Electrical System Related Problems of the 2003 Toyota Highlander

Table 1 shows three common electrical system related problems of the 2003 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 fuses and circuit breaker (one problem).

Table 1. Electrical System related problems of Toyota Highlander


Recently reported Electrical System problems of the 2003 Toyota Highlander

The Electrical System problem

Check engine light keeps reporting an issue and despite takata recall - spending thousands of dollars on coded repairs, the light comes back on. I have spent numerous dollars to replace cat converter, 2 sets of injectors, fuel pump, on and on. . . . . . Within 2 days, the light is back on.   Read details...

The Fuses And Circuit Breaker problem

2003 Toyota Highlander. The vehicle died while going 70 mph. The vehicle was pulled over. The consumer pulled out the fuses and started the vehicle. Then, he drove the vehicle home. The dealership stated they could not duplicate the problem. Consumer had no warning that this was going to happen.   Read details...

The Wiring problem

Electrical short in headliner between sun roof and sun visor. Burn mark 5-6 inches long through headliner. No fire or flames but could smell strong odor of smoke.   Read details...


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



Safety Ratings of Highlander Cars
Fuel Economy of Highlander Vehicles
Highlander Service Bulletins
Highlander Safety Recalls
Highlander Defect Investigations