VIN Lookup FAQ — 25 Common Questions

Letters A through Z (except I, O, and Q) and digits 0 through 9. The letters I, O, and Q are excluded by the ISO 3779 standard because they look too similar to the digits 1 and 0.

Position 9 of every VIN is a check digit (0-9 or X) derived from a weighted sum of every other character in the VIN. The formula is defined in 49 CFR 565.15. If you change any other character, the check digit at position 9 will almost always come out wrong, which is how decoders detect transcription errors.

A single character at position 10 indicates the model year. Recent values: P=2023, R=2024, S=2025, T=2026, V=2027, W=2028, X=2029, Y=2030. The pattern repeats every 30 years and skips I, O, Q, U, Z, and 0.

No. A VIN is permanent and tied to the vehicle for its entire lifetime. A license plate is issued by a state DMV and can change every time the car is registered, sold across state lines, or the owner moves.

On most motorcycles the VIN is stamped on the steering neck (the metal tube under the handlebars) and also on the engine case. It's not on a windshield because motorcycles don't have one. Title and registration documents also list it.

Partially. VINs from before 1981 were not standardized — manufacturers used 11- to 17-character formats with their own internal logic. NHTSA's vPIC decoder usually handles common formats but accuracy varies. For very old vehicles a manufacturer-specific decoder or marque registry is usually better.

No. Exterior and interior color are not encoded in the VIN. They appear on the door jamb sticker, the build sheet, the original window sticker, and on the title document, but not in the 17-character VIN itself.

The 17-character format is governed by ISO 3779 and is the same worldwide for vehicles produced from 1981 onward. The first character indicates the geographic region: 1, 4, 5 = United States; 2 = Canada; 3 = Mexico; J = Japan; K = Korea; W, S, V, Y, Z = various European countries.

The first three characters of a VIN are the WMI. Position 1 is the geographic region, positions 2-3 identify the manufacturer. Examples: 1HG = Honda USA, 5YJ = Tesla USA, JTD = Toyota Japan, WBA = BMW Germany.

Sample/demo VINs you find online (including the famous 1HGCM82633A123456) often have arbitrary characters at position 9. NHTSA flags this but usually still returns the make, model, and year because the WMI and descriptor digits are valid. Real VINs from your own vehicle should validate cleanly. A check-digit failure on your real car's VIN usually means a typo.

No. The decode happens in your browser. The VIN is sent directly from your browser to NHTSA's public API. We do not log, store, or proxy it. We do not record which VINs are decoded. The page does use Google Analytics for anonymous traffic measurement but the VIN itself is never sent to GA.

Not from a free public tool. Ownership records are controlled by state DMVs under the Driver's Privacy Protection Act (DPPA) — most states only release them to law enforcement, insurance companies, attorneys, and other authorized parties. Carfax and AutoCheck show the NUMBER of previous owners but not their identities.

Accident history is not in NHTSA's free database. You need a paid history report from Carfax, AutoCheck, or a comparable service. Many dealers include a free Carfax with their listings — ask for it. Private sellers will rarely have one, so a $30-$45 single-report purchase is typically worth it on any used car over $5,000. Read the free-vs-paid guide →

The NICB (National Insurance Crime Bureau) offers a free VINCheck at nicb.org/vincheck, with usage limits (5 lookups per day). For more authoritative results, your local police department or the state DMV can run the VIN against the NCIC stolen-vehicle database.

NHTSA offers a free recall lookup at nhtsa.gov/recalls and a free API endpoint at api.nhtsa.gov/recalls/recallsByVehicle. Recall repairs are always free at any franchised dealer of that brand, regardless of vehicle age or ownership history.

Both pull from overlapping data sources but emphasize different things. Carfax has stronger service-record coverage; AutoCheck (owned by Experian) has stronger auction-history coverage and includes a numerical "AutoCheck Score" for comparing similar vehicles. Most car shoppers don't need both, but checking the one your dealer DOESN'T provide can occasionally surface gaps.

A branded title is one that has been flagged by a state DMV with a specific status: salvage (totaled by insurer), rebuilt (salvage that has been repaired and re-inspected), flood, lemon, junk, or odometer rollback. Branded titles significantly reduce a vehicle's value and may affect insurability. Paid history reports flag title brands; the free NHTSA decode does not.

Many parts catalogs (especially OEM parts) accept a VIN to look up fitment data for that specific vehicle, including engine variant, trim-specific brackets, and any mid-year changes. Using the VIN instead of just year/make/model avoids ordering the wrong part for a multi-engine model line.

Federally illegal in the United States under 18 U.S.C. § 511 — altering, removing, or counterfeiting a VIN is a felony punishable by fines and prison time. The VIN appears in multiple places on a vehicle (windshield, door jamb, engine block, sometimes the frame) precisely to make tampering detectable.

The VIN identifies the vehicle. The title is the legal proof of ownership (issued once, transferred at each sale). The registration is the state's annual permission to operate the vehicle on public roads (renewed yearly). The VIN appears on both the title and the registration.

Sometimes. Trim is encoded within the Vehicle Descriptor Section (positions 4-8) when the manufacturer chooses to allocate digits to it, but not every brand does. NHTSA's decoder returns the Trim field when it's available from the manufacturer's vPIC submission.

vPIC data is published by NHTSA as a public reference catalog and updated quarterly as automakers submit new model-year data. The data itself is permanent — even decades-old VINs are still decodable as long as the manufacturer's WMI is in the catalog.

You can try, but coverage is best for vehicles sold in the United States. NHTSA's database is most complete for U.S.-market vehicles. Foreign-market vehicles (especially right-hand-drive Japan-only or Europe-only models) often decode partially or not at all in vPIC. For those, the manufacturer's own VIN decoder is usually better.

Yes. NHTSA's vPIC API is provided as a public service by the U.S. government and has no rate limits, no fees, and no authentication requirements. We pass through to it directly. There is no scenario where this lookup will ask you to pay.