2018 HONDA ODYSSEY Structurebody Problems

A problem with the frame of the van in the rear/above the liftgate not being properly welded created leaking/malfunction of the liftgate and water remediation needed under the headliner. A significant safety issue was created-causing unprovoked opening and closing of the liftgate during operation of the vehicle both while parked and moving. Multiple times were individuals harmed during this process, as well as health issues from riding in the van during long period in an environment with mildew and mold development.

The sliding doors will not open at intermittent times. Warnings will flash off and on about door error but not consistently. If there is an incident or an emergency, the door will not open. If there were an accident and the driver cannot turn off the power door switch then anyone in the back cannot get the door to open, they would be trapped. We have had one motor replaced already. We opted to do that because we had a newborn on that side and we needed to be able to get to her quickly if she needed us and we were unable to rely on that door. The other door is doing it as well.

Water intrusion, verified by observation/application of water. The leak resulted in water dripping on the Tailgate/Liftgate Control Module and the general rear cargo area, causing corrosion inside the control module rendering the control module inoperable, which made the power liftgate inoperable as well. Additionally, the rear cargo area had standing water that had accumulated over an unknown period of time that was visible when you lifted the carpeting. The liftgate latch mechanism also "locked" while the liftgate was open, making securing it closed in the normal way impossible. I would have needed to secure it with bungee cords or tape or some other haphazard way if I wanted to drive it safely on the streets or any contents in the back of the van could have fell out in traffic, or the liftgate may have inadvertently lifted at any time or place uncommanded, causing any type of hazard. Replacing the...

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.

The passenger side sliding door was generally having issues with latching fully closed. But even after managing to get the sliding door fully closed, the rear passenger sliding door partially opened up by itself whilst going over a speed bump. It seems to be very dangerous for a sliding door to even partially open itself while the vehicle is driving and in motion. I've asked Honda to look at this pursuant to recall No. 20V-437 (which would seem to be the issue described in the recall of the door opening by itself), but Honda is advising that I may need to pay for even the diagnosis out of pocket without any acknowledgement that the repair or diagnosis will be covered. Date below is very approximate - all of this has happened over the last month or two.

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

Safety Recall #18-128, Power sliding door rear latches was performed on or around September of 2020 on my vehicle. Last week (04/30/2025), my passenger side sliding door would not open. After removing passemger side inner door panel to inspect, found rear latch cable frayed closest to a microswitch found (as of 05/04/2025, it is currently held together by 2 strands of the cable). I also verified the operation between the front and rear latch of the passenger sliding door with the door panel off, and noticed it intermittently touches the microswitch when closing the door, further confirming the issue. My concern is the rear latch cable being frayed. The latches operate normal and as intended, the problem is I cannot purchase the cables separately, only as a complete unit with the latch.

Both of the manual passengers back doors will not fully close and lock.

There is water leaking in the body which damages the power tailgate control module located at the rear driver side. the tailgate doesn’t open and endanger people inside in case there is any accident.

Leakage through the top driver's side pinch weld near the rear of the vehicle has allowed water to infiltrate the power tailgate control module and render it sporadically operable. This has affected the vehicle main computer, causing unreliable operation of powered vehicle exit doors.

Our 2018 Honda Odyssey has continued to experience power sliding door issues that were initially addressed by NHTSA campaign numbers 18V795 and 20V437000. Our vehicle underwent the recommended repairs in both campaigns. The vehicle is available for inspection upon request, and the problem was reproduced by a dealer. In short, after undergoing both warranty repairs, the same problems gradually cropped up again. When attempting to close the door with the power-close button, the sliding door would sometimes stop about three-quarters of the way, and then open fully again. This would happen even when nothing was obstructing the sensor. This happened on both sides of the vehicle (i.e., both sliding doors), and eventually the doors ceased working altogether (albeit at different times) and we brought the vehicle to Honda for a non-warranty repair. The dealer was able to reproduce the problem in both doors, and they made the necessary repair in...

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...

Tailgate warning beeps. Tailgare Will NOT open or Close. Dashboard lites flash. Vehicle will NOT START ! CANNOT START or move Vehicle!

The rear tailgate stopped working. Upon investigation, there is structural issue with the body. There are holes near rear tailgate which allows to water to pass through. The water has damaged the rear tailgate motor and now the door is inoperable. This has been a common issue with Odyssey minivans 2018 and newer model. We have contacted honda regarding the issue and they refuse to accept any liability regarding the body defects.

