One problem related to software has been reported for the 2017 Toyota Highlander. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2017 Toyota Highlander based on all problems reported for the 2017 Highlander.
Tl the contact owns a 2017 Toyota Highlander. Contact stated that while driving at various speeds, without warning the vehicle would violently shake intermittently, lurch and accelerate. The contact stated that while driving in a parking lot the vehicle inadvertently accelerated while driving through a crosswalk. The brake pedal was depressed to stop the vehicle. The contact stated due to the vehicle lurching and shaking, she has sustained injuries to her tongue, neck and back. No medical attention was needed. The contacted stated that various warning lights would illuminate, the moon roof would randomly open and close, as well as the vehicle would shift gears violently. The vehicle was taken to dealer whom performed a software update. The contact stated that these were ongoing failures. The vehicle was taken to Toyota of greensburg (4964 us-30, greensburg, PA 15601 (724) 552-2761) where the failure could not be duplicated and diagnostic testing results found no failure. The contact stated that an inspector from the manufacturer Toyota was to inspect the vehicle however, no final reports have been completed. The contact mentioned that the inspector stated that he was unable to duplicate the failure. The contact was awaiting call back from the manufacturer. The failure mileage was approximately 23,000.