do anything. I have a video recorded after this occurred at a red light. The video shows the status of the vehicle and attempts to restart it. This was recorded February 19th 2026.
Vehicle failed to restart after Auto Idle Stop engaged while stopped in traffic. The engine shut off as expected but did not restart when releasing the brake pedal. A warning message appeared briefly on the dashboard but could not be fully read due to traffic conditions. The vehicle remained unresponsive until I shifted into Park and manually restarted the engine. This has occurred intermittently. The vehicle was previously evaluated by a dealer for the same issue, and the battery was replaced at approximately 15,000 miles. The problem has continued to occur after battery replacement. This creates a safety concern due to inability to move the vehicle in active traffic.
My 2025 Honda Odyssey has failed multiple times in the middle of the road when coming to a complete stop. Auto idle engages and when I try to press the gas the car malfunctions. I have to turn off the car and turn it back on again for it to start. Also at times the interior of the car will start to smell like gas.
At a stoplight vehicle turned off and gave a battery light and vehicle lost all power and placed vehicle in park. A warning message came up very quickly about something wrong with the auto start/stop system on display. Vehicle remained off until after opening door and pressing engine start stop button multiple times along with depressing and releasing brake pedal multiple times. This occurred the first time in late February 2026 then again on 3/21/26. Vehicle has 46,880 miles currently.
Auto off system malfunctioning at stoplights. Happened 4 times in 10 days. Remove brake to accelerate and van is no longer in drive. Dash says to depressed brake to engage drive. Do this and will not go into drive. Need to turn vehicle off and back on to be able to place van in drive. One time it would not engage in drive and was able to depress brake and get back in drive but dash kept flashing “brake.” Afraid I will get rear ended at a stoplight
I’m experiencing issues with the Auto Idle Stop system. The engine fails to restart on its own after a complete stop. I get an error message and I have to manually restart. This has happed at stoplights and in the middle of an intersection during heavy traffic which is a big safety issue.
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NHTSA publishes every complaint as the owner wrote it and investigates only a fraction. Spelling, capitalisation and judgement are the filer’s own. What carries weight is repetition: the same component failing the same way across many filings, and whether the manufacturer eventually opened a recall for it.
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