Our 2018 Honda Odyssey minivan had water leaks intruding and collecting into the power tailgate control module on the driver-side rear compartment causing the tailgate to become nonfunctional and not lock properly or open/close appropriately leading to a major safety issue where the tailgate may open or even not close during movement of the vehicle leading to significant risk to passengers with respect to accident or bodily injury. This power tailgate issue appears to be caused by defective rear body seam seals from the manufacturer that allows water to leak into the rear driver's side panels and intrude into the module leading to damage and destruction of the module circuit board. I have needed to purchase a replacement for the module (~$200) and I have provided photos to show the water damage.

After weathering hurricane Milton, the rear liftgate on my 2018 Honda Odyssey will not open. No apparent damage was done to the vehicle, however after starting the van, the dash stated there is a power liftgate issue. This warning was not present before. After doing some research the issue appears to be the tailgate control module, as many other people have found this to be the case. Some people have said to open the tailgate from the inside using the manual latch. However, in my case after attempting to do so, the door remains stuck. A lot of people have pointed to water intrusion as the reason for a faulty Tailgate Control Module. If I am able to open the liftgate manually I intend to replace the faulty module.

This Honda Odysse 2018 model has leak water on rear corner . You have to find out where is leaking and fix it , if you don't fix water leak after you install new control unit it will happen again . To find out where is leaking is a major problem. Honda DO NOT recall on it

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)

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.

Dear NHTSA Team, My Honda Odyssey 2018 EX has been having issues with my Driver side Sliding door opening/closing using the Auto power. It was randomly sometimes not fully closing (kept reopening). Then it would get fixed automatically . This was happening for 3+ years . I had got the open recalls done over the years. This week it just stopped opening suddenly . And it was not getting resolved either manually or even after turning ON/OFF car . I took it to Honda Dealership in Dublin, California . They said error code B2049 the left slide door motor and door cable , latch were all faulty. And it would cost about 2500$. This was very expensive and I asked them to just put the door back and they charged the labor cost of 730$. When i look up online I see in forums multiple customers having such issues in...

During my recent recall repair by Ed Morse Honda in Riviera Beach, FL, I was advised that the rear tailgate sensor was reported as "wet". I do the maintenance myself, so I passed on a repair at that time by the dealer. Today, I researched what might have failed both online and with my Alldatadiy subscription, and accessed the part. Indeed, the Liftgate Control Module was molded and need of repair/ replace. However, I have grandchildren now, and during the removal - realized that in a water accident or other hazard where power is lost, there is NO WAY for rear passengers to exit the van by the rear tailgate. There is NO readily accessible latch or pull to open the tailgate from the inside, and NO key nor latch available from the outside for outside assistance. Additionally, if a child is in need of exiting the rear tailgate, there...

The Control Module for the Power Tailgate experienced total failure due to water damage, documented by the servicing dealership (attached service invoice) and demonstrated by the attached photos. The point of water intrusion could not be determined definitively, but cracks in the bonding location between the roof, rear driver's side exterior D-pillar panel, and tailgate surround are the likely culprit (photos attached). Failure of the Module resulted in an unusable tailgate, except for a single manual lever on the inside of the vehicle, accessible behind a piece of plastic. It also resulted in a ceaseless, loud, constant beeping on both the inside and outside of the vehicle when traveling at over 1 mph. This vehicle has never experienced an accident.

Part of the interior frame under the dashboard disintegrated. This was discovered while Honda was fixing a different recall involving electrical components.

The Control Module for the Power Tailgate experienced total failure due to water damage, documented by the servicing dealership (attached service invoice) and demonstrated by the attached photos. The point of water intrusion could not be determined definitively, but cracks in the bonding location between the roof, rear driver's side exterior D-pillar panel, and tailgate surround are the likely culprit (photos attached). Failure of the Module resulted in an unusable tailgate, except for a single manual lever on the inside of the vehicle, accessible behind a piece of plastic. It also resulted in a ceaseless, loud, constant beeping on both the inside and outside of the vehicle when traveling at over 1 mph. This vehicle has never experienced an accident.

I'm constantly having issues with my right sliding door on my 2018 Honda Odyssey, opening after it's been closed and I'm constantly getting beeping alerts on my dash saying problems with right sliding door while I'm driving. It's been happening for a while now. Fortunately, the door hasn't opened while I'm driving on the road yet, although it did occur once while I was backing out of my driveway. I notified the dealer before which they told me there was no recall on the door and they would have to charge me money to try to replicate the problem and if they found nothing wrong, I would be out of that money. There was a recall on the doors back in 2018, NHTSA campaign number: 18V795 but I didn't receive a recall notice. The alert on the dash happens almost daily at random times.

