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Autel MS300 OBD2 Scanner Code Reader, Turn Off Check Engine Light, Read & Erase Fault Codes, Check Emission Monitor Status CAN Diagnostic Scan Tool

4.4 4.4 out of 5 stars 19,576 ratings

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Purchase options and add-ons

Brand Autel
Product Dimensions 2.9"L x 0.83"W x 4.4"H
Operating System Android 4.4
Display resolution 128x64
Power Source
Powered by OBD2 cable plug into car OBD2 socket
Screen Size
2.4 Inches

About this item

  • 【For Car DIYers And Beginners】This plug-and-play Autel scanner MS300 can pay for itself in the first use. It communicates with vehicles through standard 16-PIN OBD2 cable and it’s powered by vehicle directly (no battery needed). It capable of scanning vehicle Diagnostic Trouble Codes (DTCs) in seconds to pinpoint emission-related issues. The little guy should be a member of your toolbox, always in your car and ready to be taken out and used.
  • 【Read Codes & Clear Codes In Seconds】Getting diagnostic codes(DTCs) should be the start of all repairs if you don't want to be ripped off. You can use MS300 to read the codes in seconds and look them up to quickly locate the problem areas, then determine if you can do the repair yourself or go to a mechanic, and clear the codes to get everything back to normal.
  • 【Turn Off Check Engine Light】The check engine light is always annoying you, most of the time because of a little thing, isn't it? Maybe it's just a gas cap that's not tightened but you paid hundreds of dollars for it? With Autel MS300 scan tool, you can read code to quickly find out why the check engine light is on and reset it.
  • 【Help You Pass Annual Smog Check】To pass annual smog check, you are better to make the OBD II Readiness Monitors on your car “Ready”. You don’t want to pay for a failed smoke check. MS300 OBD2 scanner can retrieve I/M Readiness status to check the monitors like misfire, fuel system, catalyst, O2 sensors, EVAP, etc, to help your car ready pass the annual smog check.
  • 【Works On 99% Vehicles & No-Worry Purchase】Autel MaxiScan MS300 car code reader supports all OBD2 protocols: KWP2000, ISO2000, ISO9141, J1850 VPW, J1850 PWM and CAN. It is compatible with 99% OBDII-Compliant vehicles, passenger cars or light trucks. For OBD2 cars, usually, post 1996 for US market, post 2006 for EU market and post 2009 for Asian market. It comes with a 12-month warranty and free lifetime technical support. If you need any technical support, please feel free to contact us.
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Autel MS300 OBD2 Scanner Code Reader, Turn Off Check Engine Light, Read & Erase Fault Codes, Check Emission Monitor Status CAN Diagnostic Scan Tool
Autel MS300 OBD2 Scanner Code Reader, Turn Off Check Engine Light, Read & Erase Fault Codes, Check Emission Monitor Status CAN Diagnostic Scan Tool
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Price$19.99$19.99$21.99-30% $20.99
List:$29.99
$15.90$22.99
Delivery
Get it as soon as Monday, Mar 18
Get it as soon as Monday, Mar 18
Get it as soon as Monday, Mar 18
Get it as soon as Monday, Mar 18
Get it as soon as Monday, Mar 18
Get it as soon as Monday, Mar 18
Customer Ratings
Easy to use
4.4
4.3
5.0
4.2
4.2
User interface
4.0
4.6
5.0
Tech Support
4.0
5.0
3.8
Value for money
4.0
3.9
3.8
Sold By
Autel Direct
Ace Deal INC.
BYJZ
AUCELI Auto
Akface
BELOMI
power source
Powered by OBD2 cable plug into car OBD2 socket
Corded Electric
Corded Electric
Battery Powered
Battery Powered
display size
2.4 inches
3.5 inches
1.8 inches
128 inches
2.4 inches
native resolution
128x64
160x128
128x64

Important information

Legal Disclaimer

Screen locked in "Linking" Issue Troubleshooting: Follow the correct order of operation: Step1: Turn engine off. Step 2: Plug in the scanner Step 3: Turn ignition on

To report an issue with this product or seller, click here.

Top Brand: Autel

Highly Rated
4.5/5 star rating from 100K+ customer ratings
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50K+ orders for this brand in past 3 months
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From the brand


From the manufacturer

Autel MaxiScan MS300 OBD2 Scanner Code Reader Turn Off Check Engine Light Smog Check

Autel MaxiScan MS300 OBD2 Scanner Check Engine Code Reader

AUTEL STORY

Autel is one of the major manufacturers of professional diagnostic tools, equipment and accessories in the automotive aftermarket. Autel, with automotive experts of years of experiences in the industry, has been committed to creating maximum value to customer worldwide by providing quality-assured, user-friendly, cost-effective and innovative products since its foundation more than 15 years ago.

