Honda Clarity Plug-In Hybrid lane assist problems

Filed Aug 22, 2026 · Driver assistance, Electrical · CA

The 2020 Honda Clarity's multipurpose windshield camera fails intermittently, often at startup. The vehicle displays Brake System and Honda Sensing-related warnings, disabling Collision Mitigation Braking, adaptive cruise control, lane keeping assist, and road-departure mitigation. The vehicle may otherwise operate, but multiple driver-assistance safety systems are unavailable. A dealer attributed the issue to the windshield camera module and possible calibration. The warnings began approximately June 2025 and remain intermittent. The camera is available for inspection. No crash, fire, injury, or police report.

Filed Aug 10, 2026 · Driver assistance · TX

The forward-facing Honda Sensing camera mounted behind the windshield (Nidec monocular camera, Honda part number 36160-TRW-A04) failed at approximately 85000 miles on XXX The failure produced simultaneous dashboard warnings and disabled multiple driver assistance systems at once, including Collision Mitigation Braking System (automatic emergency braking), Forward Collision Warning, Road Departure Mitigation, Lane Keeping Assist, and Adaptive Cruise Control. There was no impact, no windshield damage, and no obstruction of the camera lens. The failure appears to be internal to the camera assembly and occurred without warning during normal driving. Because all of these safety systems depend on this single camera, one component failure removed every forward collision protection on the vehicle simultaneously. The sudden appearance of multiple warning lights at once was also distracting while driving. The vehicle is out of warranty and Honda has offered no repair assistance. Dealer replacement is quoted at approximately $1,500 to $2,000 including required camera calibration. This same camera failure is widely reported by owners of Honda Sensing equipped vehicles, including Clarity, Odyssey, Pilot, Civic, and HR-V models, typically at [XXX] to [XXX] of age, which suggests a durability or thermal defect in the camera assembly rather than an isolated failure. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Jul 15, 2026 · Driver assistance · FL

It looks like this is possibly at this point a wide spread issue with most if not it will be all honda clarity models. The lane departure warnings, adaptive cruise control, front camera honda sense electronics keep to go out and then will work for a little bit. sometimes just not work at all for months, then work for like a day or two. After reading many of many complaints about this it will seems to be pretty much widespread across all yearly models.

Filed Jun 12, 2026 · Driver assistance · CA

To Whom It May Concern, I am the owner of a 2018 Honda Clarity, and I am submitting this complaint to request that the federal safety agency investigate what appears to be a widespread defect involving the front camera system used by Honda Sensing. My vehicle has experienced a failure of the front camera system, which has disabled numerous critical safety features, including: • Adaptive Cruise Control (ACC) • Automatic Emergency Braking (Collision Mitigation Braking System) • Blind Spot Warning • Forward Collision Warning • Lane Departure Warning • Lane Keeping Assist System (LKAS) • Parking Collision Warning • Rear Cross Traffic Warning When the front camera fails, these safety systems become unavailable, significantly reducing the vehicle's ability to assist the driver in avoiding collisions and maintaining safe operation. After researching this issue online, I discovered that thousands of Honda owners have reported similar failures involving Honda Sensing cameras and related driver-assistance systems. Many owners have reported receiving warning messages, loss of safety functions, and repair estimates costing thousands of dollars. This appears to be a recurring problem rather than isolated incidents. I believe this defect presents a serious safety concern because drivers may unexpectedly lose access to critical collision avoidance and lane safety technologies that were included as standard safety equipment on the vehicle. The failure of a single camera component should not disable so many essential safety systems without a more robust fail-safe solution. I respectfully request that the federal safety agency investigate this issue and determine whether a safety recall or other corrective action is warranted for affected Honda vehicles, including the 2018 Honda Clarity. Thank you for your time and attention to this matter. I would be happy to provide additional information, repair records, photographs, diagnostic reports, or any other documentat

