Mode 1: Description
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Honda Odyssey, 2003 Honda Odyssey, 2002 Honda Odyssey, 2001 Honda Odyssey, and 2000 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
Mode 1 is a communication line and CPU self test. If a problem occurs on a communication wire or with an individual control unit, multiplex system will store a DTC as long as the fault is still present.