10 Best Car Code Readers in 2023 [Accurate & Reliable Data]


There are different types of car code readers available on the market today. Some are small and portable, while others are larger and more stationary. You’ll need to decide which type is best for your needs before purchasing one.

Best Overall
1
4.9
ANCEL OBD II Scanner

ANCEL OBD II Scanner

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  • 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, quickly read and clear diagnostic trouble codes, read live data & hard memory data, view freeze frame, I/M monitor readiness and collect vehicle information. Instead of taking car to mechanic shop, you can use it to check the trouble code and show code definition by yourself.
  • 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 device 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 codes in seconds. If you want to find out the cause of the check engine light, 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. This is not the case with the 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. Check compatibility with your vehicle model 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.
Best Runner-Up
2
4.8
Foseal Wired OBD2 Code Reader

Foseal Wired OBD2 Code Reader

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  • POWERFUL COMPATIBILITY : Handhold Design Car Code Reader supports all OBD2 protocols: KWP2000, ISO2000, ISO9141, J1850 VPW, J1850 PWM and CAN. The obd2 reader can works on most 1996 US-Based, 2000 EU-Based and Asian cars, and newer OBD II & CAN domestic or import vehicles. Support 7 Languages-English, German, Dutch, Spanish, French, Italian and Chinese.
  • OBD2 FULL FUNCTIONS : The vehicle fault code reader can Read & Clear DTCs, I/M Readiness Status Test, View Freeze Frame Date, Live Data: View & Graph Data Stream, O2 Sensor, Evap System Test, ON-Board Monitor Test, Identify VIN Information, DTC code look up, Turn off MIL(Malfunction Indicator Lights). It can not read and erase ABS, SRS(Airbag), and other systems fault codes.
  • DTC LOOKUP & PLUG AND PLAY : Plug and play obd reader, fast scan and easy to use. Foseal diagnostic code reader built-in OBD-II DTC look-up library, clicking on the error code directly for definition, displaying the error code and its meaning, saving time for you to looking for the meaning of DTC on the internet. You no longer do you need to rely on going to a mechanic to read and clear your cars fault code.
  • LCD DISPLAY : Foseal obd2 code reader built-in a large LCD display (128 x 64 pixel) with white backlight and contrast adjustment, from which you can read test results directly. No extra battery or apps installation needed, powered directly from the OBDII Data Link Port in your vehicle with low power consumption.
  • CUSTOMER SERVICE : a Quick Start Guide, a User Manual, It' easy to use even if you are a beginner. Reach out to our 24/7 thoughtful online support for any issues that arise when using the OBD2 scanner, we strive to make car repair simple, efficient, accurate and affordable. Foseal obd2 code reader's screen is with a tightly-fitting screen protector. If any scratches are found, just tear off the screen protector from the upper left or upper right corner.
Best Cost Effective
3
4.7
LAUNCH OBD2 Code Reader

LAUNCH OBD2 Code Reader

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  • 🌏[UNIVERSAL OBDII SCAN]: The scan tool gets the complete 10 modes of OBDII test to retrieve car fault codes, view freeze frame data, easily determine the cause of check engine light, turn off MIL and check vehicle emission-related monitors such as O2 Sensors, EVAP system etc.
  • 🚗 [WIDE COMPATIBILITY]: Most American, European and Asian OBDII-compliant models manufactured from 1996 and newer are covered by this OBD2 reader. It supports all OBDII protocols: KWP2000, ISO9141, J1850 VPW, J1850 PWM and CAN (Controller Area Network).
  • 📖 [DTC LIBRARY & MULTILINGUAL]: Every code comes with a description for better interpretation & analysis, and to eliminate the need to search online. The scan device also supports seven languages that include English, Portuguese, Russian, Italian, Spanish, French, and German.
  • 💰[COST-EFFECTIVE]: Within the price range of under $50, this scanner is a no-brainer decision. Featuring full OBD2 functions, easy operation, compact design etc. with a budget friendly price, it’s the best possible solution for any entry-level DIYers to perform basic car maintenance.
  • 🔧 [EASE OF USE]: Four button keypad buttons that make the menu super easy to scroll. “Plug and Play” feature does not require any battery or charger. Well built with a colorful LCD display to indicate test results directly. The diagnostic scanner is pretty easy to use for beginners.
Used by professionals & DIYers
4
4.6
TOPDON OBD2 Code Reader