Autel MaxiScan MS300

The MaxiScan MS300 code reader supports all OBDII protocols, including KWP2000, ISO2000, ISO9141, J1850 VPW, J1850 PWM and CAN. Though small in size, the MS300 is able to retrieve the same emission related information as large expensive scanners. MS300 works with most post 1996 vehicles that are OBDII compliant (including CAN).

Autel MS300 OBDII Scanner Auto Diagnostic Scanner Turn Off Check Engine Light

Turn off Check Engine Light

Autel MaxiScan MS300 OBD2 scanner can access PCM module of OBD2 compliant vehicles and read and clear diagnostic trouble codes(DTCs), make sure your engine is in good condition, and turn off Check Engine Light when proper repair is done according to the DTC displayed on the back-lit screen.

Autel MS300 Engine Analyzer Read Clear Codes

Read, Clear Diagnostic Trouble Codes (DTC)

Autel MaxiScan MS300 OBD2 Scanner Code Reader can read and retrieve troubles codes Including generic codes, pending codes and manufacturer specific codes on most domestic vehicles(sedans, SUVs and light trucks) post 1996, Europe-based vehicles post 2002 and Asian Vehicles.

Locked in "Linking" Troubleshooting:

Follow the correct order: Step 1. Engine off- Step 2. Plug it in- Step 3. Turn ignition on

"No menu other than read and clear codes" Troubleshooting

After reading codes, it will display the codes or "DTC 00, I/M YES" on the screen. Then it will switch to Menu: 1. DTC automatically. Hit "Scroll" button to scroll down the menu. You shall find 2.ERASE, 3. I/M, 4. VIN, 5. RESCAN. If you have issue finding the menu, please let us know directly.

MS300 car diagnostic scanner engine scan tool readiness status smog check

Autel MaxiScan MS300 auto scan tool comprehensive vehicle coverage

MS300 automotive diagnostic scan tool retrieve vin number

Smog Check

The MS300 Check Engine Code Reader retrieves I/M readiness status to help pass annual smog check.

Comprehensive Vehicle Coverage

Works with all 1996 and newer sedans, SUVs & light trucks that are OBDII compliant, support all OBD2 protocols including the CAN, VPW, PWM, ISO and KWP 2000 protocols.

Note: MS300 Code Reader does NOT support JOBD, KOBD or any other protocols that are not OBDII.

Retrieve VIN Number

The View VIN function of MS300 OBD2 Code Reader allows you to retrieve the Vehicle Identification No. on 2002 and newer vehicles that support Mode 9.

Autel MS300 Check Engine Light Code Reader Easy to Use

MS300 OBD Code Reader Safe and Durable

Autel MS300 auto scanner code reader package includes

Easy to Use

The MS300 OBD2 scanner comes with two-button design and back-lit 2-line LCD display, with integrated 16-pin OBDII plug, super easy to use and read. Please follow the correct order to use the scanner:

1. Turn engine off

2. Plug it into the DLC port of the vehicle.

3. Turn ignition on

4. Use the "enter" button to confirm and escape and the "scroll" button to scroll.

Safe & Durable

The built-to-last stand-alone OBDII scanner communicates with your vehicle in a safe way. With strong cable, it’s small but built to last.

Package Includes:

1 X Autel MaxiScan MS300 Main Unit

1 X 16 PIN Standard OBD2 Cable

Note: You can download the User Manual in PDF on Autel website or get one from us directly.

Product Description

Retrieve generic and manufacturer specific Diagnostic Trouble Codes (DTC), includes definitions lookup software on CD and displays DTC definitions on screen.

Product information

Technical Details

Additional Information

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Product Warranty: For warranty information about this product, please click here

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Autel MS300 OBD2 Scanner Code Reader, Turn Off Check Engine Light, Read & Erase Fault Codes, Check Emission Monitor Status CAN Diagnostic Scan Tool


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Customer reviews

4.4 out of 5 stars
4.4 out of 5
19,576 global ratings

Customers say

Customers like the clarity, quality and value of the auto accessory. They mention that it really reads the code, is a practical choice for car owners and is well worth the cost. They also appreciate the appearance, and performance. That said, opinions are mixed on instructions, and engine light.

AI-generated from the text of customer reviews

2,444 customers mention1,949 positive495 negative

Customers like the performance of the auto accessory. They say it works perfectly and as intended, has no problems, and works right out of the box. Some say that it brings a smile to their face and is a pretty neat piece of automotive troubleshooting technology.

"...quick diagnosis and humorous error code interpretations, it brings a smile to your face even in the midst of vehicular drama...." Read more

"...This thing is great, even though these can be borrowed for free at auto parts stores to pull codes, it is more convenient to do it yourself in your..." Read more

"...the lack of advanced features and update options, it serves its primary purpose effectively and represents a cost-effective solution for vehicle..." Read more

"...it was such a a great price but we have used it multiple times and it works great" Read more

1,688 customers mention1,646 positive42 negative

Customers are satisfied with the value of the auto accessory. They mention that it is well worth the cost, saves them money and time, and is essential for used car owners. They also appreciate the ease of use and the fact that it works well.

