Toyota Highlander owners have reported 602 electrical system related problems since 1996. Table 1 shows the 28 most common electrical system problems. The number one most common problem is related to the vehicle's electrical system (518 problems). The second most common problem is related to the vehicle's wiring (11 problems). For details of each of the problem category, use the links in the table.
I noticed the smell of wires burning, a billow of smoke started emitting from the two levers used to heat the seats near the gear shift area. I was on the freeway and immediately pulled to the side of the road, turned off the car and called 911 before any flames were seen. Read details...
The vehicle was parked in our driveway and has twice had rats chewing on the coolant temperature censor wiring. These are the only wires they�ve chewed on so far. I feel the soy based wiring that Toyota uses is to blame since my neighbors are not having problems with their vehicles that are Read details...
The 2012 Highlander speedometer consistently shows 3 miles over the actual speed, as compare to various highway speed monitors and commercial gps speed indicators. However, Toyota dealer and headquarter said the speedometer is within performance specification. Read details...
I was out for heading home & my vehicle would not start. I had the brake pedal pressed & pushed the start engine button. The vehicle just made a rapid clicking noise. There was a "braking power low/ stop in a safe place" light on the dashboard. Read details...
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...