What a VIN check tells you and where to get one in Illinois
A VIN check pulls the history of a specific vehicle using its 17-character Vehicle Identification Number. The report shows whether the car has been in accidents, had major repairs, been flooded, been branded as a salvage or rebuilt title, or had odometer rollback. In Illinois, you can run a VIN check through commercial services like Carfax or AutoCheck, or through the Illinois Secretary of State's office if you need title history.
The reason to run a VIN check before buying a used car is straightforward: a vehicle that looks fine on the lot may have hidden damage or a salvage title that makes it unsafe or hard to insure. A report costs between $20 and $40 from most commercial services, though some dealerships run them for free as part of their sales process.
Illinois does not have a single free government VIN check tool that gives you the full accident and repair history. The state's Secretary of State office can tell you whether a title is clean or branded (salvage, rebuilt, flood, lemon law), but they do not provide accident reports or service records. For that information, you need a commercial report.
Key Takeaways
- A VIN check report shows accident history, major repairs, title status, and flood damage — information you cannot see by looking at the car.
- Commercial services like Carfax and AutoCheck cost $20 to $40 per report and are the main source of accident and repair history in Illinois.
- The Illinois Secretary of State can confirm whether a title is clean or branded (salvage, rebuilt, flood), but does not provide accident details.
- Always run a VIN check before buying a used car, and ask the seller or dealer for their own records of service and repairs.
How to run a VIN check through commercial services
The two largest commercial VIN check services are Carfax and AutoCheck. Both pull data from insurance claims, police reports, service records, and auction houses. To run a check on either site, you enter the 17-character VIN (found on the driver's side dashboard, the door jamb, or the title) and pay the fee. You get the report when ready as a PDF you can read and share.
Carfax reports tend to be more detailed and include more service records from dealerships, which is why they are slightly more expensive. AutoCheck reports are often cheaper and focus more on title and accident history. Neither service is perfect — if an accident was never reported to insurance or police, it will not show up on either report. A private repair shop that was paid in cash also will not appear.
Some dealerships and used car lots run Carfax or AutoCheck reports for free as part of their sales pitch. If you are buying from a dealer, ask whether they have already run a report and will share it with you. If you are buying from a private seller, you will need to run the check yourself.
Checking title status through the Illinois Secretary of State
The Illinois Secretary of State's office maintains the title history for every vehicle registered in the state. You can contact them to find out whether a title is clean or branded. A branded title means the state has marked the vehicle as salvage, rebuilt, flood-damaged, or subject to a lemon law buyback. A clean title means none of those flags explore.
To check title status, call the Illinois Secretary of State's Vehicle Services Division at 217-782-6866 or visit their office in person. You will need the VIN and the current owner's name. They can tell you the title status over the phone, though getting a certified copy of the title itself takes longer and may require a fee.
Knowing the title status is critical. A salvage or rebuilt title means the car was declared a total loss by an insurance company at some point, even if it has been repaired. A rebuilt title means it was salvage and then repaired and passed inspection. These vehicles are legal to drive in Illinois, but they are harder to insure, worth less, and may have hidden structural damage. Many lenders will not finance a car with a branded title.
What information appears on a VIN check report
A typical Carfax or AutoCheck report includes the vehicle's ownership history, title status, accident and damage records, service and repair records, odometer readings over time, and whether the car was ever used as a rental or fleet vehicle. The report also flags whether there are any open recalls for that model and year.
Accident records show the date, type of damage (collision, fire, flood), and severity (minor, moderate, severe). Service records may include routine maintenance like oil changes and tire rotations, as well as major repairs. Odometer readings help you spot whether the mileage has gone backward, which is a sign of tampering.
One important limit: a VIN report does not include private repair work. If the previous owner paid a mechanic in cash to fix damage from an accident, that repair will not show up. This is why it is worth having a trusted mechanic inspect the car in person before you buy, even after you have read the report.
How to interpret a VIN report and spot red flags
Start by checking the title status. If it says "Salvage," "Rebuilt," "Flood," or "Lemon Law Buyback," you are dealing with a car that had major problems. A rebuilt title is not automatically a deal-breaker, but it means you should have a mechanic inspect it thoroughly and you should expect to pay less than you would for a clean-title vehicle.
Next, look at the accident history. One minor fender-bender is normal for a used car. Multiple accidents, or one severe accident, should make you cautious. Pay attention to the date and type of damage. If the car was in a major collision six months ago and is now being sold, ask yourself why the owner is getting rid of it so quickly.
Check the odometer readings against the mileage claimed by the seller. If the mileage has dropped between two readings, that is a red flag for odometer fraud. Also look at the service records. A car with regular maintenance is usually a safer buy than one with no service history.
What to do if the VIN check reveals problems
If the report shows a branded title or a serious accident, you have three choices: walk away, negotiate a lower price, or have a mechanic inspect the car and decide whether the damage was properly repaired. Many buyers choose to walk away rather than deal with the uncertainty and resale problems that come with a branded title.
If you decide to negotiate, use the report as your evidence. Show the seller or dealer the accident history or title status and explain why the car is worth less. A car with a rebuilt title or a history of major repairs should cost significantly less than a comparable clean-title vehicle.
If you decide to move forward, hire a mechanic to do a pre-purchase inspection. A good mechanic can often tell whether a car was properly repaired after an accident by looking at the paint, the welds, and the alignment. This inspection usually costs $100 to $200 but can save you thousands in hidden repair costs later.
Frequently Asked Questions
Where do I find the VIN on a car?
The VIN is stamped on the driver's side of the dashboard, visible through the windshield from outside the car. It is also printed on the driver's side door jamb, on the title, and on the insurance card. It is always 17 characters long and includes both letters and numbers.
Can I run a free VIN check in Illinois?
The Illinois Secretary of State can tell you the title status for free over the phone, but commercial accident and repair history reports from Carfax or AutoCheck cost $20 to $40. Some dealerships run reports for free as part of their sales process, so it is worth asking.
What does a rebuilt title mean?
A rebuilt title means the car was declared a total loss by an insurance company, then repaired and passed a state inspection. It is legal to drive and own, but it is worth less, harder to insure, and many lenders will not finance it. A mechanic's inspection is important before buying a rebuilt-title vehicle.
Will a VIN check show all accidents?
No. A VIN report only shows accidents that were reported to insurance or police. If someone paid for repairs in cash and never filed a claim, that accident will not appear on the report. This is why a pre-purchase inspection by a mechanic is still valuable even after you have read the report.
Can I check a VIN before I test drive the car?
Yes. If you are looking at a car online or at a lot, you can ask the seller or dealer for the VIN and run a report before you even visit. This can save you time by ruling out cars with serious problems before you make the trip.