Filed May 12, 2026 · Driver assistance · CA

The forward-facing multipurpose camera unit (ADAS camera) failed internally while driving, causing the simultaneous deactivation of multiple critical safety systems including Collision Mitigation Braking (CMBS), Road Departure Mitigation, and Lane Keeping Assist (LKAS). The failure is indicated by persistent dashboard warning messages stating 'System Fault' or 'Honda Sensing Problem'.A professional diagnostic scan confirmed DTC code U3000-49 (Multipurpose Camera Unit Internal Failure). The sudden and unpredictable loss of these automated safety features reduces the vehicle's ability to assist in avoiding collisions and increases the risk of a crash, particularly in emergency situations. This appears to be a widespread manufacturing defect in the camera hardware that poses an unreasonable safety risk to drivers and passengers.

Filed Apr 3, 2026 · Driver assistance · CA

I was just driving normal and a message on my dashboard started to appear saying to clean my windshield or the collision mitigation system cannot work, We cleaned the windshield several times and it didn’t work the light still on, mow it got worst all of the lights turned on when I drive the car, adaptive cruise control light, road departure mitigation system problem light, lane keeping assistance problem light, collision mitigation system problem light and Brake system light, I checked online and there’s alot of people complaining from the same thing, they said it’s an issue with the front windshield camera but honda wants to charge thousands of dollars to fix it and there’s other honda models with the same problem too. I don’t know if it’s safe to drive it or if more lights are going to come up.

Filed Mar 22, 2026 · Driver assistance · MD

The ADAS camera system failed causing multiple warnings and failures including lane departure system, forward collision system, adaptive cruise control and lane keeping assistance.

Filed May 20, 2024 · Acceleration, Driver assistance · 22,000 miles · CA

The contact owns a 2019 Honda Clarity Plug-In Hybrid. The contact stated that while driving at undisclosed speeds, during sunny weather, the vehicle unintendedly braked without warning. The warning light "Brake" was illuminated. The contact stated that the failure reoccurred. The contact also experienced a failure with Lane Keeping Assist and Road Departure Mitigation, where the vehicle jerked out of the desired lane without warning and the vehicle failed to return to the intended lane. The contact disabled the system due to the failure. The contact stated that when the heater or A/C was activated, the speedometer suddenly started going down and the vehicle failed to exceed 20 MPH. The vehicle was taken to a local dealer to be diagnosed; however, no cause for the failure was found. The manufacturer was made aware of the failure; however, no assistance was provided. The failure mileage was 22,000.

Filed Dec 7, 2023 · Driver assistance · CA

No Accident occurred but wanted to report a problem with my vehicle. Dealership diagnosed my vehicle with a malfunction in the "multipurpose camera unit/millimeter wave radar." Because of this malfunction, my vehicle lost all its driving assistant abilities such as: Adaptive cruise control, forward collision warning, land departure warning, lane keep assistance, and automatic emergency braking. Attached a picture of a screenshot of my cell phone showing all the things that are affected by the one camera malfunctioning.

Filed Mar 17, 2023 · Driver assistance, Seat belts · 21,000 miles · CA

The contact owns a 2019 Honda Clarity Plug-In Hybrid. The contact stated that while driving at various speeds and merging into a lane, the Lane Keep Assist engaged, and the vehicle shuddered significantly and veered towards the opposite direction. Additionally, the steering wheel was significantly resistant. The contact stated that the failure mainly occurred when slowly merging into another lane. The contact stated that she would need to quickly merge to prevent the failure from occurring. The message “Lane Keep Assist” was displayed. Additionally, the contact stated that the automatic emergency braking (AEB) warning light would illuminate while driving, though there were no other vehicles or objects nearby. The contact stated that the seat belt being latched sound was not audible and the seat belt would unintendedly unlatch occasionally. The vehicle was taken to the dealer, where it was diagnosed that no issues were found. The dealer informed the contact that the vehicle could not be repaired under the federal safety agency Campaign Number: 20V326000 (Seat Belts) as the VIN was not included. The manufacturer was notified of the failure, but no assistance was provided. The vehicle was not repaired. The failure mileage was approximately 21,000.