TSB: The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. Follow the procedures outlined in this service bulletin to aid in locating, inspecting, and repairing refrigerant leaks
full bulletin at NHTSA ↗2019 Toyota 4Runner visibility problems
moderate Owners of the 2019 Toyota 4Runner have filed 4 NHTSA complaints about the visibility at roughly $350 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See visibility across all vehicles →
| Model year | visibility complaints |
|---|---|
| 2016 4Runner | 4 |
| 2019 4Runner (this page) | 4 |
| 2021 4Runner | 3 |
When does it fail?
Of the 4 visibility complaints filed for the 2019 Toyota 4Runner, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 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 visibility complaint has been filed on this vehicle in over 6 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 visibility 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.
Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 2 most recent
Tl* the contact owns a 2019 Toyota 4runner. While driving 70 MPH, the contact heard an abnormal popping noise as the sun roof exploded. The vehicle was taken to don mcgill Toyota (11800 katy fwy, houston, tx 77079, (281) 496-2000) and the contact was informed that an object struck the sun roof. The sun roof was replaced. The manufacturer was made aware of the failure and informed the contact that…
The contact owns a 2019 Toyota 4Runner. The contact stated that while attempting to lock the doors with the key fob, the front passenger’s side door failed to lock as desired. The contact took the vehicle to the dealer who diagnosed that the actuator failed and needed to be replaced. The vehicle had been repaired. Shortly after the repair, the front passenger’s side window failed to lower and…
Common questions
How serious is the visibility problem on the 2019 Toyota 4Runner?
It's a documented issue but not catastrophic. 4 complaints have been filed. Repairs average $350 and most owners catch it before it causes a breakdown.
At what mileage does the visibility typically fail?
Based on the 4 complaints filed, visibility issues most often appear around 18,991 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 $350 for visibility 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 visibility?
No active recalls currently cover visibility 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.