One problem related to underhood wiring has been reported for the 2003 Toyota RAV4. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Toyota RAV4 based on all problems reported for the 2003 RAV4.
While driving the rav 4 on country roads, the car stalled at a stop. After multiple attempts, we were able to re-start the car and drive it home although it ran very rough. Towed car to dealer who eventually determined it was caused by a intermittent ground-wire connection between computers. Car had about 50,000 miles on it.