One problem related to wiring has been reported for the 2013 Toyota Avalon. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2013 Toyota Avalon based on all problems reported for the 2013 Avalon.
My 2013 Toyota Avalon wiring harness was chewed on by a rodent . It caused problems with the running of the vehicle , the traction control , the cruise control and was operating on 5 cylinders . The dealers repair shop said that a rodent eat through the wires and Toyota would not warranty this problem . The car was parked in my driveway next to another Toyota product that is a 2006 and has never been chewed . I have driven Toyota's since 1988 and have never had this to happen . I think Toyota should be responsible for the damage if they are putting any type edible product in the vehicles they produce .