2018 Honda Odyssey electrical system problems
246 owner complaints filed with NHTSA name the electrical system on the 2018 Honda Odyssey — 26% of all complaints for this model year.
What owners report
“Failure of the forward-looking multipurpose camera after a simple battery change. Many safety features are now inoperative including emergency braking, lane keeping assist, adaptive cruise control, among others. Ultimately, a routine maintenance item (battery replacement) is causing the failure of…”
filed Jul 30, 2026
“On 7/28/26, my 2018 Honda Odyssey began displaying the following warning lights and system messages on the dash: •Adaptive Cruise Control (ACC) system error •Lane Keeping Assist System (LKAS) error •Auto High Beam system error •Collision Mitigation Braking System / forward collision error These…”
filed Jul 28, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Wire harness for the third row seat accessory power outlet may get pinched between the…Campaign 20V066000 · Feb 6, 2020
- Loose battery terminal connections or a degraded battery may cause the Transmission…Campaign 19V299000 · Apr 12, 2019
Electrical System problems in other Odyssey years
| Year | Reports | Share |
|---|---|---|
| 2026 Odyssey | 5 | 22% |
| 2025 Odyssey | 152 | 53% |
| 2024 Odyssey | 36 | 43% |
| 2023 Odyssey | 26 | 29% |
| 2022 Odyssey | 33 | 26% |
| 2021 Odyssey | 49 | 37% |
| 2020 Odyssey | 156 | 35% |
| 2019 Odyssey | 213 | 23% |
| 2017 Odyssey | 6 | 15% |
| 2016 Odyssey | 38 | 14% |
| 2015 Odyssey | 28 | 14% |
| 2014 Odyssey | 31 | 10% |
Other reported problem areas on the 2018 Honda Odyssey
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.