TOPDON OBD2 Code Reader

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  • 10 OBDII full functions: The AL400 is TOPDON's mid-range full-featured OBDII code reader. Featuring built in DTC look up to help determine the cause of the engine light, ability to quickly read/clear generic codes (P0, P2, P3, and U0) and manufacturer specific codes (P1, P3, and U1), view freeze frame data, graph live data, O2 Sensor test, EVAP test (mode$8), one-touch I/M readiness button, obtain vehicle information, and identify basic vehicle issues.
  • Industry leading coverage: The AL400 works on most US vehicles manufactured after 1996 and European and Asian vehicles manufactured after 2000. Compatible with J1850 PWM, J1850 VPW, ISO9141, KWP2000, and CAN protocols. Supports 7 languages: English, French, Spanish, German, Italian, Portuguese, and Russian.
  • User friendly: The DLC cable includes a built-in LED flashlight for easy connection to the OBDII port. Compact design makes it easy to store in your toolbox or glove compartment. The easy to read 2.4 inch TFT backlit color screen displays the test results, even in the dark conditions. Free lifetime updates can be performed by connecting to a computer to maintain coverage.
  • Used by professionals & DIYersDIYers can use the AL400 to check their vehicles at any time a problem arises. Professional technicians can easily carry the AL400 to roadside assistance and home service jobs. Small repair shops can save money over expensive diagnostic tools because the AL400 can solve car engine system related problems.
  • Excellent customer serviceWe offer a comprehensive before-you-buy service. You can consult us at any time and we will provide purchase advice according to your needs. We will provide you with user manuals and quick start guides to get you started. We have an industry leading return and replacement policy and a 24 month warranty. You can contact our team at any time if you have questions during use, and we provide support online 24/7.
Best LCD Display
5
4.5
MOTOPOWER MP69033 OBD2 Scanner

MOTOPOWER MP69033 OBD2 Scanner

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  • ✅【Multi-Functions】- Practical Multi-Functions OBD2 code reader features built-in OBD2 DTC lookup library, which help you to determine the cause of the engine light, read code, erase code, view freeze frame, I/M ready, vehicle information, data flow, real-time curve, get vehicle speed information, calculate load value, engine coolant temperature, get engine speed.
  • ✅【Wide Capability】- Supports 9 protocols compatible with most 1996 US-Based, 2000 EU-Based and Asian cars, and newer OBD II & CAN domestic or import vehicles. Supports 6 languages - English,German, Dutch, Spanish, French, Italian.
  • ✅【LCD Display】- Designed with a clear display LCD screen (128 x 64 pixels) - white backlight and contrast adjustment. No need any battery or charger, OBD reader gets the power directly from your vehicle through the OBDII Data Link Connector.
  • ✅【ABS / Airbag codes NOT Supported】- It is able to read and clear check engine information which is part of OBDII system, but it cannot work with non-OBDII systems, including ABS / Airbag / Oil Service Light, etc.
  • ✅【Erase Codes】- When you find the fault codes, please fix the problem before erasing the codes. If the codes erased without the problem fixed, the engine fault light may turn on again in the future.
Best with Time Saving Code
6
4.4
Mucar CDL20 Pro OBD2 Scanner

Mucar CDL20 Pro OBD2 Scanner

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  • đŸ”„Why choose the Mucar CDL20 Pro diagnostic device? Upgraded OBD2 diagnosis supports 11 modes OBDII diagnostic functions: read codes, erase codes, MIL error indicator lamp, live data, EVAP system test, on-board mintor test, O2 scan sensor test, still image display, vehicle information, I/M ready. shaft, DTC code. - Search, all OBDII compliant vehicles, built-in DTC library, you do not need to search online, you can see if your car needs to be serviced.
  • đŸ”„Effective vehicle status analysis: with this OBD2 car diagnostic device, you can display real-time live data. This information contains the values (voltage, speed, temperature, speed, etc.) and system status information (open loop, closed circuit, fuel system status, etc.) generated by the various vehicle sensors, switches and actuators
  • đŸ”„The most time-saving code reader: simply connect the diagnostic device to the OBDII port and turn on the ignition and the device starts the error analysis. OBD2 code readers are much faster than other OBD-II scan tools. No batteries need or download the apps. A car reader for car diagnosis anytime and anywhere. Save money and time on repairs in the workshop
  • đŸ”„Wide vehicle coverage: mucar OBD-II diagnostic tools, compatible with most US cars from year of manufacture 1996, EU cars from 2000, as well as vehicles made in Asia, supports up to 8 vehicle languages: English, French, West Germany, Russia, Italy, Portugal. It supports all OBDII protocols (ISO914141). KWP200 00, J1850 PWM, J1850 VPW and CA
  • ✅ Mucar Service Call: +1-909-757-1959 From 5:00 pm to 5:00 am GMT. Any Question, Just call us.LIFETIME FREE TO USE & Internet Update. Any questions, please offer your car model&manufacture year and contact us.
Best Battery Test Function
7
4.3
AUTOPHIX Upgraded OBD2 Scanner