Water getting into rear liftgate control module. Had to replace seal and module.

Power Tailgate is not functioning and the trunk opens on its own. Yes, available for inspection. The trunk opening on its own puts the safety of everyone in the car at risk. I had the same issue 9 months ago, the dealer charged me $1200 to fix it. The dealer inspected it and stated it was due to a water leak that damaged the control module for the Power Tailgate. Nothing prior, a "Power Tailgate Problem" warning appeared on the dashboard, and the Power Tailgate stopped working.

A water leak above the tailgate control module flooded it to the point that it operated erratically and would raise and lower the tailgate randomly or not work at all. I plan on replacing the module myself but will retain the old one. Anytime the entry or exit points on a vehicle open randomly cannot be a safe condition. The dealer charges $130 for any inspection or diagnostic so no I am not paying them to tell me something is broken. The vehicle currently is showing a "Power Tailgate Problem" and a yellow box with "TAILGATE" in it on the dash display and is currently unresponsive to any input that would operate it: remote, tailgate buttons, and driver button. The power locking system is still operable. The Odyessy forums clearly describe multiple occurrences of this failure and the culprit is a water leak in rear window or rear section of...

Rear tail gate will not open even manually due to water getting inside of control module due to faulty design which causes water to go into the module and fry it would open and close randomly when it would rain now it has stopped working all together no indicator on dash anymore I guess this last rain finished it off terrible design very disappointing with Honda this is a major issue that needs to be fixed

Power tail gate doesnt work. Water got into the car and leaked onto the power tail gate control circuit causing it to no longer work.

Rear tail gate hatch Anytime it rains the hatch will open and faults out which ultimately causing it to not close or open tailgate fault shows up on the dash and does not function anymore do to water collecting in electrical module that controls hatch due to faulty design

The rear lift gate is not opening. The lift gate motor and latch have been replaced. The lift gate module seems to have water/moisture after a rain storm causing the gate to not open. Their is an error on the display saying there is a lift gate error and the car is beeping while driving.

Power tailgate problem. Middle both passenger side door did not latch. Power tailgate cannot open automatically. It happened recently, and happened every year as far as I remember, when raining season, or winter time. It just happened few days ago. Passenger side door did not latch. I was driving with baby in car seat, on freeway, when door latch did not lock properly. My wife had this incident as well, and called Honda dealer, and they may or may not repaired the latch, and we rarely have this incident anymore after my wife called Honda dealer, cause she freaked out door was open loosely while driving. But on left side, occasionally cannot open or closed, not as extreme as before we complained to dealer.

On the way home, the rear door controller was damaged and the rear door opened by itself. So I pull the car to the side of the high way and tried to close the rear but couldn't. I drove my car to my home with the rear door open. It was a crazy experience to me.

POWER LIFT GATE AND POWER SLIDING MINIVAN DOOR DO NOT WORK LEAK IN BODY CAUSED ELECTRICAL SHORT AND CORROSON OF LIFTGATE POWER CONTROL UNIT. BAD DESIGN SAFETY ISSUE. DANGER OF CHILD ENTRAPMENT. SHOULD BE RECALL AND HONDA SHOULD FIX

Water intrusion on the driver side rear panel has caused the power tailgate command module to short out twice now.

Both of my passenger sliding doors failed, resulting in both of them opening while driving with my children in the back seats. In August 2022, my driver side passenger door swung wide open while I was driving the car, with the error on the dashboard showing door open. Took the car to Honda Dealership, who stated that the door latch failed and replaced the door latch. Now, a year later, in October 2023, the same issue happened on the passenger side. The door swung wide open while driving, with the same error appearing on the dashboard. This time, Honda refused to fix it and demanded that we pay $800 for the fix. How do latches on both doors fail?

Every time when it rains, the power tail gate fails showing beeping noise from the rear and on the screen and unable to lock the doors. Had to replace the power tail module couple of times so far and still problem persists. The Honda dealership mentioned there was a leak, repaired and replaced the module , inspite of the fix priblem still persists when it rains.

The power tailgate on my 2018 Honda Odyssey EX-L started opening and closing on its own, seemingly at random. The latch would not cinch and the gauge cluster reported an opening attempt while driving on the highway. This failure cascaded and ended up bringing every device on the B-CAN network down, including the instrument cluster, heated seats, power sliding doors, ADAS systems including FCW/LDW/LKA and various telltales and buttons on the dash. Upon disassembly of the interior to expose the affected controllers, I discovered that the power tailgate controller was full of water. There was enough water in it to cause arcing of the power and CAN terminals. I traced the ingress path upwards and discovered a crack in the seam sealer on the roof, underneath the left roof rack rail at the very rear of the vehicle. Water enters under the roof rail, drips down the door hinge, then...

