YearToAvoid

2006 Toyota 4Runner Electrical System Problems

NHTSA has 19 owner complaints about electrical problems in the 2006 Toyota 4Runner, 5% of all 381 complaints for this model year. That is #2 highest electrical complaint count among 21 4Runner model years. These complaints report 2 fires and 1 injury. Median mileage at failure: 109,404 miles.

Electrical System complaints
19
5% of 381
Crashes reported
0
Fires reported
2
Injuries reported
1
Median mileage
109,404 mi
Related recalls
0

When 2006 Toyota 4Runner electrical complaints were filed

First complaint Apr 7, 2006, latest Mar 6, 2023.

2006 Toyota 4Runner electrical system complaints: complaints filed per month2Apr 2006Apr 2010Sep 2014Jan 2015Jan 2019Jan 2021
19 complaints filed with NHTSA from Apr 2006 to Mar 2023; peak Jan 2021 (2).

Electrical System recalls for the 2006 Toyota 4Runner

No safety recalls on record for this model year.

Electrical System complaints by 4Runner model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

  1. 20059 (2%)
  2. 200619 (5%)
  3. 200714 (9%)
  4. 20085 (5%)
  5. 20094 (18%)
  6. 20105 (3%)
  7. 20117 (4%)
  8. 20126 (6%)
  9. 20134 (11%)
  10. 201424 (31%)
  11. 201513 (15%)
  12. 201619 (24%)
  13. 20175 (14%)
  14. 20185 (9%)
  15. 20198 (12%)
  16. 20203 (9%)
  17. 20216 (17%)
  18. 20222 (5%)
  19. 20233 (9%)
  20. 20242 (25%)
  21. 20258 (14%)

Frequently asked questions

Does the 2006 Toyota 4Runner have electrical problems?
NHTSA has 19 owner complaints about the electrical in the 2006 Toyota 4Runner, 5% of all complaints for this model year. Median mileage at failure is 109,404 miles.
Which Toyota 4Runner year has the most electrical complaints?
The 2014 Toyota 4Runner has the most electrical complaints (24), compared with 19 for the 2006.
Is there a electrical recall for the 2006 Toyota 4Runner?
No NHTSA recall campaign for the 2006 Toyota 4Runner is classified under electrical system. Complaints alone do not trigger a recall; check the full recall list and your VIN.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.