2020 Honda Odyssey FORWARD COLLISION AVOIDANCE,LANE DEPARTURE
Owner-reported problems and safety issues filed with NHTSA. Review common failures, severity levels, and complaint trends over time.
Complaint Timeline
Chronological view of owner reports
Starting at 50,000, I began receiving six different warning signs every time I turn on my car: (1) collision mitigation problem, (2) auto high beam warning, (3) lane keeping assist problem, (4) road departure mitigation problem, (5) adaptive cruise control problem, and (6) brake system light stays on. Online forums show this is a pervasive problem with 2020-2021 Odysseys at around 50,000 miles. Took it dealer for diagnostic, paid $229, and told me it would cost $2,000+ to fix.
The camera is faulty and I've brought it in once early on and the dealer said a wire needed to be tightened. It happened again and they said no such loose wire this time. The code says camera needs to be replaced. I don't even have 100k miles on this car and it's going bad. Faulty part and I know this is happening a lot.
The front camera is malfunctioning, affecting all of my safety sensors.
On 3/3/2025, the multipurpose camera started failing and I was seeing warning lights all tied to this system. Adaptive Cruise Control Problem, Collision Mitigation System Problem, Road Departure Mitigation System Problem, Auto High-Beam Problem, and Break System lights all came on. The problem was confirmed by the Honda dealership claiming there was an internal short that caused the issue. The component hasn't been inspected beyond this initial diagnosis. My family's safety is at risk with this malfunction in the event that we need assistance with breaking in an emergency situation, the vehicle can no longer take steps to prevent the car from drifting outside its lane and the high beams will no longer automatically turn off because the car can no longer sense oncoming traffic. Our insurance appraiser verified that this wasn't the cause of any collision, and the dealer has stated that this system should have lasted longer than expected.
While driving, all at once several messages displayed, all of which are related to forward facing camera. Adaptive Cruise Control Problem, Collision Mitigation System Problem, Road Departure Mitigation System Problem, Auto High Beam disabled along with the BRAKE SYSTEM light turning on When I researched the internet, there are alot a people report this problem with the HONDA forward facing camera witch supports the systems listed this failures. Talking to friends and neighbors they have had the same issues, it is about a $2000 fix to replace and recalibrate the camera link to user forum [XXX] Most of the reported issues including mine are related to heat, the camera is in an enclosure located at the top center of the windshield. We just had heat indexes above 100 degrees. The camera is always hot to the touch. I also had this issue in the past put happened whole under warranty. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
Front camera failure disabled Adaptive Cruise Control, Automatic Emergency Braking, Lane Departure Warning, and Lane Keeping Assistance.
Vehicle was acting normally, and unexpectedly 5 warning alarms came in concurrently all related to ADAS features, creating confusion for the driver. No other abnormalities were observed. Vehicle runs and drives normally. All the ADAS features are disabled and the warning lights continue to display every time the vehicle is driven. There is no way to disable the lights and the culprit of the alarms is a bad multipurpose camera behind the windshield. Honda wants around$1500 (parts and labor) to replace the camera. A quick search finds this a common complaint amongst Odyssey owners and a recall should be issued.
I am writing to report a significant safety issue with my 2020 Honda Odyssey. The Front Assembly Assist Monocular Camera (OEM part 36160-THR-C01-M1) has failed, causing the loss of several critical safety features, including auto high beam, lane departure warning, adaptive cruise control, collision mitigation, and Lane Keeping Assist System (LKAS). The local Honda dealership diagnosed the issue as an internal fault in the camera unit. Through research, I have discovered this failure is not an isolated incident. Numerous reports from other Odyssey owners highlight similar issues with the camera leading to the deactivation of these safety features. For example, discussions on the Honda Odyssey Forum and other online platforms describe widespread failures of front-camera-dependent systems, including lane-keeping and collision avoidance features. These failures compromise vehicle safety, potentially increasing the risk of accidents. The camera’s malfunction disables essential systems designed to enhance driver awareness and prevent collisions, leaving drivers vulnerable in critical situations. I respectfully request that the NHTSA investigate this issue, as the consistency of these reports suggests a systemic problem. A recall or corrective action may be necessary to ensure the safety and reliability of these vehicles. Thank you for your attention to this important matter.
All of a sudden warnings appear related to Collision Mitigation system Problem Lane Keeping Assist Problem Auto High Beam Problem Adaptive cruise control problem Road departure mitigation problem This is a major issue. I don’t feel safe driving this car with my family. Therefore NHTSA should get Honda to issue a recall for this vehicle given the magnitude and sheer scale of the problem. Below is one of many such forums where people who model years 2018-2020 have the exact same problem. https://www.odyclub.com/threads/lkas-acc-collision-avoidance-auto-high-beam-problem.373456/page-2?nested_view=1&sortby=oldest
After the last recall I had corrected by Honds, I started having issues with my LKAS system. The following notifications started coming periodically and now they always come on every time i start my 2020 Honda Odyssey. Adaptive Cruise Control, Lane Keeping Assist, Collision Mitigation System, Road Departure Mitigation System, and Auto High-Beam. The local Honda dealership quoted $1400 for a new camera.
