Electrical System Related Problems of the 2012 Toyota 4Runner

Table 1 shows two common electrical system related problems of the 2012 Toyota 4Runner. The number one most common problem is related to the electrical system (three problems). The second most common problem is related to the wiring (two problems).

Table 1. Electrical System related problems of Toyota 4Runner

Problem Category Number of Problems
Electrical System problems
3
Wiring problems
2

Recently reported Electrical System problems of the 2012 Toyota 4Runner

The Electrical System problem

The backup camera does not work consistently. While not moving and then shifiting into reverse, the screen does not change or changes to something other than the camera. It usually stops working after several stops and shifts into reverse.   Read details...

The Wiring problem

Squirrels keep eating my electrical wiring and the wiring harness. They access the engine bay through the openings in the wheel wells after jumping on top of the tires. The results have disabled my abs, 4wd, limited slip, etc. I've tried rodent repellent, fox urine, and parking in the garage.   Read details...


Electrical System related problems in other Toyota 4Runner model year vehicles:



Safety Ratings of 4Runner Cars
Fuel Economy of 4Runner Vehicles
4Runner Service Bulletins
4Runner Safety Recalls
4Runner Defect Investigations