OBSOLETE NOTICE January 22, 2024: This bulletin is now obsolete. Please see T-SB-0057-18.
full bulletin at NHTSA ↗2008 Toyota Sienna equipment problems
moderate 3 complaints filed with NHTSA · avg repair $500 · see equipment across all vehicles →
When does it fail?
Of the 3 equipment complaints filed for the 2008 Toyota Sienna, here's the actual mileage breakdown — failures cluster heaviest at 25,000-50,000 mi.
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
No new NHTSA equipment complaint has been filed on this vehicle in over 16 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering equipment on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
TSB: Replacement certification labels (the vinyl label installed on the driver door or door post) and VIN plates (the metal plate riveted to dashboard) (see Figure 1) for most 1979 ? 2023 model year vehicles may be available provided the requests meet the criteria listed in this Service Bulletin. Follow the Procurement Procedure in this bulletin to request a replacement certification label or VIN plate.
full bulletin at NHTSA ↗TSB: The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased. Follow the procedures in this bulletin to reset a vehicle Immobilizer or Smart Key system.
full bulletin at NHTSA ↗TSB: Some 2005 ? 2022 model year Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty smell is present. Follow the procedures in this bulletin to remediate the odor and address this condition. The purpose of this service bulletin is to provide general guidelines and procedures for odor remediation. This service bulletin provides a guide on how to prepare the interior of the vehicle prior to an odor remediation being performed, as well as contact information for an approved vendor who will arrange the remediation, and instructions on how to prepare the interior of the vehicle for reassembly once the remediation has been completed. Refer to all model and
full bulletin at NHTSA ↗POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Toyota. This information must be kept near the point of vehicle sale and be available to any customer that requests it. Customers can find this information on the Owner?s section of Toyota.com. Dealers can locate a copy of this guide on the Claims Processing & Resource Center in Dealer Daily as well.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 1 most recent
Toyota gas pedal stuck. I realize that there is already something in the works for this problem, but I wanted to add my story, my family and I were traveling in wichita hwy54 at approx 7pm. I went to pass a car when I pushed the gas pedal all the way down it...stuck. I reached speeds probably over 100mph into an construction zone (50mph) where I shut off the vehicle and coasted onto the shoulder.…
Common questions
How serious is the equipment problem on the 2008 Toyota Sienna?
It's a documented issue but not catastrophic. 3 complaints have been filed. Repairs average $500 and most owners catch it before it causes a breakdown.
At what mileage does the equipment typically fail?
Based on the 3 complaints filed, equipment issues most often appear around 30,000 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $500 for equipment 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 equipment?
No active recalls currently cover equipment 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.