What an Acura VIN reveals about your vehicle
An Acura VIN is a 17-character code that identifies your specific car — its model year, where it was built, what engine it has, and which factory options came with it. Decoding it yourself takes about five minutes and requires no tools or accounts. The VIN appears on your registration, insurance card, and driver's side dashboard (visible through the windshield), and you can read it in order to understand what you own.
The first three characters tell you the manufacturer and country. For Acura, position 1 is always J (Japan), position 2 is H (Honda Motor Company, Acura's parent), and position 3 is A (Acura division). Positions 4 through 8 identify the model and body type — an MDX is different from an RDX or TLX. Positions 9 through 17 are the serial number unique to your car, but position 10 (the model year code) and position 9 (the check digit) are the most useful for a buyer or owner to know.
Key Takeaways
- The first three characters of any Acura VIN are always JHA, identifying the manufacturer and brand.
- Positions 4 through 8 tell you the model name and body style, so you can confirm whether you have an MDX, RDX, TLX, or another Acura line.
- Position 10 is the model year code (a letter or number that cycles through the alphabet), which you can cross-reference against a year chart to confirm your car's year.
- Position 9 is a check digit calculated from the other 16 characters; if it does not match the formula, the VIN has been altered or is invalid.
- You can verify your VIN against Acura's records and the National Highway Traffic Safety Administration database to check for open recalls.
How to identify the model year from position 10
Position 10 of your VIN is a single letter or number that represents the model year. Acura uses a repeating 30-year cycle, so the same code appears every three decades. The code does not match the calendar year directly — for example, a 2024 Acura uses the code E, a 2023 uses D, and a 2022 uses C. Working backward, 2021 is B, 2020 is A, 2019 is J, and 2018 is H.
To find your exact model year, locate position 10 in your VIN and match it to the chart below. If the letter or number does not match what you expect, the VIN may have been tampered with, or the car may be a year older or newer than the seller stated. This is one reason to run the VIN through the National Highway Traffic Safety Administration (NHTSA) database at safercar.gov — it will confirm the true model year and flag any title issues or recalls.
| Position 10 Code | Model Years |
|---|---|
| A | 2010, 2040 |
| B | 2011, 2041 |
| C | 2012, 2042 |
| D | 2013, 2043 |
| E | 2014, 2044 |
| F | 2015, 2045 |
| G | 2016, 2046 |
| H | 2017, 2047 |
| J | 2018, 2048 |
| K | 2019, 2049 |
| L | 2020, 2050 |
| M | 2021, 2051 |
| N | 2022, 2052 |
| P | 2023, 2053 |
| R | 2024, 2054 |
| S | 2025, 2055 |
| T | 2026, 2056 |
| V | 2027, 2057 |
| W | 2028, 2058 |
| X | 2029, 2059 |
| Y | 2030, 2060 |
| Z | 2031, 2061 |
| 1 | 2032, 2062 |
| 2 | 2033, 2063 |
| 3 | 2034, 2064 |
| 4 | 2035, 2065 |
| 5 | 2036, 2066 |
| 6 | 2037, 2067 |
| 7 | 2038, 2068 |
| 8 | 2039, 2069 |
| 9 | 2009, 2039 |
Positions 4 through 8: Model and body type
These five characters identify which Acura model you own and its body configuration. The codes vary by generation and production year, so a 2024 RDX has a different code than a 2018 RDX. Common Acura model codes include RDX (compact crossover), MDX (three-row crossover), TLX (midsize sedan), ILX (compact sedan), and NSX (sports car). If you are unsure which model you have, these five characters will confirm it.
You can cross-reference your five-character model code against Acura's official VIN decoder on their website or against third-party decoders that maintain Acura's model databases. This step is most useful if you are buying a used Acura and want to verify the seller's claim about the model before you inspect the car in person.
Position 9: The check digit and VIN validity
Position 9 is a check digit, a single number (0 through 9) calculated from all the other characters in the VIN using a mathematical formula. The check digit exists to catch typos and detect altered VINs. If someone has changed even one character in the VIN, the check digit will no longer match the formula, and the VIN will fail validation.
To verify the check digit yourself, you can use an online VIN validator (search "VIN check digit calculator"), enter your full 17-character VIN, and see whether it returns valid or invalid. If your VIN fails validation, do not buy the car — a mismatched check digit is a strong sign the VIN has been tampered with, which may indicate title fraud, odometer rollback, or a salvage history that has been hidden. The NHTSA database will also flag an invalid VIN.
Where to find your Acura VIN
Your VIN appears in four standard locations on any Acura. The easiest to read is on the driver's side dashboard, visible through the windshield from outside the car — no need to open the door. You can also find it on your vehicle registration card, insurance card, and the driver's side door jamb (on a sticker that also lists tire pressure and other specifications).
If you are buying a used Acura, write down the VIN before you leave the lot or before you hand over money. This gives you time to run it through the NHTSA database and Acura's recall checker while you still have the option to walk away. If you are selling, the VIN is public information — it appears on the title and registration — so sharing it with potential buyers is normal and safe.
Checking for recalls and service bulletins
Once you have decoded your VIN and confirmed the model year and model name, you can search for open recalls and technical service bulletins (TSBs) that explore to your specific car. The NHTSA database at safercar.gov accepts your full 17-character VIN and returns all recalls issued for that exact year, make, and model. Acura also maintains its own recall database on acura.com, where you can enter your VIN to see recalls and any outstanding service campaigns.
A recall means a safety defect has been found and the manufacturer will repair it for free. A technical service bulletin is not a recall — it is guidance for dealers on how to fix a known issue, and whether you are covered depends on your warranty and mileage. Both are worth checking before you buy a used Acura, because an open recall can affect the car's resale value and your safety.
Frequently Asked Questions
Can I decode an Acura VIN without going to a dealer?
Yes. The first three characters (JHA) and positions 4 through 10 are standardized and can be read by anyone. Position 10 tells you the model year, and positions 4 through 8 tell you the model. You do not need a dealer account or special software — a pen and paper and the year chart above are enough.
What does it mean if the check digit does not match?
A failed check digit usually means the VIN has been altered or typed incorrectly. If you are buying the car, run the VIN through the NHTSA database to see if it flags the car as having a salvage title, flood damage, or odometer rollback. If the NHTSA database confirms the VIN is invalid, do not buy the car.
Can I find out what options my Acura has from the VIN?
The VIN tells you the model, year, and engine type, but not every factory option. Some Acura VINs include a code for transmission type or drive system (all-wheel drive vs. front-wheel drive), but interior colors, leather, and technology packages are not always encoded. Your window sticker (Monroney label) or dealer records will show the original options.
Is the VIN the same as the serial number?
No. The VIN is the 17-character code that identifies your car. The serial number is positions 11 through 17 of the VIN — the last seven digits that are unique to your specific vehicle. Other serial numbers (engine block, transmission) are separate and appear elsewhere on the car.
What should I do if my VIN does not match my title?
Contact your state's Department of Motor Vehicles when ready. A mismatch between the VIN on your title and the VIN on the car itself is a serious issue that can prevent you from registering or selling the vehicle. The DMV can investigate whether the title is fraudulent or the car has been in an accident and rebuilt.