2020 Honda Odyssey electrical system problems

Related recalls

• Recall 20V439000Jul 28, 2020607,786 vehicles
  BACK OVER PREVENTION: SENSING SYSTEM: CAMERA · ELECTRICAL SYSTEM:SOFTWARE

  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 ignition cycle. Additionally, it can prevent the rearview camera image from displaying. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) numbers 101, "Control and Displays" and 111, "Rearview Mirrors."

  Risk: Operating a vehicle without a functioning instrument panel or rearview camera display increases the risk of a crash.

  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. Honda's number for this recall is T89.

• Recall 20V440000Jul 28, 2020499,344 vehicles
  BACK OVER PREVENTION: SENSING SYSTEM: CAMERA · ELECTRICAL SYSTEM:SOFTWARE

  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. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rearview Mirrors."

  Risk: A delayed or inoperative rearview camera display can reduce the driver's view of what is behind the vehicle, increasing the risk of a crash.

  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 performed, free of charge. The recall began September 23, 2020. Owners may contact Honda customer service at 1-888-234-2138. Honda's number for this recall is Y7Y.

• Recall 20V066000Feb 6, 2020241,339 vehicles
  ELECTRICAL SYSTEM:WIRING

  Honda (American Honda Motor Co.) is recalling certain 2018-2020 Odyssey vehicles. The wire harness for the third row seat accessory power outlet may get pinched between the unibody and rear trim panel, possibly damaging the wires and causing an electrical short.

  Risk: An intermittent electrical short could overheat the wire harness, increasing the risk of a fire.

  Remedy: Honda will notify owners, and dealers will inspect the third row seat accessory power outlet wire harness for damage, replacing it as necessary. If no damage is found, the dealer will apply protective tape and re-route the harness. All repairs will be performed free of charge. The recall began March 16, 2020. Owners may contact Honda customer service at 1-888-234-2138. Honda's number for this recall is T6U.

What owners say

1. Filed Oct 8, 2026SCDriver Assistance & Safety TechElectrical System

   Front Camera failure which disables the entire Honda sensing Suite, Shuts down Cruise control, lane keeping assist, front collision warning and Auto emergency braking. This has caused the loss of many safety features intended to prevent accidents and injury. There are numerous warning lights on the dash that are constantly displayed and can be a distraction to other safety or maintenance concerns. Dealer has diagnosed the problem to be an issue with a faulty front camera…

   NHTSA complaint #11769902 · source
2. Filed Oct 8, 2026SCElectrical System

   While sitting at light, Idle stop engaged and engine stopped - then car lost all power. I was boxed in in heavy traffic and could not move. The car could not be shifted to neutral when I tried to consider how I could get off the road. After a minute or so power suddenly returned to the vehicle and I was able to proceed. The next day, lucklily at a less busy intersection the same issue occurred (again with Idle Stop engaged). After these events I scheduled to take to…

   NHTSA complaint #11769895 · source
3. Filed Oct 4, 2026FLElectrical System

   SUNROOF stopped working. diagnosis: motor is the issue. I may have used it 20 times since purchase. I believe water intrusion caused this. it just decided to stop working.

   NHTSA complaint #11768811 · source
4. Filed Oct 4, 2026FLElectrical SystemEngine

   While Automatic IDLE was on, engine shut down at a red light. Dashboard showed message: put in park. Alternator was fine. Battery fine. I DID get the software update but this happened AGAIN. This time was able to put in park and was able to start the car. I have to remember to turn OFF Automatic IDLE to avoid this from happening again.

   NHTSA complaint #11768810 · source
5. Filed Oct 4, 2026FLBody & StructureElectrical System

   after a heavy rain, the automatic tailgate opening/closing function stopped working. Trunk can only be opened manually. warning message on dashboard: POWER TAILGATE PROBLEM. water intrusion. cracked seals.

   NHTSA complaint #11768808 · source
6. Filed Sep 28, 202639,000 miMDElectrical System

   The contact owns a 2020 Honda Odyssey. The contact stated that on several occasions while stopped at a red light, the vehicle shut off unintendedly and had to be manually restarted. The battery warning light was occasionally illuminated. The vehicle was taken to a dealer where it was diagnosed, and the contact was informed that the battery needed to be replaced. The vehicle was repaired; however, the failure persisted. The manufacturer was notified of the failure. The…

   NHTSA complaint #11767405 · source
7. Filed Sep 23, 2026FLElectrical System

   The power liftgate is no longer working and locked shut a few hours after multiple warning messages. There was heavy rain that night. It did randomly open and shut all or part of the way before that, sometimes after closing. This often happened after heavy rain when the van was not even in use. It could have popped open at any time, and then warning messages popped up and blocked the notifications and other dashboard information and distracted the driver. It was confirmed by…

   NHTSA complaint #11766317 · source
8. Filed Sep 20, 2026WAElectrical System

   Both sliding door keep stopping when closing or opening. Have to manually do it sometime. Rear door don't close anymore either only opens has to always be manually close.

   NHTSA complaint #11765594 · source
9. Filed Sep 17, 2026MOElectrical SystemEngineLighting

   Stopped at a light, auto idle stop engaged, engine shut off normally. The moment I pressed the gas, everything died — engine and all electronics. I pressed the start button two or three times with no response, then it finally started. It was still in Drive. The hazards wouldn't turn on right after, then everything gradually came back to normal.

   NHTSA complaint #11764902 · source
10. Filed Sep 15, 2026ALBody & StructureElectrical System

    The electronic module for rear power tailgate quit working due to water getting inside module. This causes rear lift door to malfunction. Ive seen online there's been a class action lawsuit for this and the door can open randomly. This has not happened to mine. It just quit working and beeps excessively. I had it repaired and it happened again 7 months later. It has been diagnosed by honda dealership. Thanks

    NHTSA complaint #11764405 · source
11. Filed Aug 31, 202655,000 miINElectrical System

    The contact owns a 2020 Honda Odyssey. The contact stated that five days after the vehicle was repaired under NHTSA Campaign Number: 26V332000 (Air Bags), while starting the vehicle, five warning lights were displayed. The Lane Assist warning light and the cruise control warning light was illuminated. The dealer was contacted, and the vehicle was diagnosed with a front-facing camera failure. The vehicle was not repaired. The manufacturer was made aware of the failure. The…

    NHTSA complaint #11761043 · source
12. Filed Aug 31, 2026VABrakesDriver Assistance & Safety TechElectrical System

    The contact owns a 2020 Honda Odyssey. The contact stated that the Traction Control, Adaptive Cruise Control, Lane Keeping Assist System, and Road Departure Mitigation warning lights illuminated. The vehicle was taken to a dealer, where the cause of the failure could not be determined. The contact continued to drive the vehicle as it passed state inspection. While driving approximately 65-70 MPH, the cruise control suddenly failed, requiring the contact to manually steer the…

    NHTSA complaint #11760837 · source

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology