Electrical System Problems of Toyota 4Runner

Toyota 4Runner owners have reported 239 electrical system related problems since 1996. Table 1 shows the 26 most common electrical system problems. The number one most common problem is related to the vehicle's electrical system (155 problems). The second most common problem is related to the vehicle's wiring (25 problems). For details of each of the problem category, use the links in the table.


Recently reported Electrical System problems of Toyota 4Runner

The Electrical System problem

The contact was a police officer calling on behalf of the owner of a 2025 Toyota 4runner. The contact stated that while the owner was attempting to park the vehicle in a parking spot, the vehicle began to independently accelerate up a hill.   Read details...

The Wiring problem

Rodent chewed main engine wiring harness   Read details...

The Starter problem

The vehicle stalls, incosistently, but, on a frequent basis, at any given time, then will be fine for a long period of time. It eats batteries. I've had to replace the battery every year. A local automotive electrical specialist replaced the b+ cable from the battery to the starter, and the problem   Read details...

The Ignition Module problem

Warning lights began coming on around 60,000 miles or so. Started with the low tire pressure light & now has progressed to the vsc on, vsc off, abs warning lights being on all the time and the low tire pressure light is still on.   Read details...

The Dash Wiring problem

The contact owns a 2003 Toyota 4runner. The contact stated that while the vehicle was parked, the contact noted that there were cracks in the dashboard near the air vents. The vehicle was taken to a dealer where it was diagnosed that the dashboard was cracking and needed to be replaced.   Read details...




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