One problem related to battery dead has been reported for the 2003 Toyota Corolla. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Toyota Corolla based on all problems reported for the 2003 Corolla.
While vehicle was parked headlights came on and off which was a result of a dead battery. Replaced battery, and battery went dead again, replaced a relay switch. Problem happened again. Something was draining the battery. Dealer contacted. Cannot find cause of problem.