AUTOPHIX Upgraded OBD2 Scanner

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  • đŸ„‡ă€Truly 2-in-1 Car Diagnostic Scanner】The OM129 code reader has been upgraded in the actual fault detection of 200,000 cars. It can not only check the engine fault, display the fault cause, provide maintenance advice, but also check the health status of the car battery, so it is the first true 2-in-1 vehicle code reader in the market. In addition, this car computer code reader is equipped with the latest industrial chip, which makes the scanning speed 5X faster than other vehicle code readers.
  • 🚙【Full OBD2 Functions] Compared to other simple scanners, OM129 check engine code reader support full OBD2 functions: Read and Clear Codes, Freeze Frame, Data Stream, DTC LOOKUP, O-2 S-ensor Test, On-Board Monitor Test, EVAP System Test, Component Test, Data Record & Replay, Data Print and Vehicle Information. What's more, it can help you determine the cause of check engine light on and reset monitors after fixing the problem, 100% meet your basic maintainance needs for beloved car.
  • 🔋【Professional Battery Test Function】The obd2 scanner can collect the real-time battery voltage, then refer to the voltage parameters in the system to compare. Finally display the test result in the form of text & graphic. Via the prompt of the interface and the changes in real-time voltage graphics, you can better know the battery health status or expected remaining life. Most Surprisingly, it's deeply convenient that you don't need to open the hood to check the voltage in the cold winter.
  • 💡【Exclusive Designed Shortcut Keys】The auto code reader is designed with two hot keys "i" button and "I/M" button, so you can access to the two commonly used functions easily. The" i" button gives a detailed fault code definition and accurate repair advice directly instead of a bunch of technical terms you don't understand. I/M button helps you to quickly check the status of monitors misfire system and fuel system related to e-missions, and make sure the display is ready for s-mog test.
  • 📈【Support Viewing All Engine Live Data】The code readers & scan tool can display all data streams, including Calculated Load Value, EC Temp, Engine RPM, Vehicle Speed, Air Flow Sensor, Intake Air Temp, Barometric Pressure, Control Module Voltage, Fuel Rail Pressure, etc. All parameters support text and graphics display, and one graphic can reflect the dynamic changes of multiple real-time data, so you can understand the engine operating status more intuitily.
Best Compatibility
8
4.2
Akface OBD2 Car Code Reader

Akface OBD2 Car Code Reader

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  • Powerful Compatibility : The OBD 2 scan tool works on MOST 1996 US-Based cars, 2000 EU-Based and Asian cars, vehicles with all OBD2 protocols CAN, ISO9141, J1850 VPW, J1850 PWM, KWP2000. Support 6 Languages English, French, Spanish, Italian, Dutch and German.
  • Intellgent Monitor & Analyzer : The car diagnostic tool can easily determines the cause of the check engine light. Run I/M monitor readiness test, turn off the MIL (check engine light) , view freeze frame data and codes and show definitions, Monitor engine coolant temperature, etc.It can not read and erase ABS, SRS(Airbag), and other systems fault codes.
  • Classic Handhold Design & Easy to Use : OBD2 Code Reader is handhold design , with the function of” plug and play”. It can fast scan and clear trouble codes. It is very easy for a beginner to use this unit to read the error code. Just find out the problem and fix the easy ones yourself saving your valuable time and the costs of any repairs.
  • The Akface OBD II Scanner Code Reader has a large built-in LCD display (128 x 64 pixel) with white backlight and contrast adjustment, from which you can read test results directly. No extra battery or apps installation needed, powered directly from the OBDII Data Link Port in your vehicle with low power consumption.
  • Car diagnostic scanner is equipped with a 2.5 feet long and heavy duty cable enables you to sit comfortably while running diagnostic test.There are 6 buttons on OBD2 Scanner:scroll up/down,enter/exit, one click fast to vehicle ID number and trouble codes. Any problem, welcome to contact us!
Best Accuracy
9
4.1
KINGBOLEN OBD2 Code Reader

