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Electrical systemPart report

2026 Toyota 4RUNNER Electrical system Problems

Complaints
1about this part
Share
14%of 7 total for the year
Median mileage
300miles
Trend
Too newThis model year is less than 4 years old, so a trend is not meaningful yet.

NHTSA recorded 1 complaints about the electrical system of the 2026 Toyota 4RUNNER, 14% of the 7 complaints for this model year. Where a mileage was given, the median is 300 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“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. …”

NHTSA complaint #11755992, filed 2026-08, 300 miles

Electrical system: other model years

YearComplaintsShare of year
2026114%
2025813%
2024220%
202225%
202138%
202013%
2019812%
201847%
2017514%
20161822%
20151315%
20142431%
2013411%
201266%
201164%
201043%
2009418%
200855%
2007138%
2006185%
200592%
2004223%
2003122%
200231%
200163%
200041%
1999175%
1998114%
199762%
199632%
199563%
1993510%
1992611%
199011%

Other parts of the 2026 Toyota 4RUNNER

Transmission and drivetrain
3 complaints
Other or unknown
2 complaints
Exterior lighting
1 complaints
Forward collision avoidance
1 complaints
Fuel system
1 complaints
Visibility (wipers, defrost, mirrors)
1 complaints
Wheels
1 complaints

← All problems reported for the 2026 Toyota 4RUNNER

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology