Which parts fail
Components named in complaints (automatic emergency braking, adaptive cruise, lane keeping, backup camera).
Mileage when the problem started
Owner reports
Selected complaints filed with NHTSA by 2020 Honda Odyssey owners, lightly cleaned up (personal details are redacted by NHTSA).
The contact's daughter owns a 2020 Honda Odyssey. The contact stated that while his daughter was driving at an undisclosed speed, several unknown warning lights illuminated. The contact attempted to inspect the vehicle but could not determine the cause of the failure. The vehicle was taken to a dealer, where the contact was informed by the technician that the failure might be from the wiring connected to the rearview camera. The contact declined to pay for a diagnostic test. The contact attempted to repair and realign the rearview camera; however, the part needed to realign the camera could not be purchased and could only be serviced at a Honda dealer. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 130,000.
The contact owns a 2020 Honda Odyssey. The contact stated while reversing, the contact became aware that the center display failed to display an image of the rear of the vehicle, compromising the back over prevention system. The message "Network connection lost" was displayed. The vehicle returned to normal functionality, but the failure became a regular occurrence. No warning lights were illuminated. The vehicle was not taken to the dealer or an independent mechanic. The vehicle was not repaired. After investigating the failure, the contact related the failure to NHTSA Campaign Number: 23V431000 (Back Over Prevention); but the VIN was not included. The manufacturer was notified of the failure but provided no assistance. The failure mileage was 40,000.
The contact owns a 2020 Honda Odyssey. The contact stated while reversing from a parking spot, the back over prevention camera was blank. The contact stated that the vehicle struck a delivery truck. There were no warning lights illuminated. There was no Police report filed. The contact received notification of NHTSA Campaign Number: 23V431000 (Back Over Prevention) however, the part to do the recall repair was not yet available. The local dealer was not contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. The failure mileage was approximately 14,000. Parts distribution disconnect.
The contact owns a 2020 Honda Odyssey. The contact stated while the vehicle was at a complete stop at the traffic light, the collision mitigation braking system (CMBS) warning light illuminated and a message indicating to shift to park(P) was displayed. The contact shifted to park and shifted back into drive(D); however, the vehicle failed to accelerate. The contact stated that he turned off and restarted the vehicle and was able to drive to his destination. The vehicle was taken to the local dealer however, the failure could not be duplicated. The contact stated that the failure persisted. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 32,000.
The contact's friend owns a 2020 Honda Odyssey. The contact stated that his friend received a recall notification of NHTSA Campaign Number: 20V438000 (Back Over Prevention) however, the dealer informed her that the parts for the recall repair were not yet available. The contact stated that the rearview camera was foggy while reversing. There were no warning lights illuminated. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was notified of the failure and advised the contact that they would follow up with the dealer. The vehicle was not repaired. The approximate failure mileage was 9,000. Parts distribution disconnect.
The contact owns a 2020 Honda Odyssey. The contact stated that while attempting to start the vehicle, several warning lights illuminated. The warning lights flashed continuously. The vehicle was taken to a dealer, where it was diagnosed with a failed multipurpose camera unit. The dealer determined that the multipurpose camera unit needed to be replaced; however, the contact was informed that the failure was not associated with the recall. The contact received notification of NHTSA Campaign Number: 26V423000 (Back Over Prevention). The contact stated that the failure was a known issue with the vehicle. The failure mileage was approximately 31,600.
The contact owns a 2020 Honda Odyssey equipped with a Cabin Watch camera. The contact stated while driving at an undisclosed speed, the Lane Keeping Assist and the Cabin Watch camera became inoperable. Additionally, the contact stated that even though the Cabin Watch had become inoperable, the Cabin Watch plastic case was constantly burning hot. An independent mechanic diagnosed the vehicle and determined that the Cabin Watch camera needed to be replaced. The vehicle was not repaired. The dealer and the manufacturer were not notified of the failure. The failure mileage was approximately 102,000.
The contact owns a 2020 Honda Odyssey. The contact stated that while driving at various speeds, the vehicle would intermittently brake independently as the brake warning symbol would flash on the instrument panel. The contact also stated that the steering wheel would shake during the failure. The contact took the vehicle to a dealer where it remained in their possession. The dealer stated that the mechanic was unable to duplicate the failure. The manufacturer had yet to be notified of the failure. The vehicle had yet to be repaired. The failure mileage was approximately 32,000.
