10 Best Fault Code Readers: Fix Your Car

Are you searching for the best fault code readers?
We share helpful recommendations from real users who successfully diagnosed and fixed their car issues using these easy tools.

If your car’s check engine light is on, you need help. Finding the right fault code reader can save you time and money.

These tools are easy to use. They help you understand your car’s problems. Many cars made since 1996 are compatible.

Many users love these scanners. They share how the tools helped them fix their cars. Let’s explore the best options to keep your car running smoothly!

List of Top 10 Fault Code Readers

Title	Best For	Price
ANCEL AD310 Classic Enhanced Universal OBD II Scanner Car Engine Fault Code Reader CAN Diagnostic Scan Tool, Read and Clear Error Codes for 1996 or Newer OBD2 Protocol Vehicle (Black)	This scanner is perfect for anyone who wants to check their car’s engine. It’s easy to use and can help you find problems quickly.	View on Amazon (paid link)
MOTOPOWER MP69033 Car OBD2 Scanner Code Reader Engine Fault Scanner CAN Diagnostic Scan Tool for All OBD II Protocol Cars Since 1996, Yellow	This car scanner is perfect for car owners. It helps you find engine problems in your car.	View on Amazon (paid link)
VDIAGTOOL VD10 OBD2 Scanner Code Reader Car Diagnostic Tool Engine Fault Code Reader for Turn Off CEL with Freeze Frame/I/M Readiness for All OBDII Protocol Cars, OBD2 Scanner Diagnostic Tool	Tired of mysterious “check engine” lights? The VDIAGTOOL VD10 is perfect for DIY car owners and hobbyists. It makes fixing your car easy!	View on Amazon (paid link)
ANCEL AD410 Enhanced OBD2 Scanner, Vehicle Code Reader for Check Engine Light, Automotive OBD II Scanner Fault Diagnosis, OBDII Scan Tool for All OBDII Cars 1996+, Black/Yellow	The ANCEL AD410 OBD2 Scanner is perfect for car owners who want to check and fix engine problems on their own without taking the truck to a shop every time. It also works great for beginners and people with cars made in the US, Europe, or Asia from 1996 or newer, as it supports many languages and no extra power.	View on Amazon (paid link)
Autel OBD2 Scanner MS309 Universal Car Engine Fault Code Reader, Check Engine Light and Emission Monitor Status, OBDII CAN Diagnostic Scan Tool	The Autel OBD2 Scanner MS309 is perfect for DIY car owners and drivers who want to check engine lights, clear fault codes, and get vehicle info without going to a shop. It’s also great for those who need to prepare for smog checks and save time and money on basic car diagnostics.	View on Amazon (paid link)
FOXWELL NT201 OBD2 Scanner Code Reader for Cars and Trucks – Reset Check Engine Light, Read and Clear Fault Codes, Live Data Diagnostic Tool for All Cars Since 1996	This FOXWELL NT201 is perfect for car and truck owners who want to read and clear fault codes fast and see live data from the engine. It’s great for DIYers and anyone who wants a simple one-key emissions test and to save on mechanic visits.	View on Amazon (paid link)
MOTOPOWER MP69040 Car OBD2 Scanner Check Engine Fault Code Reader Diagnostic Scan Tool, Black	This OBD2 scanner is perfect for car owners who want to fix engine faults themselves without going to a shop. It’s also great for DIY users and auto pros who need quick, accurate tools to check cars and pass smog tests.	View on Amazon (paid link)
Autel Professional OBD2 Scanner AL319 Code Reader, Enhanced Check and Reset Engine Fault Code, Live Data, Freeze Frame, CAN Car Diagnostic Scan Tools for All OBDII Vehicles After 1996, 2025 Upgraded	This tool is perfect for DIYers and everyday car owners who want fast, simple engine checks. With the AL319 scanner, you can read DTCs, view live data, and turn off the CEL yourself.	View on Amazon (paid link)
ZMOON ZM201 Professional OBD2 Scanner Diagnostic Tool, Enhanced Check Engine Code Reader with Reset OBDII/EOBD Car Diagnostic Scan Tools for All Vehicles After 1996, 2025 Upgraded	This professional OBD2 scanner is perfect for car owners who like to fix car issues on their own. It suits DIY fans and amateur mechanics who need a simple tool to check and clear codes without going to a shop.	View on Amazon (paid link)
BluSon YM319 OBD2 Scanner Diagnostic Tool with Battery Tester, Check Engine Fault Code Reader with Live Data, Cloud Printing, DTC Lookup, Freeze Frame, Scan Tool for All OBDII Protocol Cars Since 1996	The BluSon YM319 OBD2 scanner is perfect for car owners who want to fix their own engine problems. It’s also a great gift for friends or family who love cars.	View on Amazon (paid link)

Detailed Reviews

Looking for the best fault code reader? We tested the top 10 models to help you choose. Find the perfect scanner for your car with our expert guide.

