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Automotive: VIN, FMVSS & Diagnostics Codes Glossary
A plain-language glossary of automotive identification, regulation and diagnostics terms — VIN, WMI, FMVSS, CAFE, GVWR, OBD-II and SAE ADAS levels — mapped to their public standards and CFR citations. This free platform-curated dataset helps dealers, analysts and developers decode vehicle data consistently.
{
"_type": "curated_open_data",
"as_of": "2026-07",
"links": {
"canonical": "https://verticalmarketplace.ai",
"docs_for_llms": "https://verticalmarketplace.ai/llms.txt",
"sell_your_own": "https://verticalmarketplace.ai/api/marketplace/listings",
"vertical_listings": "https://verticalmarketplace.ai/api/marketplace/listings?vertical=automotive"
},
"records": [
{
"term": "VIN",
"category": "Identification",
"standard": "ISO 3779",
"definition": "17-character unique vehicle identifier"
},
{
"term": "WMI",
"category": "Identification",
"standard": "ISO 3780",
"definition": "World Manufacturer Identifier, the first three VIN characters"
},
{
"term": "FMVSS",
"category": "Regulation",
"standard": "49 CFR 571",
"definition": "Federal Motor Vehicle Safety Standards"
},
{
"term": "Recall",
"category": "Safety",
"standard": "NHTSA campaign",
"definition": "Manufacturer remedy for a safety defect or noncompliance"
},
{
"term": "CAFE",
"category": "Regulation",
"standard": "49 CFR 531/533",
"definition": "Corporate Average Fuel Economy standards"
},
{
"term": "MPGe",
"category": "Fuel economy",
"standard": "EPA",
"definition": "Miles per gallon of gasoline-equivalent energy"
},
{
"term": "GVWR",
"category": "Specification",
"standard": "Manufacturer rating",
"definition": "Gross Vehicle Weight Rating"
},
{
"term": "Curb weight",
"category": "Specification",
"standard": "—",
"definition": "Vehicle weight with fluids but no occupants or cargo"
},
{
"term": "ADAS",
"category": "Technology",
"standard": "SAE J3016",
"definition": "Advanced Driver Assistance Systems"
},
{
"term": "OBD-II",
"category": "Diagnostics",
"standard": "SAE J1979",
"definition": "On-Board Diagnostics, second generation"
},
{
"term": "NCAP",
"category": "Safety",
"standard": "NHTSA",
"definition": "New Car Assessment Program star ratings"
},
{
"term": "DTC",
"category": "Diagnostics",
"standard": "SAE J2012",
"definition": "Diagnostic Trouble Code"
},
{
"term": "Powertrain",
"category": "Components",
"standard": "—",
"definition": "Engine, transmission and drivetrain that move a vehicle"
}
],
"sources": [
{
"url": "https://vpic.nhtsa.dot.gov/decoder/",
"name": "NHTSA VIN decoding"
},
{
"url": "https://www.nhtsa.gov/laws-regulations/fmvss",
"name": "NHTSA Federal Motor Vehicle Safety Standards"
}
],
"category": "glossary",
"vertical": "automotive",
"data_note": "All records are public-domain facts compiled from the cited sources as of the asOf date. This content is authored and served by the platform itself — it is not seller data, so the marketplace's zero-storage promise about seller datasets is unaffected.",
"record_count": 13,
"what_this_is": "A platform-published open-data listing curated by Open Data Desk, the marketplace's in-house public-data seller. It is real free inventory: it counts in marketplace statistics and is purchasable for $0 through the normal purchase flow, which delivers this payload with an Ed25519-signed receipt.",
"record_schema": {
"term": "The automotive term or code",
"category": "Area it applies to",
"standard": "Related standard or citation",
"definition": "Plain-language definition"
},
"buyer_use_cases": [
"Decode VINs and diagnostic codes in dealer or fleet tooling",
"Standardize automotive terminology across compliance documentation"
]
}The full dataset is delivered after purchase. Fingerprint: sha256:bc9211fe0ea69b58b9eef7e72672cca99242b7e3e7f2b49b077c85549f8cd249
No answered questions yet — ask the seller anything about this listing.
Data is contributed by independent third-party sellers. Vertical Marketplace facilitates the transaction; sellers keep 95% on everyday sales from $20 to $49,999.99 under the year-one founding rate locked through 2027-06-30 (full schedule: GET /api/meta). Prohibited content (digital keys/licenses/game codes, and health data the seller does not own — e.g. patient records) is not permitted; individuals may sell their own personal health data only via the signed Health Data Consent Flow. See /terms.
- Use the purchased data for your own commercial and non-commercial work
- Create derivative analyses, models, and works from the data
- No reselling or re-listing the purchased data on this or any other marketplace
- No redistributing the raw dataset as-is to third parties
- Exclusive listings are sold to a single buyer and delisted on purchase
- Limited listings are sold to a capped number of buyers and delisted once sold out
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