After rainfall water is leaking into the rear fuse box compartment located behind the 3rd row seats and causing the tailgate control module and other parts to fail. The tailgate does not have any power and cannot be opened or closed with the fob or the push buttons located in the tailgate or in the dashboard area. The tailgate cannot be locked as the latch does not engage and it can be very risky to drive the vehicle as the tailgate might come open while driving. There might be some opening on the roof of the vehicle from where water is leaking into the fuse compartment and causing this hazardous situation.

Rear hatch on our Odyssey EX-L started giving a "Power Tailgate Problem", and it would not open at all except by mechanically releasing the hatch from the emergency access panel. I replaced the rear hatch control module and the hatch could now again be opened from the outside as normal, but the power tailgate still did not function up and down, and requires manual lifting open and pushing closed. Upon inspection, the removed/malfunctioning control module appears to have failed due to water infiltration, meaning water has entered the inside of the vehicle and then shorted electrical components, potentially creating a fire hazard.

The sliding doors do not work properly when the windows are down. When the windows are up and you open the door you hear a clicking noise locking the door in place. If the windows are down when opening the doors they do not “click” and the door can slide closed. This is a bigger issue when parked on a hill or slight decline as the door can slam shut on small kids. If the windows are down when opening the door you need to use one arm or your body to keep the door open while you buckle kids up. Or just make sure windows are up.

GOODMORNING, I bought my car honda Odyssey 2018 model, on August 20th, 2018, from Honda of Clearlake, in League City, TX, the day they opened new location, this car has been giving us trouble since then. when under warranty the sunroof motor became faulty. I agree that they repaired it but took more than a week to get repaired. The car has less than 30000 miles now, last year November when I was driving car started showing up multiple warning lights, and tail gate not closing and locking and took the car dealer service center and without proper multi point inspection they ruled out its poor battery and changed it. Within a week again the same problem started appearing, took the car to dealer service center and took almost more than week to do inspection and stated that, there is a faulty weld and leak on back tail gate hinges...

Power rear sliding door will not close properly.

After having the odyssey repaired for the recall rear passenger door latches, the rear passenger door still continues to open randomly, it has happened on multiple occasions while the vehicle is parked (at a park) with no one near the vehicle, at least twice since the repair while the vehicle is going between the speeds of 35-45 mph the rear passenger door on the driver side slides open.

It is very common for the vehicle model to experience water intrusion toward the back lift gate because of rain. This can cause electric problems with the vehicle that can result in property damage or death. Airbags may not deploy due to water damage as well. Theses vehicles should be recalled as soon as possible. Most owner are not aware of this issue because they park vans in a garage. Please investigate this matter and issue a recall

Sliding door not latching all of the way, opening and closing on its own

Driver and Passenger Sliding Doors have issues closing sometimes. It would close ranging from 70% to 90% of the way, and then slide back open. This happens occasionally enough to not have confidence in the doors consistently closing. We made sure there were no obstructions to the door, as well as nothing preventing the sliding rail roller from completing full movement. The family would have to attempt to shut it several failed attempts, sometimes up to as much as 10 x times, until it closes. This happens randomly to both driver and passenger sliding doors. This happens every thousand miles or so, and has happened since owning the vehicle. Recall was previously performed on the sliding doors for a seperate issue, but this issue still persist, and am pretty much sure it will continue to happen through the life of the van.

After leasing our car for less than 1 year - the power liftgate malfunctioned (which coincidentally there had been a recall in the past on our honda odyssey 2009 for appears to be the exact same issue.) It seems to be exactly the same thing happening again with the 2018 model we have now. So that the trunk won't open by itself. So for the past few years we had too manually lift the trunk and it's extremely heavy to lift and slow and can bang you in the head because it does not lift very high. If this wasn't bad enough a month ago the electrical power/fuse to even accomplish what I just explained electrically shorted for no reasonable explanation. So that my husband has to quite literally climb through the two rows of seats take the plastic off permanently on the manual/nonelectric trunk release from the inside of...

The driver side sliding door will open automatically but will not close. Gives me 3 beeps and doesnt attempt to close. I unplugged the pinch sensor and checked to see if that was the problem but the pinch sensor works as its supposed to. When I plug the pinch sensor back in the motor works to close for a little while but will eventually stop closing soon after. I have repeated this step multiple times and get the same results. The door has done this every now and then up until the last time they did a software update and now it almost always does this.