One problem related to alternator/generator/regulator has been reported for the 2012 Toyota Highlander. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2012 Toyota Highlander based on all problems reported for the 2012 Highlander.
While driving at highway speeds and exiting a highway, approximately 50 mph, the steering wheel locked up, dashboard flickered, and engine died. The red steering wheel warning light came on briefly, but the wheel could not be turned for several seconds. This happened 3 times in the period of a few minutes. Battery & alternator were tested - no malfunction.
| Electrical System problems | |
| Alternator/generator/regulator problems | |
| Instrument Panel problems | |
| Horn Assembly problems | |
| Ignition Switch problems |