If you run into OBD "not ready" condition (like we did on our 2004 Toyota Camry), this Google vlog is helpful: http://obdnotready.blogspot.com/

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AutelMS300 OBD2 Scanner Code Reader, Turn Off Check Engine Light, Read & Erase Fault Codes, Check Emission Monitor Status CAN Diagnostic Scan Tool

AutelMS300 OBD2 Scanner Code Reader, Turn Off Check Engine Light, Read & Erase Fault Codes, Check Emission Monitor Status CAN Diagnostic Scan Tool

Q: can it reset engine light

Would not reset check engine light on my 1998 Toyota Camry "Erase Failed!" error code. Scanned code correctly.

Q: does it work on a 2001 dodge ram

Yes. Will work on all vehicles sold in the U.S. since 1996. All of these vehicles have a female plug, usually underneath the steering wheel. Just plug scanner in this plug, turn ignition to ON, turn on scanner, read codes, read manual. Great for erasing the check engine light if code shows no mechanical problem. I have two of them, because one seems to be on loan all of the time. Still worth the investment.

Q: I have an airbag warning indication... is the MS300 applicable to airbag diagnostics? Thanx!

You need OBDII WITH SRS to see airbag codes. Airbag codes are not part of the OBDII requirement so it is an additional module and those scanners cost more. (you can add ABS and Transmission codes to the list of modules you may have to add) You wont find any handhelds that do all that for $20.

2.0/5

Product ID: 278882761

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Details

Brand
Autel
Power source
Powered by car
Product dimensions
7.4L x 2.1W x
Operating system
Android 4.4
Screen size
2.4

⚡No batteries needed, powered by vehicle

🔧7000+ DTC codes cataloged

🚗Compatible with 1996+ OBD2 CAN vehicles

Frequently Bought Together

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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Description

🔍 Decode your car’s secrets before they decode your wallet!

INSTANT ENGINE INSIGHT - Read and erase check engine codes with just 2 buttons—simplicity meets power.
COST SAVING DIAGNOSTICS - Identify issues before costly repairs and verify fixes post-service.
PLUG PLAY CONVENIENCE - No laptop or batteries required—just plug into your vehicle’s OBD2 port and go.
UNIVERSAL COMPATIBILITY - Works seamlessly with domestic, Asian, and European cars from 1996 onward.
COMPREHENSIVE VEHICLE DATA - Access VIN, emission monitor status, and readiness checks for full transparency.

The AutelMS300 OBD2 Scanner is a lightweight, vehicle-powered diagnostic tool compatible with over 7000 generic and manufacturer-specific fault codes. Designed for 1996 and newer OBD2/CAN vehicles, it offers quick read and erase functions, emission monitor checks, and VIN retrieval—all without batteries or extra devices, making it an essential gadget for proactive car owners and savvy professionals.

Specifications

Manufacturer	MaxiScan
Brand	Autel
Model	Autel MaxiScan MS300
Product Dimensions	16 x 5 x 23 cm; 220 g
Batteries	Lithium Polymer batteries required.
Item model number	MS300
Manufacturer Part Number	MS300
Special Features	Follow the correct order: Engine off >> Plug in the scanner >> Turn ignition on, Compatible with domestic, Asian and European vehicles, 1996 and newer ; Cars compatible with OBDII protocol,such as Mazda,Kia,Honda,Toyota,Nissan,Scion, Subaru,Hyundai,Honda,Acura,Infiniti, Mitsubishi,Isuzu,Daihatsu,Mahindra, Toyota,Hyundai,Lexus,Scion,Kia,Proton, Perodua,Abarth,Alfa,Bmw,Porsche,Benz, Audi,Mini,Peugeot,VW,Fiat,Lexus,Renault, LandRover,Skoda, Volvo,Seat,Sprinter, Jaguar,Lancia,Smart, Sprinter,Sprinter, Citroen,Dodge,Ford,Jeep,Chrysler,GM,Opel., Autel MaxiScan MS300 supports: EOBD/CAN/OBD2 protocals, Turn off check engine light(MIL), Read/Erase codes(DTCs), Reset OBD2 monitor status, Retrieve I/M Readiness Status, View VIN (Vehicle Identification Number), Rescan Data, Powered by vehicle, (Wired)No batteries required, 16 PIN
Voltage	12 Volts
Item Weight	220 g

Have a Question? See What Others Asked

toyota

can it reset engine light

does it work on a 2001 dodge ram

I have an airbag warning indication... is the MS300 applicable to airbag diagnostics? Thanx!

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12 interest-free installments with tabby

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TrustScore 4.5 | 7,300+ reviews

Khalid Z.

Great experience from order to delivery. Highly recommended!

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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