One problem related to side/window air bag has been reported for the 2004 Toyota 4Runner. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Toyota 4Runner based on all problems reported for the 2004 4Runner.
The contact owns a 2004 Toyota 4 runner. While driving approximately 35 mph, the driver and passenger side curtain air bags suddenly deployed. The vehicle was taken to the dealer. The manufacuter was contacted and informed the contact an inspector would inspect the vehicle for the failure. The inspector stated the failure could have been caused by drink spillage in the cup holder because the air bag module was located under the cup holder. The inspector could not guarantee that was the cause of the failure. The vehicle was taken to an independent mechanic who was unable to diagnose the failure. The vehicle was not repaired. The VIN was unavailable. The approximate failure mileage was 75,000.