Electrical System Related Problems of the 2020 Toyota Highlander

Table 1 shows four common electrical system related problems of the 2020 Toyota Highlander. The number one most common problem is related to the electrical system (14 problems). The second most common problem is related to the instrument panel fuel gauge (one problem).

Table 1. Electrical System related problems of Toyota Highlander


Recently reported Electrical System problems of the 2020 Toyota Highlander

The Electrical System problem

I pushed the brake and swerved and the car kept going and a greater speed and surged into a house.   Read details...

The Instrument Panel Fuel Gauge problem

Fuel gauge is inaccurate, leading to potential safety issues. The fuel gauge does not show as full, when the car is refueled, and likewise shows as empty when there is enough fuel to drive hundreds of miles.   Read details...

The Starter Relay problem

The contact owns a 2020 Toyota Highlander. The contact stated that while driving at various speeds, the vehicle lost motive power and stalled. The contact was able to jumpstart the vehicle and the vehicle operated normally.   Read details...


Electrical System related problems in other Toyota Highlander model year vehicles:



Highlander Service Bulletins
Highlander Safety Recalls
Highlander Defect Investigations