The contact owns a 2020 Honda Odyssey. The contact received notification of NHTSA Campaign Number: 20V438000 (Back Over Prevention) however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact stated that while attempting to shift into reverse(R) in rainy weather, the rearview camera failed to operate as designed. The approximate failure mileage was 14,000. Parts distribution disconnect.
The contact owns a 2020 Honda Odyssey. The contact stated that the back-over prevention camera and cross-traffic monitor were inoperable. The cross-traffic monitor not functioning message was displayed. The vehicle was taken to the local dealer, who confirmed that the vehicle had been repaired under NHTSA Campaign Number: 20V438000 (Back Over Prevention). The vehicle was not repaired. The manufacturer was contacted and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 34,000.
Related recalls
Back over prevention › Sensing system › Camera
Honda (American Honda Motor Co.) is recalling certain 2018-2020 Odyssey vehicles. Water may enter into the rearview camera, which can cause the rearview camera image to fail to display when the vehicle is in reverse.
Remedy: Dealers will replace the rearview camera, free of charge. Owner notification letters were mailed August 24, 2026. Owners may contact Honda's customer service at 1-888-234-2138. Honda's number for this recall is HOX.
Back over prevention › Display function
Honda (American Honda Motor Co.) is recalling certain 2018-2023 Odyssey, 2019-2022 Pilot, and 2019-2023 Passport vehicles. Due to a faulty Media Oriented Systems Transport (MOST) communication coaxial cable connector, the rearview camera image may not appear on the display.
Remedy: Dealers will replace the MOST cable harness and install a straightening cover over the vehicle cable connector, free of charge. Owner notification letters were mailed July 24, 2023.
Back over prevention › Sensing system › Camera
Honda (American Honda Motor Co.) is recalling certain 2019-2021 Pilot, 2019-2020 Odyssey and 2019-2020 Passport vehicles. Incorrect central network software programming may cause several errors to occur that can delay or prevent the rearview camera image from displaying.
Remedy: Honda will notify owners that updated software is available. Owners have the option to either follow the mailed instructions to download and update the software for free, or visit a dealer to have the software update…
Back over prevention › Sensing system › Camera
American Honda Motor Co. (Honda) is recalling certain 2019-2020 Odyssey vehicles. Water may get into the rearview camera mounting holes and enter the camera lens and cause a distorted image, or no image at all.
Remedy: Honda will notify owners, and dealers will replace the rearview camera, free of charge. The recall began September 23, 2020. Owners may contact Honda customer service at 1-888-234-2138.
Show 1 more recall
Back over prevention › Sensing system › Camera
Honda (American Honda Motor Co.) is recalling certain 2018-2020 Odyssey, 2019-2020 Passport, and 2019-2021 Pilot vehicles. Incorrect instrument panel control module software can cause the instrument panel to not display critical information, such as engine oil pressure, speedometer, and gear selector position until the next…
Remedy: Honda will notify owners, and dealers will reprogram the instrument panel control module software, free of charge. The recall began September 23, 2020. Owners may contact Honda customer service at 1-888-234-2138.
Collision Avoidance complaints in other Odyssey years
Frequently asked questions
How common are collision avoidance problems on the 2020 Honda Odyssey?
NHTSA has 213 complaints about the driver assistance of the 2020 Honda Odyssey, 44% of the model year's 486 complaints. The component named most often is adaptive cruise control (130 mentions).
Is there a recall for 2020 Honda Odyssey collision avoidance problems?
Yes — NHTSA recall 26V-423 (camera, Jul 1, 2026); NHTSA recall 23V-431 (display function, Jun 15, 2023); NHTSA recall 20V-440 (camera, Jul 28, 2020). Recall repairs are free at authorized dealers.
At what mileage do 2020 Honda Odyssey collision avoidance problems start?
Half of the complaints with a recorded mileage happened before about 32,000 miles, and 46% before 25,000 miles.
Is it dangerous?
Owners linked 1 crash, 0 fires and 1 injury to driver assistance problems on this model year. If you notice symptoms, have the car checked before driving further.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.