One problem related to software has been reported for the 2020 Toyota Highlander. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2020 Toyota Highlander based on all problems reported for the 2020 Highlander.
Vehicle will not start without a jump after 3-5 hours. The battery stays charged less than one day, but typically starts again without a jump if driven again within a 3-5 hour period. The vehicle stays running once jumped. Dealer service department indicates a software update may be required. This has happened since purchase on June 7, 2020. Date below is the most recent date it occurred.
| Electrical System problems | |
| Software problems |