"...Also I am pretty rough with this thing because it was so cheap and I wouldn't care if I had to replace and it has continued to work...." Read more

"...Its affordability, ease of use, and quick diagnostics make it a practical choice for car owners who want to perform basic engine diagnostics without..." Read more

"I was skeptical when I ordered it because it was such a a great price but we have used it multiple times and it works great" Read more

"It’s not anything fancy but it’s hardly and cheap enough to leave laying in the car seat" Read more

1,607 customers mention1,549 positive58 negative

Customers find the auto scanner easy to use. They mention that the CD-ROM loaded a very simple but functioning program, and it works fine. Some find the scanner to be extremely useful when looking at pre-owned cars, saying that it auto detects the car's make and model.

"...Plug-and-Play Hilarity: Using the Autel MS300 is as simple as putting on your seatbelt. Just plug it into your car's OBD2 port, and voilà!..." Read more

"...i mean what else could you ask for. its so simple. plug in, turn key, it auto detects the car's programming and if there is an active code will..." Read more

"...Its affordability, ease of use, and quick diagnostics make it a practical choice for car owners who want to perform basic engine diagnostics without..." Read more

"Scanner worked well. It was basic. Easy to use." Read more

1,105 customers mention779 positive326 negative

Customers like the clarity of the auto accessory. For example, they say it really reads the code and can clear the engine. Some customers also say it's a good value and a very basic code reader, but it'd still be a practical choice for their car. Customers also appreciate the ease of use and quick diagnostics, which makes it a useful tool for car owners.

"...With its quick diagnosis and humorous error code interpretations, it brings a smile to your face even in the midst of vehicular drama...." Read more

"...Its affordability, ease of use, and quick diagnostics make it a practical choice for car owners who want to perform basic engine diagnostics without..." Read more

"...Like I mentioned earlier, this unit will not read ABS (Anti-lock Brake System) or SRS (Supplemental Restraint System) codes...." Read more

"It's not the fancy kind your mechanic uses. It detects codes, it displays the codes, and it lets you clear the codes once you've done your repairs." Read more

1,010 customers mention805 positive205 negative

Customers like the quality of the auto accessory. They mention it's a simple, but valuable tool to have if you drive every day. The quick diagnostics make it a practical choice for car owners who want to perform basic, reliable, and reliable code reading. It rides smooth and doesn't feel flimsy, making it able to read codes on vehicles in a reasonable price range.

"...ease of use, and quick diagnostics make it a practical choice for car owners who want to perform basic engine diagnostics without the need for..." Read more

"...Easy to use and seems pretty durable. Have had no issues so I can't comment on the tech support." Read more

"Good quality and works very well" Read more

"Great purchase, units works well and does the reset." Read more

254 customers mention228 positive26 negative

Customers like the appearance of the auto accessory. They say it's a pretty neat gadget, with a minimal design and operation. They like the big and bold contrast and the contrast is just right. They are happy with the scanner and are pleased with the product.

"Great job product" Read more

"...It's simple (sport version) and not too complicated and fancy (like my JKU we gsve to our son who still drives it) i like the cloth seats, roll up..." Read more

"...It is a simple, but valuable tool to have if you drive every day and depend on your car...." Read more

"...this is a simple, affordable, no bs type of tool that gives the user what he/she is searching for. FOR THOSE HAVING TROUBLE, TRY DOING..." Read more

274 customers mention171 positive103 negative

Customers are mixed about the instructions provided with the auto accessory. Some mention that it comes with an acceptable written manual that tells you how to operate it and even includes most of the codes. However, others say that the main concern was that no CD with instructions and error codes came with the product. The manual does not include codes specific to their 1998 Nissan Maxima, so they had to go to a local auto store to get the codes they need. The CD does not really help and does not provide any information on how to use the product, nor does it include any instructions on how the product works. Overall, the product has mixed reviews and opinions are mixed.

"...But, the tool also gives more info on the car than just the problem codes...." Read more

"...The main concern was that no CD with instructions and error codes came with the OBDII reader as had been claimed on the product page at the time..." Read more

"...Instructions are straight forward. Plenty of documentation and easy to understand. Software included for code analysis. Seems to be up to date...." Read more

"...It also can tell you everything you need to know when you're looking at buying a used car...." Read more

243 customers mention168 positive75 negative

Customers have mixed opinions about the engine light. Some say it allows them to clear the check engine light after making whatever repairs they need to, while others say that the check would still come on. The display is backlit, and it detects the codes fine. However, some customers say that there is no screen backlight, and the check light would still be flashing.