All systems associated with the Lane Keeping Assist System are intermittent. No event caused them to initially fail and no discernible conditions cause it to fail currently. The system works intermittently.
ACC system started giving errors, diagnostics ran at Honda pointed to multi function camera. System was quoted for replacement at 1500 this seems to be a big problem across these models. Please investigate.
It seems our multi-purpose camera is malfunctioning and therefore causing all of the systems to go offline and light up on the dashboard when we turn on the car. It seems the only solution is to replace this. That seems insane that we should have to pay for this if this is a major safety feature of the car and one of the reasons we purchased the vehicle.
Adaptive cryise control, collision mitigation system, road departure mitigation system, lane keeping assist, auto high beam all have errors and are not working. It happened without cause. Apparently it isn't uncommon for radar and sensor safety systems to just fail for no reason. The dealer said it could take several days to figure out the cause then a lot of money to fix it. The safety systems should not fail for no reason.
Multipurpose front camera failure causing adaptive cruise, lane keep, auto highbeams, and collision mitigation to be disabled at 51k miles, error code U3000-49
September 2024, i bought my car to the dealership to check multiple warning lights showed up on my dashboard. The dealer read the code and determine the multipurpose windshield camera had internal malfunction. The dealer told me that my multipurpose windshield camera need to be replace on my 60k mi 2020 Odyssey EX-L for ~$2.3k in Conshohocken PA. I had many of those sensor lights on (e. g. ACC, lane assist, collision mitigation) and saw many comments on a YouTube video (Honda Odyssey Warning Lights Bonanza Get Ready to PAY). Do my research online; seem like this happened a lot for the Honda Odyssey from year 2017 to year 2020 Hope NHTSA will investigate on this issue. It a very expensive fix for the vehicle barely break in. With all those safety feature disengage/malfunction at the same time, it is a very dangerous issue.
On 6-11-24 The warning lights cycle through Auto Highbeam problem Lane Keeping assist Adaptive Cruise Control Collision Mitigation System problem Road departure Mitigation System problem Earlier in the day I had maintenance at the dealership performed on my car: brake fluid , trans svc,new tires and alignment, oil change and rotate tires, ac filter change, air cleaner element replaced. I went back to dealer on 7-1 and was told it was a multi purpose camera failure. This had not previously occurred until immediately after the maintenance work was performed.
The design defect of the camera in front of the car seriously affects the life safety of the driver. The dealer did not pay attention to this problem. The car did not collide, but six error prompts appeared during driving: Adaptive Cruise Control Problem, Lane Keeping Assist Problem, Collision Mitigation System Problem, Road Departure Mitigation System Problem, Auto High-Beam Problem.
The entire ADAS system has begun loosing sensing capabilities for a time period but start working again later. It comes and goes regularly at this point. This inconsistency could cause and accident. There are system problem warning lights on the dash when the system is down. The car is too new for this issue. The dealer reports that the front camera is the issue but I would think it has more to do with the wiring possibly shorting out.
The following errors suddenly appeared one-at-a-time, causing all the advanced driver assistance capabilities to stop working, including regular cruise control: * ACC - Adaptive Cruise Control Problem * LKAS - Lane Keeping Assist Problem * Collision Mitigation System Problem * Road Departure Mitigation System Problem * Auto High-Beam Problem * Brake System light also appeared. Battery replacement did not fix issue. Errors usually appear within about 30-60 seconds of turning the car on, but errors occasionally go in and out intermittently. Lights come on with a distracting beep one-at-a-time, causing major distractions while driving and suddenly disabling any active cruise and/or LKAS features while driving in traffic. Dealer stated the windshield mounted LKAS camera needs to be replaced for $1592 + tax. Safety features should not be flaky, and customers should not bear the cost of repairing safety equipment such as this. This should be strongly considered for a recall.
Honda 36160-THR-A81 Camera Monocular for 2019 Honda Odyssey 36160THRA81 Honda Sensing Camera Monocular system failed giving ACC- Adaptive Cruise Control Problem, LKAS - Lane Keep Asset Problem, Collision Mitigation Problem, Road Departure Mitigation System Problem, Auto High-Beam Problem, Brake System light on.
LKAS, Adaptive cruise control, forward collision warning, automatic emergency braking, lane departure warning all malfunctioned. Dealer inspected and determined it is an overheated camera that controls all the mentioned safety functions. This happened while driving on highway and has never worked again. I did confirm with the dealer this is the 3 instance they have seen of this in the past 3 months.
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Quick Summary
The 2020 Honda Odyssey has 47 FORWARD COLLISION AVOIDANCE,LANE DEPARTURE complaints on file. Review the timeline above for detailed owner experiences.