Three problems related to electrical system have been reported for the 2018 Toyota 4Runner. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2018 Toyota 4Runner based on all problems reported for the 2018 4Runner.
Apparently rodents have gone to the engine and ate the soy wires to the harness. This in turn has cost me over $1000 to fix. The only warning was when the warning lights came on and four runner started to shake when started.
Purchased vehicle brand new with 18 miles on it. I get it serviced like clockwork and have never missed a maintenance appointment. A little over a week ago, the electrical locking system on the drivers side door stopped functioning. Toyota is telling me that there are no recalls and it will cost me almost $1000. 00 to repair. Now, the electric locking system for the passenger side door is not working and Toyota is still saying it is nothing they can do because there is no recall and the vehicle is no longer under warranty. This is not acceptable. One minute the locking system was working with no obvious signs that something was amidst, then all of a sudden, my 4 runner doors are not locking. Now the cost is double and they are saying that the other doors will soon follow.
Vehicle was being driven on beltway and suddenly lost all power, braking, and steering capabilities. Emergency brake was used to stop vehicle. Vehicle was not able to be restarted. Phone attached via cigarette outlet was zapped. Manufacturer has failed to assume any responsibility customer has endured due to this total vehicle malfunction.