"...The unit is very well backlighted, but can not be read from an angle...." Read more

"...Why? Because it works.Plug, scanned, erased and light turns off. No more going to the shop and paying over $180.00 per visit." Read more

"...No Screen Backlight: The absence of a screen backlight can be a drawback in low-light conditions, as it may make the display difficult to read...." Read more

"...the scan button, and, yep, same code BUT, this unit allows you to re-set the code/light - which I did...." Read more

Used this for years and still going strong!
5 Stars
Used this for years and still going strong!
Buckle up, fellow car enthusiasts and amateur mechanics, because I'm about to introduce you to the Autel MS300 OBD2 Scanner Code Reader—a device that makes diagnosing your car troubles as entertaining as a stand-up comedy show!The Jovial Diagnosis: Picture this: You're grappling with the mysteries of your car's strange noises and flickering dashboard lights. Enter the Autel MS300, armed with the charm of a witty comedian. It deciphers those cryptic error codes and communicates the issues in a way that feels like your car is finally confessing its woes. Forget dry technical jargon; this scanner speaks in car language, cracking diagnostic jokes that even your engine will chuckle at!Comedy Timing: Ever seen a diagnostic tool with impeccable timing? Well, this one's got it! It detects problems faster than a Formula 1 pit stop crew and presents them with comedic flair. It's like the punchline to your car troubles, making you chuckle amidst the chaos of engine hiccups and transmission quirks.Plug-and-Play Hilarity: Using the Autel MS300 is as simple as putting on your seatbelt. Just plug it into your car's OBD2 port, and voilà! It's like a comedian taking the stage—ready to entertain you with a performance that unravels your car's hidden issues. No complicated setups or tech wizardry required.Laughing Gas for Your Car Troubles: When faced with car problems, stress levels can skyrocket faster than a speedometer needle. But fear not! This code reader infuses a dose of comedy into your troubleshooting process, turning nerve-wracking car issues into a light-hearted comedy sketch.Final Act: In conclusion, the Autel MS300 OBD2 Scanner Code Reader isn't just a diagnostic tool; it's a comedic sidekick for your automotive adventures. With its quick diagnosis and humorous error code interpretations, it brings a smile to your face even in the midst of vehicular drama. So, grab this code reader and let your car's comedy hour begin—because laughter is the best (mechanic) medicine!Whether you're a seasoned gearhead or a newbie in the world of car diagnostics, the Autel MS300 is here to decode your car's troubles with a touch of comedic brilliance. Who knew fixing your car could be this entertaining?
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Top reviews from the United States

Reviewed in the United States on November 25, 2023
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5.0 out of 5 stars Used this for years and still going strong!
Reviewed in the United States on November 25, 2023
Buckle up, fellow car enthusiasts and amateur mechanics, because I'm about to introduce you to the Autel MS300 OBD2 Scanner Code Reader—a device that makes diagnosing your car troubles as entertaining as a stand-up comedy show!

The Jovial Diagnosis: Picture this: You're grappling with the mysteries of your car's strange noises and flickering dashboard lights. Enter the Autel MS300, armed with the charm of a witty comedian. It deciphers those cryptic error codes and communicates the issues in a way that feels like your car is finally confessing its woes. Forget dry technical jargon; this scanner speaks in car language, cracking diagnostic jokes that even your engine will chuckle at!

Comedy Timing: Ever seen a diagnostic tool with impeccable timing? Well, this one's got it! It detects problems faster than a Formula 1 pit stop crew and presents them with comedic flair. It's like the punchline to your car troubles, making you chuckle amidst the chaos of engine hiccups and transmission quirks.

Plug-and-Play Hilarity: Using the Autel MS300 is as simple as putting on your seatbelt. Just plug it into your car's OBD2 port, and voilà! It's like a comedian taking the stage—ready to entertain you with a performance that unravels your car's hidden issues. No complicated setups or tech wizardry required.

Laughing Gas for Your Car Troubles: When faced with car problems, stress levels can skyrocket faster than a speedometer needle. But fear not! This code reader infuses a dose of comedy into your troubleshooting process, turning nerve-wracking car issues into a light-hearted comedy sketch.

Final Act: In conclusion, the Autel MS300 OBD2 Scanner Code Reader isn't just a diagnostic tool; it's a comedic sidekick for your automotive adventures. With its quick diagnosis and humorous error code interpretations, it brings a smile to your face even in the midst of vehicular drama. So, grab this code reader and let your car's comedy hour begin—because laughter is the best (mechanic) medicine!

Whether you're a seasoned gearhead or a newbie in the world of car diagnostics, the Autel MS300 is here to decode your car's troubles with a touch of comedic brilliance. Who knew fixing your car could be this entertaining?
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10 people found this helpful
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Reviewed in the United States on August 3, 2012
9 people found this helpful
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