2021 Honda Odyssey problems & reliability
131 owner complaints filed with NHTSA for the 2021 Honda Odyssey, alongside 8 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
4 complaints report injuries (4 injured).
Federal crash records (FARS 2020–2023): 2021 Honda Odyssey vehicles were involved in 11 fatal crashes with 11 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Electrical System | 49 | 37% |
| Unknown OR Other | 29 | 22% |
| Engine | 23 | 18% |
| Forward Collision Avoidance | 19 | 15% |
| Air Bags | 16 | 12% |
| Structure | 10 | 8% |
| Lane Departure | 9 | 7% |
| Back Over Prevention | 6 | 5% |
| Power Train | 6 | 5% |
| Fuel/propulsion System | 5 | 4% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Complaints by incident 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 restart the vehicle…”
Electrical System · 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 press brake pedal and…”
Engine · 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…”
Electrical System · filed Jul 21, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- Inadvertent Deployment of Side Air Bags
Preliminary Evaluation PE25018 · opened Oct 28, 2025 · closed Jun 25, 2026
- No Restart After Auto Start/Stop Engages
Engineering Analysis EA25004 · opened Mar 26, 2025 · open
Technical service bulletins
152 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2021 Honda Odyssey. The 10 most recent:
Owner Notification Letter - Under certain circumstances, after coming to a stop and the idle stop feature engaging, your vehicle may not automatically restart.
ONL6AX022025A · Other · issued Feb 19, 2025
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 Odysseys with a customer complaint of the power sliding door not opening or closing under its own power. To better understand the…
ATI&01302025901 · Other · issued Jan 30, 2025
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 Odysseys with a customer complaint of the power sliding door not opening or closing under its own power. To better understand the…
ATI&01152025908 · Other · issued Jan 16, 2025
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 Odysseys with a customer complaint of the power sliding door not opening or closing under its own power. To better understand the…
ATI&01022025905 · Other · issued Jan 3, 2025
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 Odysseys with a customer complaint of the power sliding door not opening or closing under its own power. To better understand the…
ATI&12022024906 · Other · issued Dec 3, 2024
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 Odysseys with a customer complaint of the power sliding door not opening or closing under its own power. To better understand the…
ATI&11052024907 · Other · issued Nov 5, 2024
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 Odysseys with a customer complaint of the power sliding door not opening or closing under its own power. To better understand the…
ATI&10212024912 · Other · issued Oct 21, 2024
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 Odysseys with a customer complaint of the power sliding door not opening or closing under its own power. To better understand the…
ATI&10072024907 · Other · issued Oct 7, 2024
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 Odysseys with a customer complaint of the power sliding door not opening or closing under its own power. To better understand the…
ATI&09202024902 · Other · issued Sep 21, 2024
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2022 & 2024 Odysseys with a customer complaint of the power sliding door not opening or closing under its own power. To better…
ATI&09122024903 · Other · issued Sep 12, 2024
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2021 Honda Odyssey has 8 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2021 Honda Odyssey?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.