1. ANCEL AD310 Classic Enhanced Universal OBD II Scanner Car Engine Fault Code Reader CAN Diagnostic Scan Tool, Read and Clear Error Codes for 1996 or Newer OBD2 Protocol Vehicle (Black)

ANCEL AD310 Classic Enhanced Universal OBD II Scanner Car Engine Fault Code Reader CAN Diagnostic Scan Tool, Read and Clear Error Codes for 1996 or Newer OBD2 Protocol Vehicle (Black)

The ANCEL AD310 is a compact OBD II scanner. It reads and clears engine fault codes. Works on 1996 and newer vehicles.

This tool is fast and easy to use. It is compact and portable.

Pros	Cons
Clears trouble codes quickly after repairs. Sturdy design with compact size for easy carrying. Accurate and fast results in just seconds. Works with 1996+ vehicles and all OBD2 protocols. Portable tool for home or travel use.	Limited to emission faults only. Won’t work with OBDI vehicles. Can’t diagnose non-emission issues.

Perfect For:

This scanner is perfect for anyone who wants to check their car’s engine. It’s easy to use and can help you find problems quickly.

Ready to Purchase?

View Price on Amazon (paid link)

2. MOTOPOWER MP69033 Car OBD2 Scanner Code Reader Engine Fault Scanner CAN Diagnostic Scan Tool for All OBD II Protocol Cars Since 1996, Yellow

The MOTOPOWER MP69033 Car OBD2 Scanner is a helpful tool for your car. It helps you understand what is going on with your car’s engine.

This scanner works with many cars made since 1996. It has a clear screen and is easy to use. You can quickly read and clear codes.

It also shows live data while you drive. The scanner gets power from your car. This is a very useful tool to have.

Pros	Cons
Power from the car—no extra battery needed. Reads and clears codes quickly. 9 protocols cover most cars. 2.8-inch LCD display with backlight. Compact design with long cable.	ABS/Airbag not supported; only OBDII codes. Small 2.8-inch screen may be hard to read. Requires engine running for live data.

Perfect For:

This car scanner is perfect for car owners. It helps you find engine problems in your car.

Ready to Purchase?

View Price on Amazon (paid link)

3. VDIAGTOOL VD10 OBD2 Scanner Code Reader Car Diagnostic Tool Engine Fault Code Reader for Turn Off CEL with Freeze Frame/I/M Readiness for All OBDII Protocol Cars, OBD2 Scanner Diagnostic Tool

VDIAGTOOL VD10 OBD2 Scanner Code Reader Car Diagnostic Tool Engine Fault Code Reader for Turn Off CEL with Freeze Frame/I/M Readiness for All OBDII Protocol Cars, OBD2 Scanner Diagnostic Tool

Meet the VDIAGTOOL VD10 car code reader. It helps DIYers fix problems fast. Plug it into the OBDII port.

It reads and clears codes. It shows live data and freeze frame.

Pros	Cons
Easy tool for do-it-yourself car fixes. Read and clear fault codes quickly. Check engine health in seconds. Works with most cars since 1996. Free updates and 3-year warranty.	Screen is small; may be hard to read for some. Limited functions compared to pricier models. No battery; needs car power to work.

Perfect For:

Tired of mysterious “check engine” lights? The VDIAGTOOL VD10 is perfect for DIY car owners and hobbyists. It makes fixing your car easy!

Ready to Purchase?

View Price on Amazon (paid link)

4. ANCEL AD410 Enhanced OBD2 Scanner, Vehicle Code Reader for Check Engine Light, Automotive OBD II Scanner Fault Diagnosis, OBDII Scan Tool for All OBDII Cars 1996+, Black/Yellow

ANCEL AD410 Enhanced OBD2 Scanner, Vehicle Code Reader for Check Engine Light, Automotive OBD II Scanner Fault Diagnosis, OBDII Scan Tool for All OBDII Cars 1996+, Black/Yellow

Is your car’s check engine light on? The ANCEL AD410 can help diagnose the problem. It’s a vehicle code reader that’s easy to use. Get the answers you need quickly!

This OBD2 scanner works on most cars from 1996 and newer. It reads and clears fault codes with ease. See what’s wrong before you pay for repairs.

The ANCEL AD410 has a clear color screen. It helps you save time and money.

Pros	Cons
Broad compatibility: Works with nearly all cars, 1996 and newer! Quickly finds problems: Reads & clears fault codes fast. Easy to understand: See results clearly on the big screen. Simple to use: Just plug it in and go. Trusted brand: ANCEL’s quality & support you can rely on.	Limited to engine fault codes, no support for brakes or airbags Requires vehicle to have OBDII port; not compatible with all cars No reset function for fault codes, only clears stored codes

Perfect For:

The ANCEL AD410 OBD2 Scanner is perfect for car owners who want to check and fix engine problems on their own without taking the truck to a shop every time. It also works great for beginners and people with cars made in the US, Europe, or Asia from 1996 or newer, as it supports many languages and no extra power.

