general problems of the 2018 Honda Odyssey - part 2

Windshield monocular camera overheated. No longer working.

Defect-linked electrical failures and refusal of support – 2018 Honda Odyssey I am filing a formal complaint regarding Honda’s refusal to cover a known, dangerous defect in my 2018 Honda Odyssey (VIN: [xxx] ). My vehicle is experiencing electrical and system-wide malfunctions that directly match technical service bulletin 21-013, yet I’ve been denied goodwill coverage, and I am being forced to pay out-of-pocket for diagnosis and repair. The problems include: •ongoing, loud popping sounds from the speakers while driving and after shutdown •system power failures, with audio and bluetooth activating before the key is turned •low battery warnings without cause •factory Hondavac system failure, now showing “pwr save” despite a running engine I am a parent of five children and rely on this vehicle for daily transportation. These failures not only distract and stress the driver but compromise safety, communication, and vehicle reliability. Honda’s decision to shift financial responsibility for a known defect to the customer feels unjust and exploitative especially as many others have reportedly received goodwill repairs for the same issue. I am asking for assistance in holding Honda accountable under massachusetts consumer protection laws. This is not typical wear and tear it is a manufacturer defect with ongoing safety implications. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

Suddenly the van gave me 5 different warnings as below. 1. Adaptive cruise control problem. 2. Lane keep asist problem 3. Collision mitigation system problem 4. Road departure mitigation system problem 5. Auto high-beam problem on top of these, 'brake system' light also turned on.

I have had four diagnostics on this vehicle and it's pointing to sensors which are inside the transmission transmission was not leaking and wasn't slipping or nothing I went to get in the vehicle after it was sitting for an hour and I put it in reverse it went right back in the park I put it in dry went right back in the park I couldn't get it out of the park and it was saying on the dash that stop driving one safe transmission problem emission system problems okay like a four diagnostics that are saying that it is sensors transmission pressure sensor a park neutral switch is bad power source failure steering angle low voltage sensor failure four different things I cannot get any help I hear a bunch of different stories some are saying the transmission not so we're saying it's not a transmission isn't slipping I drove it car was fine it won't go into drive I've been told and I researches so much that if it's happened on the road it could slam in the park the be able to roll they could crash it's a very bad safety issue there are recalls on 50,000 of this year of the Honda Odyssey I'm being told that my VIN number is not on the recall list I don't understand why not it's doing exactly what all the other 50,000 recalls are doing and I can't get help fixing mine.

My tailgate stopped working, I was getting messages on my dash board that there was transmission system problems, reverse warning problems, keyless entry system problems. It always seemed to happen after a rain. I found that the van is leaking water through the driver’s side roof rack gully, near the back, and water is leaking right on the tailgate control system, causing all these other problems. It is also causing the battery to drain when car is parked idle. There should be recall to fix the leakage and replace the controller. It's a design defect, water shouldn't sip inside and burn the electrical components. Costing me hundreds/thousands. This is also safety issue because water damaged controllers causing issues with adas components too - getting check engine, break lights, etc. While the car is in motion. If those safety features are not working, that can be very dangerous. Thanks.

Failure of the tailgate module and blind spot sensor simultaneously. Electrical issues previously fixed due to water infiltration and this seems to be a recurring issue.

Auto engine stop feature shuts off the vehicle when engaged. When the vehicle comes to a complete stop at a light or in heavy traffic, the auto engine stop feature will engage but the engine will not restart. The only way to restart the engine is to shutoff the vehicle, open and close the drivers door, then restart the car. This problem has been occurring for a few years. We have brought the vehicle to a dealer but they say nothing is wrong.

Improper seal on exterior driver side roof near trunk lift gate. Allows water inside during heavy rain or when going through a car wash and the water damages the control module for the power tailgate. Damage to the control module cuts off any use of the tailgate, even manually. This is a $900+ repair due to a manufacturer error.

Front facing camera malfunctioning, and it is available for inspection upon request. This malfunction causing 5 different warning lights to show up on dashboard. Including 1. ) auto high beam problem, lane keeping assist problem, collision mitigation system problem, adaptive cruise control problem, road departure mitigation problem. The issue has been confirmed by the dealer. There were no warning lights prior to the random malfunction. I have not had wind shield replaced (which I have read could mean a calibration of the camera issue), nor has there been any accidents taken place. My safety is at risk as I am unable to use these features while driving unless the front camera is replaced.

The circuit board for the module that controls the power lift gate is damaged from water. Water seeps in the roof rail and wets the panel causing the the power tailgate to lock shut and unable to be opened.