KINGBOLEN OBD2 Code Reader

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  • 🚗【Automotive OBD2 Code Reader】KINGBOLEN YA100 enhanced OBD2 Code Reader is an essential car scanning diagnostic tool, supports full OBDII functions, such as Read/Erase Codes, View Freeze Frame, Live Data, Vehicle Information, Component(EVAP System) Test, On-Board Monitor(Mode 6)/ O2(oxygen) Sensor Test, I/M Readiness and DTC Lookup. It can read and erase fault codes, turn off the check engine light so as to protect your driving safety.
  • 🚗【Plug and Play】 It is very easy to use even if you don't have any experience, no need any battery or charger, the YA100 OBD2 code reader gets the power directly from your vehicle through the OBDII Data Link Connector. Simple and effective tool designed for DIY enthusiasts, individual car owners, etc.. Affordable and worthwhile home car scan diagnostic tool.Not sure about compatibility? Ask us: [email protected]
  • 🚗【High-quality Scan Diagnostic Tool】 The YA100 OBD2 scanner is lightweight but very functional. It is equipped with a 1.8inch TFT Color Screen, which clearly displays the diagnostic results. With the Screenshot function, you can record the error code and data flow for easy viewing next time. It has a built-in DTC Lookup to help you quickly check fault codes. It also has the function of Voltage Test(check if the battery voltage is normal),and can be Lifetime Free Update.
  • 🚗【Accurate and Reliable Data】 Insert the OBD2 connector into the car data link connector and turn ignition on, select the Diagnostic Menu to perform a quick test.It can accurately read vehicle information and monitor the live data, scan the diagnostic freeze frame data, read and clear the fault code, allowing you to accurately judge the state of the car and avoid accidents in advance.
  • 🚗【Extensive Car Compatibility】The YA100 OBD2 code reader is compatible with most after 1996 and newer vehicles models(only 12v cars) in America, European and Asian. All OBD2 protocols are supported: SAE J1850 PWM, SAE J1850 VPW, ISO 9141-2, ISO 14230-4 (KWP2000) and ISO 15765-4 (CAN).It supports 10 languages like English, French, Russian, Spanish, German, Italian, Portuguese, Japanese, Chinese and Polish, which can easily meet your usage needs.Not sure about compatibility? Enquiry us:
Cheapest Option
10
4
RICOKEY Code Reader

RICOKEY Code Reader

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  • Wide Compatibility & V1.5 version: Works on all 1996 and Newer Cars which are All OBDII Compliant Vehicles. Whether your vehicle is gas, 12V diesel, new or old, our OBD2 reader will work with it.
  • Monitor & Analyzer: TOP Quality Bluetooth OBD2 Scanner, Read engine diagnostic trouble codes fast, reset check engine light(CEL), check if your vehicle is ready for SMOG inspection, turn off the MIL, and show Live sensor data directly on your Phone, save money by fixing car problems by yourself quickly and exactly.
  • Various Free APPs: Support for ALL Android devices and Windows PC (Samsung LG 2 Google Nexus, etc). FREE APP"Torque" & "DashCommand" &"OBD Fusion " works perfectly for Android Phone/tablet. It CANNOT be used with iOS devices such as iPhones. For iPhones & iPads, please look at our WiFi Version or Bluetooth 4.0 Scanner!
  • Support ALL 9 OBDII ProtocolsJ1850 PWM, J1850 VPW, ISO9141-2, ISO14230-4 KWP, ISO15765-4 (Can-BUS)
  • Smart Diagnostic Functions: Read & Erase trouble codes, both generic and manufacturer-specific, instantly display their meaning (over 3000 generic code definitions in the database). Current Sensor Data(Engine RPM, Calculated Load Value, Coolant Temperature, Fuel System Status, Vehicle Speed, Fuel Trim, Intake Manifold Pressure, Timing lights/advance, Air Flow Rate, Intake Air Temperature, Absolute Throttle Position, Oxygen sensor


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