4.3 Mechanical
In my 2012 Rav4 (AWD, 6-cyl), a bunch of dash lights came on all at once, all Brake Control System lights (4WD, HAC, ABS, DAC, etc). The Toyota dealer said it was a broken "Speed Sensor Wiring Harness", which they replaced ($425). As soon as we drove away, the lights came back on. After an hour...