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 (twelve problems). The second most common problem is related to the software (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

The rear hatch door will not close or open and just sit there. And dings, you have to manually close it and open it most times and it never fully sucks up and latches fully and it doesnt notify you on the hood display of the car , so when we were driving down the road, we heard loud hissing and   Read details...

The Software problem

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.   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...


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



Highlander Service Bulletins
Highlander Safety Recalls
Highlander Defect Investigations