Multiple warnings occurred simultaneously for the "brake system" intermittent. I have the same issue per [xxx] for my Honda Odyssey 2018 elite. I can see the same problem by a lot of people. I told Honda and paid them $220 diagnosis fees and they ended up asked me to change the whole camera that cost 4k. This obviously defect issue from Honda. Looks like known issue for this. Can this escalate back to Honda? for example [xxx] [xxx] [xxx] information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

Went to leave my house at 8pm and the car was malfunctioning. Blind spot problem, parking sensor problem, road departure mitigation system problem, auto engine idle stop problem . Lights flickering on and off, console lights not working, can’t control heating speed. Light would not stay on as I was driving . I have a couple videos of the malfunction.

During rain and snow storms I will get warning lights that the power tailgate isn’t working. Last year when I took it into the dealer they said the tailgate would open and close randomly and there was water in the rear fuse box. I thought I fixed the issue by replacing all the wires from the rear all the way to the front. They fixed my tailgate and did water testing to make sure no water was coming in through the tailgate and all was great. Fast forward to this year and the middle of February we had an all day snow and rain storm and I start having these same warning lights along with a couple others. By the end of the day the tailgate completely stops working. I take it back to the shop that had originally fixed it and water is getting in. Not from the tailgate but through some unknown opening. The fuse board is completely corroded and we have to replace it again. They could not determine where the water is coming in from. I do not want to be driving down the road and have my tailgate randomly open and have items fall on the road causing injury to someone. Nor do I want to have to pay $1000 to fix the circuit board every time it rains or snows. I live in utah it happens frequently.

My car has had all recommended service completed by the dealership since I purchased my Honda Odyssey in 2018. On 2/18/25, my power liftgate started malfunctioning. An error message beeps inside my car 4 times, every 4 seconds and cannot be manually turned off. I took the car to the dealership and was quoted $7500 to make the repair. My car only has 90,000 miles on it and has passed all of my previous service inspections. Supposedly, water is getting into the rear control module. I have never had water in my car so this is clearly a manufacturer's defect that is allowing water to seep into the rear control module.

The power tailgate has a failure. I took my minivan to a local mechanic who said the motor has failed. I tried to see if I could do the repair myself and came across a number of forums and youtube videos that detail this is a known, reoccurring issue.

The tailgate control module (tcm) was infiltrated with water due to a crack in the seam on the rear driver side panel. This caused the tailgate to be unusable and no longer latch as a result of no power to the tailgate latch. The tcm (part #: 74970-thr-a12) had to be replaced as well as all seams needed to be sealed.

The seam seals on the rear driver's quarter panel of the vehicle are faulty and allowed water to flow into the cabin of the vehicle. The resulting damage was loss of function to the rear power lift gate, front seats, remote start and other key fob functions, as well as a dead battery(assumedly due to arcing on wet circuitry). The damage rendered the lift gate inoperable as I it initially closed but came open during operation. We continued to receive a power lift gae problem on the "heads up display" but the power gate would not open or close, electrically or manually. After a few days the gate opened but would not close, rendering the vehicle unsafe to operate. Furthermore, the battery was dead and would not start. Had this incicdent not occurred in our driveway we could have been susceptible to being stranded in sub-freezing temperatures with kids. The vehicle was taken to a dealer and they confirmed a roof leak was a cause of the water incursion. The power lift gate module and floor harness were damaged causing failures to lift gate operation and other electronics. It will cost $7000 to have it repaired at the local Honda dealer. Pending completion of repairs and paperwork for submission.

Tailgate warning beeps. Tailgare will not open or close. Dashboard lites flash. Vehicle will not start ! cannot start or move vehicle!.

Power tailgate malfunctions. Random errors showing on dashboard and randomly attempts to open on its own.

Did not control engine up and down fuel nt work.

Infortainment center shuts down and loses connection. Which means there is no communication with the backup camera or navigation. Popping noises from the front speakers start static and pop then the screen states connection lost then goes black. Turns back on in about 5-10 minutes depending. Also the lighting for the buttons around the center are not working as well. Idk if this is related or is an overload that the system cannot keep up.

Unknown but many Honda Odyssey owners are reporting the same issue which most likely caused by defective multipurpose camera at the front windshield. This create alerts and deactivates safety features: adaptive cruise control, emergency braking, lane keep assist, collision mitigation, auto-high beam, road departure mitigation, and brake system.

Driving vehicle on the road, the suite of driver assistance system suddenly failed including lkas, front collision warning system, adaptive cruise control, lane departure as well as brake system light. I took the car to the dealership which indicated the front camera had catastrophically failed. This issue seems to be a recurring issue in all models of Odyssey minivans. The issue is well documented in online forums. It should be a safety recall from Honda compared to other recalls on same vehicle. Dealer quoted me $2000 to fix this! Honda - fix this and issue a recall before there is a lawsuit and someone gets hurt.

