2021 Honda Odyssey electrical system problems
49 owner complaints filed with NHTSA name the electrical system on the 2021 Honda Odyssey — 37% of all complaints for this model year.
What owners report
“The contact owns a 2021 Honda Odyssey. The contact stated that while stopping at a red light, the vehicle idled and automatically turned off while stopped and then the vehicle restarted but the vehicle stalled. The electronics on the vehicle were not operating as designed. The contact attempted to…”
filed Jul 29, 2026
“2021 Odyssey EXL shuts off completely at a traffic stop light. Happened 2 times in a 2 week period. Without warning the engine switches off completely and puts itself in "P" mode, all light comes on as if in accessory mode, radio switches off, all doors unlocked. To get going, the driver had to…”
filed Jul 22, 2026
“The infotainment screen randomly shuts off and displays the errors "Network communication lost" and "MOST Net Off". This has happened numerous times while in the middle of backing up and using the backup camera that normally displays on that screen. We took it to the dealership for repairs of the problem in 2025 and…”
filed Jul 21, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
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% |
| 2020 Odyssey | 156 | 35% |
| 2019 Odyssey | 213 | 23% |
| 2018 Odyssey | 246 | 26% |
| 2017 Odyssey | 6 | 15% |
| 2016 Odyssey | 38 | 14% |
| 2015 Odyssey | 28 | 14% |
| 2014 Odyssey | 31 | 10% |
Other reported problem areas on the 2021 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.