Ready to Purchase?

View Price on Amazon (paid link)

5. Autel OBD2 Scanner MS309 Universal Car Engine Fault Code Reader, Check Engine Light and Emission Monitor Status, OBDII CAN Diagnostic Scan Tool

Autel OBD2 Scanner MS309 Universal Car Engine Fault Code Reader, Check Engine Light and Emission Monitor Status, OBDII CAN Diagnostic Scan Tool

The Autel MS309 is a simple OBD2 scanner for cars made after 1996. It plugs in easily to check and clear engine fault codes without much setup. This tool shows code meanings on screen, so you save time and avoid searching online. It helps turn off the check engine light for minor issues like a loose gas cap.
The scanner grabs freeze frame data and vehicle info like the VIN number. This makes it handy for checking used cars before buying. It also checks readiness monitors to ensure your car passes the smog test. With 12 months of warranty and lifetime support, it’s a reliable choice for DIY car owners.
It’s plug-and-play. No registration needed. It clears codes quickly.

Pros	Cons
Easy to use: Just plug it in and go! Quickly find why the check engine light is on. Pass smog check with the I/M Readiness feature. Saves time: DTC definitions show on the screen! Get vehicle info like VIN to check ECU match.	Not compatible with FCA vehicles after 2017. No TPMS or advanced features. Basic OBDII only.

Perfect For:

The Autel OBD2 Scanner MS309 is perfect for DIY car owners and drivers who want to check engine lights, clear fault codes, and get vehicle info without going to a shop. It’s also great for those who need to prepare for smog checks and save time and money on basic car diagnostics.

Ready to Purchase?

View Price on Amazon (paid link)

6. FOXWELL NT201 OBD2 Scanner Code Reader for Cars and Trucks – Reset Check Engine Light, Read and Clear Fault Codes, Live Data Diagnostic Tool for All Cars Since 1996

FOXWELL NT201 OBD2 Scanner Code Reader for Cars and Trucks - Reset Check Engine Light, Read and Clear Fault Codes, Live Data Diagnostic Tool for All Cars Since 1996

The FOXWELL NT201 is a powerful OBD2 scanner that quickly reads and clears fault codes to turn off the check engine light. It supports cars, trucks, SUVs, and more from 1996 onward with easy plug-and-play use.

This tool offers live data streams, emissions tests, and a built-in code library for accurate diagnosis. No subscriptions mean lifetime updates at no extra cost. Contact us to check vehicle compatibility or for help with issues.

Pros	Cons
Quickly reads and clears fault codes to fix check engine issues. Shows live data like RPM for accurate engine checks. Easy emissions test with color lights for guidance. Works with cars from 1996 onward, no extra fees. Color screen and free updates make it simple to use.	Doesn’t support all vehicle systems. Limited to emission-related fault codes only. No reset functions are available.

Perfect For:

This FOXWELL NT201 is perfect for car and truck owners who want to read and clear fault codes fast and see live data from the engine. It’s great for DIYers and anyone who wants a simple one-key emissions test and to save on mechanic visits.

Ready to Purchase?

View Price on Amazon (paid link)

7. MOTOPOWER MP69040 Car OBD2 Scanner Check Engine Fault Code Reader Diagnostic Scan Tool, Black

The MP69040 reads and clears codes quickly. It shows live data on a 2.8-inch TFT color screen. It is easy to use at home or in a shop.

It has a huge database with over 100,000 DTCs. It can read hidden codes and many brand codes. It supports all OBDII protocols for cars, trucks, and SUVs, not for new energy or hybrid vehicles.

Real-time data is shown in text and graphs. Get lifetime free updates and cloud print reports.

Pros	Cons
Full OBD functions for quick car checks. Huge DTC database of 100,000+ codes. Real-time data with easy graphs. Lifetime free updates from MOTOPOWER. One-click I/M readiness and tests.	Not compatible with new energy vehicles. Needs compatibility check before purchase. Windows-only updates; no Mac support.

Perfect For:

This OBD2 scanner is perfect for car owners who want to fix engine faults themselves without going to a shop. It’s also great for DIY users and auto pros who need quick, accurate tools to check cars and pass smog tests.

Ready to Purchase?

