One problem related to power train driveline has been reported for the 2003 Honda Odyssey. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Honda Odyssey based on all problems reported for the 2003 Odyssey.
2003 Honda Odyssey at 79k miles. The transmission fail when the engine warm-up (approx. 45 minutes of run times). Now it can only drive in city but don't know how it will last. I toke to dealer and have it diagnose the problem (cost me $105 for Honda dealer). They state that I need to replace transmission, ecm module and front sway bar link are cost $4500.