Why does the open door warning beep go off when all the doors are closed in your 2003 Honda Odyssey?
Check your contacts on the inside of the door opening. The ones on the door look like thick pins and they make contact with metal cylanders on the crossbeam. If they don't make a good connection, you can get that error. Use either rubbing alcohol or an pencil eraser to clean the flat cylanders and your problem will be solved.
If the Honda odyssey sliding doors won't always open when you pull the door handle what could be wrong?
If your courtesy lights are staying on with the doors closed and there is no door ajar warning light , check on your dash to the right of your headlight switch. There is a dimmer wheel switch for your guage lighting , if it has been rotated all the way up that turns on your courtesy lights when the doors are closed
On the 2006 Odyssey first remove each seat headrest and fold the seat in half. Then reach under the seat bottom and release the black lever that is closest to the outside doors which will unlock the rear floor clamps. Tilt the seat forward, slide the seat backward to release the front clamps and lift. Careful it is heavy.
If it is the Honda Pilot Factory Alarm, it goes off only when "the doors are open" or "the hood is open" while it is armed. If doors are not closing properly, or the door sensors are not operating properly (the car thinks the door is open), the alarm can go off. If all doors are fine, then turn to the hood switch that detects whether the hood is open or closed. If this switch…