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Autel MS300 VS MS309: Basic OBD2 Scanner Code Reader Tools

Comprehensive review of Basic Scanning Tools MS300 VS MS309, choose a low price OBD2 scanner here considering features and compatibility, focusing on all the features you want to buy wisely. Car diagnostic tools make car diagnosis quick and easy.

Autel MS300

Autel MS300

4.5 star review

Autel MS300 supports all 1996 and newer cars, and light trucks that are OBD2 compliant.

Pros And Cons Of Autel MS300

  • Easy diagnostic trouble codes (DTC) look up
  • Not expensive with a backlit display
  • Clear error codes
  • Compatible with many vehicles
  • Requires a battery for power
  • Software is never updated
  • Does not support freeze frame data

The Autel MaxiScan MS300 is a low-cost diagnostic scan tool code reader for vehicles 1996 and newer.

Since it a low-cost OBDII scan tool this makes it ideal for those on a budget, just don’t expect all the extra features an expensive model would have.


Autel MS300

Autel MS309

4.5 star review

The MS309 supports all 1996 and newer cars, SUV and 12V Diesel that are OBD2 compliant except motorhome.

Pros And Cons Of Autel MS309

  • No battery required
  • Simple to use
  • Lightweight and compatible with a lot of vehicles
  • No need to search the internet for DTC’s meaning
  • The cord is short
  • Two buttons are not enough for quick navigation
  • The buttons are loud
  • Autel ms309 quickly scan and define vehicle Diagnostic Trouble Codes (DTCs) with this easy-to-use, compact code reader with the ability to view Freeze Frame Data, check I/M Readiness (Emissions) and monitor status. The MS309 is a go-to tool for quick vehicle health status.


    Q: What kind of batteries do these OBDII Scanners use?

    A: Only the Autel MS300 requires a battery, a Lithium-ion battery. 

    Q: How do I turn off the check engine light with an OBD2 Scanner?

    A: After you’ve located the problem through the scanner, you will see a “turn off check engine light” button. It is best practice to fix the problem before turning it off.

    Q: What is the MaxiScan MS300 for?

    A: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.

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