Cannot select ON mode with keyless access, but can select ON mode with the keyless remote touching the engine start/stop switch
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2025 Honda Odyssey, 2024 Honda Odyssey, 2023 Honda Odyssey, 2022 Honda Odyssey, and 2021 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostic procedure
Also check for
- Body control module
- LF antenna
- Keyless remote
- Low or weak keyless remote battery
- Harness/connections