Driving along the freeway in winter conditions I used the rear defroster for the back window, this caused the back glass to explode loudly, shattering glass onto belongings, animals and the road behind us. This caused drivers behind us to act evasively and myself as well making a winter driving condition more dangerous, not to mention the spray of glass that reached the back seats of my car with p…
2007 toyota 4Runner electrical problems
severe 13 complaints filed with NHTSA · avg repair $850
Complaints
13
Recalls
0
Crashes
0
Avg fix
$850
What owners are reporting 3 most recent
MICE HAVE INFILTRATED THE HEADLINER AREA OF 2007 TOYOTA 4 RUNNER. THEY BUILT A NEST AND CHEWED THE WIRING INSULATION FOR THE SUNROOF SWITCH WHICH CAUSED A SHORT THAT MELTED THE WIRES AND CAUSED THE SUNROOF TO MALFUNCTION. DEALERSHIP REPLACED THE SWITCH AND REPAIRED THE WIRES FOR $360 SINCE THIS WAS NOT COVERED UNDER WARRANTY. AFTER EXPLORING THE INTERNET OTHER PEOPLE ARE EXPERIENCING THE SAME PROB…
TL* THE CONTACT OWNS A 2007 TOYOTA 4RUNNER. THE CONTACT STATED THAT THE WIRING HARNESS HAD TO BE REPLACED DUE TO RODENTS EATING THE INSULATION ON THE WIRES. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE INSULATION ON THE WIRES WERE MADE OF RICE HULLS AND ATTRACTED RODENTS. THE WIRES NEEDED TO BE REPLACED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE THE FAILURE MILEAGE WAS…
Common questions
How serious is the electrical problem on the 2007 toyota 4Runner?
It's a meaningful issue. 13 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $850.
At what mileage does the electrical typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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