Priced as of May 19, 2026
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Last reviewed May 19, 2026
TL;DR Reads and clears generic OBD-II powertrain codes on any 1996+ vehicle — fast, reliable, and nearly universal. No enhanced codes (ABS, SRS, transmission), no bidirectional capability, and no software updates; it's a code reader, not a scan tool.
What it is and how it performs
The ANCEL AD310 is a wired OBD-II code reader that plugs into the 16-pin port under the dash and draws power from the vehicle — no batteries needed. It reads and clears generic OBD-II powertrain codes, captures freeze frame data at the moment a fault occurs, and displays live emission PIDs (roughly 15–20 standard parameters). All five OBD-II protocols are confirmed — CAN, KWP2000, ISO 9141-2, J1850 VPW, and J1850 PWM — so it connects to virtually any 1996+ US vehicle and most 2000+ European and 2008+ Asian makes without issue. With 64,000+ Amazon verified-purchase reviews at 4.6★ and 79% five-star ratings, the coverage breadth is well-documented at scale. The limitation is equally explicit: the manufacturer states the tool supports emission-related powertrain codes only. ABS, SRS, transmission, and TPMS codes are not accessible, and the device cannot command any vehicle system — it is read-only.
Who should buy this — and who should skip it
Owners who want a compact, reliable tool for diagnosing a check-engine light and nothing more will find the AD310 hard to beat at its price. It handles the most common DIY task — reading a P-code, deciding whether to drive or park, and clearing it after a repair — faster and more reliably than any smartphone dongle at a comparable price. Skip it if you need ABS or SRS access, want to reset oil life or service indicators, or plan to work on European makes where enhanced coverage matters. A mid-tier unit such as the Innova 3100RS or Autel AL619 covers those use cases at a modest price step.
Safety and environmental impact
The AD310 is a wired diagnostic device with no chemical emission, no aerosol, and no internal battery. No UL listing or ETL certification is documented; FCC registration is not applicable to a wired device with no RF component. No active CPSC recalls exist (checked May 2026), and no documented vehicle communication errors appear in the community review corpus. At end of life, the unit qualifies as standard e-waste and can be dropped off at Best Buy, Staples, or any municipal e-waste facility.
From the manufacturer
Marketing copy from ANCEL, via Amazon. Not editorial.
- •CEL Doctor: The ANCEL AD310 is one of the best-selling OBD II scanners on the market and is recommended by Scotty Kilmer, a YouTuber and auto mechanic. It can easily determine the cause of the check engine light coming on. After repairing the vehicle's problems, it can quickly read and clear diagnostic trouble codes of emission system, read live data & hard memory data, view freeze frame, I/M monitor readiness and collect vehicle information.
- •Sturdy and Compact: Equipped with a 2.5 foot cable made of very thick, flexible insulation. It is important to have a sturdy scanner as it can easily fall to the ground when working in a car. The AD310 OBD2 scanner is a well-constructed mechanic tool with a sleek design. It weighs 12 ounces and measures 8.9 x 6.9 x 1.4 inches. Thanks to its compact design and light weight, transporting the device is not a problem. The buttons are clearly labelled and the screen is large and displays results clearly.
- •Accurate Fast and Easy to Use: The AD310 scanner can help you or your mechanic understand if your car is in good condition, provides exceptionally accurate and fast results, reads and clears engine trouble emission codes in seconds after you fixed the problem. This device will let you know immediately and fix the problem right away without any car knowledge. No need for batteries or a charger, get power directly from the OBDII Data Link Connector in your vehicle.
- •OBDII Protocols and Car Compatibility: Many cheap scan tools do not really support all OBD2 protocols. AD310 scanner as it can support all OBDII protocols such as KWP2000, J1850 VPW, ISO9141, J1850 PWM and CAN. This device also has extensive vehicle compatibility with 1996 US-based, 2000 EU-based and Asian cars, light trucks, SUVs, as well as newer OBD2 and CAN vehicles both domestic and foreign. Pls confirm with our customer service whether it is compatible with your vehicle before purchasing.
- •Home Necessity and Worthy to Own: This is an excellent code reader to travel or home with as it weighs less and it is compact in design. You can easily slide it in your backpack as you head to the garage, or put it on the dashboard, this will be a great fit for you. The AD310 is not only portable, but also accurate and fast in performance. Moreover, it covers various car brands and is suitable for people who just need a code reader to check their car.
- •The AD310 only supports the diagnosis of emission-related issues. If the engine fault is unrelated to the emission system, it cannot read the engine fault codes. The AD310 only supports use with the OBDII interface. If your vehicle has an OBDI interface, diagnosis cannot be performed even if an OBDII adapter is used.
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Manufacturer specifications
- Brand
- ANCEL
- Power Source
- Corded Electric
- Product Dimensions
- 8.9"L x 6.9"W x 1.4"H
- Operating System
- Linux
- Screen Size
- 2.4 Inches
- Language
- English
- Automotive Fit Type
- Universal Fit
- Native Resolution
- 128x64
- Item Dimensions L x W x H
- 8.9"L x 6.9"W x 1.4"H
- Brand Name
- ANCEL
- UPC
- 602938440233 602938439893 602938430845
- Global Trade Identification Number
- 00602938440233
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