Table 1 shows one common electrical system related problems of the 2026 Toyota 4Runner.
| Problem Category | Number of Problems |
|---|---|
| Electrical System problems |
The contact owns a 2026 Toyota 4runner. The contact stated that on several occasions while driving at various speeds, after disconnecting the trailer wiring harness, the message tow/haul mode or a trailer coverage indicator appeared even though the vehicle was no longer hauling the trailer. The message "no trailer detected" was occasionally displayed. The contact stated that the indicator deactivated, and the lane assistance and emergency steering feature were displayed while driving. The lane assistance, and the wheel did not vibrate or jerk into the correct position. Additionally, the blind spot monitoring system failed to detect vehicles in the blind spot. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure, and a complaint was filed. The failure mileage was 300.