Multiple dash lights warnings (lkas, forward collision, lane departure, etc. ) came up. Brought it to the dealership and was told that this is an electrical camera issue that is overheating, and there is no preventative or ways to keep it from happening. It would cost an upward of $2000 to fix it. This should be part of the recall since it seems like it’s happened quite frequently with the other Honda Odyssey.

Lane keep assist, road mitigation, auto hi beam, adaptive cruise control, collision avoidance, road departure all errors and no longer work. New windshield wuth calibration August 2024, new battery 10/28/24. Issue started 10/25/24. A little over 90,000 miles on vehicle. Started vehicle in parking lot and all warnings came on. After new battery, warnings cine on and off at random.

Just purchased a 2018 Honda Odyssey elite and as soon as I turned on the sound to listen to music for carplay /bluetooth/stereo all methods of sound it started making loud crackling sounds and starts going intermittent with sound cutting out. I lowered the volume and crackling still loud like little tiny rocks hitting window sound. I seen there's a recall with the same issue for other vehicles but when I input my VIN there's no recalls. I am having the same issue and feel like my VIN /vehicle type should be on recall as well.

What component or system failed or malfunctioned, and is it available for inspection upon request? tailgate stopped opening and then opened unexpectantly; vehicle is available for inspection how was your safety or the safety of others put at risk? tailgate opened while driving has the problem been reproduced or confirmed by a dealer or independent service center? no has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? no were there any warning lamps, messages or other symptoms of the problem prior to the failure, and when did they first appear? warning alert that tailgate had failed and warning went away approximately 12 hours bofore tailgate unexpectantly opened.

Failure of the front windshield mounted monocular camera from overheating causes all advanced driver assistance systems to shut down such as automatic emergency braking, adaptive cruise control, lane assist, etc. This is a very common occurrence in not just the Honda Odyssey, but other Honda models as well. A new part can be anywhere from one to two thousand requiring dealer calibration. The heat from the sun, the location of the monocular camera and possible contribution from replaced non-oem windshields may contribute to the overheating. With all safety devices disabled, the vehicle becomes unsafe to operate requiring immediate attention and dealer only service since a new device requires calibration.

All of our sensor controlled equipment is not working. Lkas, acc, forward collision, auto brights, etc.

The right sliding door has had intermittent malfunction for years. Often, the door will not work with an automatic function and must be pulled open or closed manually which is nearly impossible to accomplish. Most often the right sliding door malfunction notification appears when driving at highway speeds which is extremely unsafe. This has been inspected by the dealership and no fix or resolution was provided. Recently, all of the adas systems are intermittently malfunctioning. They work about 1 out of every 5 times the vehicle turns on lkas, auto braking, adaptive cruise control, are all affected. Within the last week the internal camera system has been failing, audio stops working, and most importantly the rear hatch has been closing on its own while I am standing underneath it loading the trunk. This is also very unsafe, it atleast beeps to warn that it is closing but I sometimes barely have time to get out of the way. Yesterday while driving in the highway, two warnings appeared simultaneously for “transmission system problem” and “blind spot notification system error”. The vehicle started again without the transmission system or blind spot error but I am very concerned about the degrading electrical system issues that I have been experiencing with this family oriented vehicle model.

There is a water leak in the body of the van (where the top and side are welded together). The water has caused damage to the electrical panel that controls the back door/liftgate. The water damage is also shorting out and causing electrical damage and the battery to die very often. I have noticed many complaints about this. I believe this should be a recall because it is a flaw in the making of the vehicle and nothing I could have done to prevent it.

Initial issue was that the power tailgate would not open at all. Took the vehicle to the dealership where they replaced the latch and the control unit that was completely fried. When I asked what could cause that, they said they didn't know. I already suspected water. Two days after picking the vehicle up from the dealership, the tailgate is now constantly opening and closing on its own. The only way to stop it is to turn off the vehicle and lock it. I searched online and found multiple posts from people with the exact same problem and almost all of them say it was water getting into the control unit. This poses an obvious safety concern since it could close on one of my kids. They would not be strong enough to stop it. I have reported the issue to Honda hq and have recommended that the other people with the issue do the same.

The tailgate malfunctions and the car does not register the tailgate as closed even if it is closed. The power tailgate ceases to be operational and the locks do not work. The cause is a defect in a seam which allows rain water to reach the control unit for the tailgate. This was confirmed after an inspection at an official Honda dealer. This is a safety issue because it renders the car inoperable. The “tailgate open” warning signs and sounds flash. There is currently a Honda “engineering request for investigation” released. It can be accessed at the following link: [xxx] information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

Crack in body seam above driver and passenger side of the tailgate and underneath the roof rail cover caused water leakage. This resulted in a short of the power tailgate control module which draws down my battery and causes unexpected trunk closing during normal use. Family members have been hit in the head by the trunk due to the unexpected automatic emergency closing.

Tailgate malfunction due to water seeping through tailgate resulting in tailgate module to stop working.