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Other or unknownPart report

2009 Toyota 4RUNNER Other or unknown Problems

Complaints
2about this part
Share
9%of 22 total for the year
Median mileage
79,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the other or unknown of the 2009 Toyota 4RUNNER, 9% of the 22 complaints for this model year. Where a mileage was given, the median is 79,000 miles. 1 of these say a crash was involved, according to the filers.

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.

“On 4/8/22, the rear window of our 2009 Toyota 4runner just shattered and fell apart for no reason. We took it to get replaced at Safelite on 4/13/22 and one of their techs asked if we knew what caused the glass to break and we told him we had no idea. We told him it just broke out of nowhere from some strange reason, and he told us that it looks like the window breaking was caused by the overheating of the rear defroster and that it was a common issue with 2009 4runners. We were in shock to find this out and are grateful that our son or dog was not in the back seat when this happened. …”

NHTSA complaint #11461419, filed 2022-04

Related service bulletins

Other or unknown: other model years

YearComplaintsShare of year
2026229%
2025915%
2024220%
20231236%
2022821%
202126%
2020927%
20191218%
2018915%
20171439%
20161822%
20151416%
20141114%
20131028%
201266%
201196%
201085%
200929%
20081213%
20072114%
20067820%
20056816%
200412118%
200311116%
20023214%
20012514%
20006012%
19993711%
1998166%
1997218%
1996127%
199595%
199446%
199023%
1988111%

Other parts of the 2009 Toyota 4RUNNER

Transmission and drivetrain
10 complaints
Electrical system
4 complaints
Body and structure
3 complaints
Air bags
2 complaints
Engine
2 complaints
Engine cooling
2 complaints
Fuel system
2 complaints
Steering
2 complaints
Suspension
2 complaints
Seats
1 complaints
Vehicle speed control
1 complaints

← All problems reported for the 2009 Toyota 4RUNNER

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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