View Price on Amazon (paid link)

8. Autel Professional OBD2 Scanner AL319 Code Reader, Enhanced Check and Reset Engine Fault Code, Live Data, Freeze Frame, CAN Car Diagnostic Scan Tools for All OBDII Vehicles After 1996, 2025 Upgraded

Autel Professional OBD2 Scanner AL319 Code Reader, Enhanced Check and Reset Engine Fault Code, Live Data, Freeze Frame, CAN Car Diagnostic Scan Tools for All OBDII Vehicles After 1996, 2025 Upgraded

The Autel AL319 is a smart OBD2 scanner that reads engine fault codes fast. It shows live data and freeze frame to fix the check engine light quickly. This tool helps avoid costly repairs by spotting problems early.

It works with many cars made after 1996 like Toyota and Honda. The color screen and easy menus make it simple for anyone to use.

Get a 12-month warranty and free updates forever. Contact support anytime for help with this reliable scanner.

Pros	Cons
Turns off that annoying Check Engine Light fast! Works on most cars made after 1996. Super easy to use, even for beginners. See car data live on its color screen. Free updates and a full year warranty.	Limited for newer cars; may miss latest features. Power from car; no standalone unit. Basic diagnostics; may miss deeper faults.

Perfect For:

This tool is perfect for DIYers and everyday car owners who want fast, simple engine checks. With the AL319 scanner, you can read DTCs, view live data, and turn off the CEL yourself.

Ready to Purchase?

View Price on Amazon (paid link)

9. ZMOON ZM201 Professional OBD2 Scanner Diagnostic Tool, Enhanced Check Engine Code Reader with Reset OBDII/EOBD Car Diagnostic Scan Tools for All Vehicles After 1996, 2025 Upgraded

ZMOON ZM201 Professional OBD2 Scanner Diagnostic Tool, Enhanced Check Engine Code Reader with Reset OBDII/EOBD Car Diagnostic Scan Tools for All Vehicles After 1996, 2025 Upgraded

Is your “check engine” light on? Get the ZMOON ZM201! It reads and clears codes fast. Plus, it works on most cars made after 1996.

This tool helps you save money on repairs. It’s easy to use and updates for life!

Pros	Cons
Full OBDII modes for complete car diagnostics. Find the problem quickly with 35,901 DTCs. Free lifetime updates save you money. Compatible with almost all OBD2 vehicles. Easier use with shortcut buttons and beeps.	Not compatible with all vehicle types. Might lack advanced features of high-end scanners.

Perfect For:

This professional OBD2 scanner is perfect for car owners who like to fix car issues on their own. It suits DIY fans and amateur mechanics who need a simple tool to check and clear codes without going to a shop.

Ready to Purchase?

View Price on Amazon (paid link)

10. BluSon YM319 OBD2 Scanner Diagnostic Tool with Battery Tester, Check Engine Fault Code Reader with Live Data, Cloud Printing, DTC Lookup, Freeze Frame, Scan Tool for All OBDII Protocol Cars Since 1996

BluSon YM319 OBD2 Scanner Diagnostic Tool with Battery Tester, Check Engine Fault Code Reader with Live Data, Cloud Printing, DTC Lookup, Freeze Frame, Scan Tool for All OBDII Protocol Cars Since 1996

BluSon YM319 is your car’s doctor. It reads and clears engine fault codes fast. It shows freeze frame data and I/M readiness.

Just plug in and go—no batteries needed. It includes a battery health check, live data, and cloud printing for reports.

Pros	Cons
“Reads and clears codes quickly, saves time.” “One-click battery check keeps cars safe.” “Live data graphs help spot faults.” “Cloud printing shares reports, no printer needed.” “Works with most cars and many languages.”	Doesn’t cover all car systems. Limited to engine faults only. No support for some advanced features.

Perfect For:

The BluSon YM319 OBD2 scanner is perfect for car owners who want to fix their own engine problems. It’s also a great gift for friends or family who love cars.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Your car’s light is on? You need answers fast.

Real car owners share these tools helped them fix problems and save money.

Here’s what to look for to pick the best fault code reader for you:

Compatibility: Does it work with your car? Most scanners support cars made since 1996. Make sure the scanner supports your car’s make and model.
Features: What can it do? Basic ones read and clear codes. Others show live data. Live data helps understand in real-time what is going on with your car.
Ease of Use: Is it easy to understand? Look for a clear screen. Simple menus are key. You need to be able to quickly understand the code.
Live Data: Check engine info now. Live data offers a real-time look. It tracks engine performance as you drive.
Freeze Frame: See what happened before the light came on. Freeze frame data gives a snapshot. It captures engine conditions when a fault happens.
Portability: Is it small and easy to carry around? A compact size helps for on-the-go use. You never know when you will need it!
Updates: Can it be updated? Free updates keep the tool current. Some scanners offer lifetime updates.
Durability: A quality build ensures longevity. A well-made code reader saves money in the long run by reliably diagnosing vehicle issues.
Warranty and Support: Check if it has a warranty? Reliable support provides assistance when needed.