Question about Autel MaxiScan MS300 CAN Diagnostic Scan Tool for OBDII Vehicles

Open Question

Autel Maxiscan MS300 does not power on

Will not power up when I connect it to my 2001 GMC Sierra (V-6). I have connected it to a 2008 Ford Focus and a 2001 F-350 and it powers on just fine, so it is not the unit. Is there some secret to getting it to work on a GMC?

Posted by on


Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer


read the codes and then you will know,code readers are 30 bucks or so, Autel MaxiScan MS300 CAN OBD II Scan Tool

Jul 13, 2015 | 2004 Scion xB

2 Answers

I recently bought a 1997 LHS. I would like to buy an inexpensive code reader for it.

I was going to suggest the same scanner at Harbor Freight to save shipping but it seems that one at amazon would do what you need it to do and its cheaper. Good Luck.

Dec 15, 2017 | Chrysler LHS Cars & Trucks

1 Answer

How to check engine codes without odi scanner

in the USA you cant. That ended in 1995! or even before.
all 1996 cars in the USA are OBD2, it's the LAW.
the tools is $9 on fleabay
the code reader(cant scan ) can read all bad DTC errors
$20 bucks

all auto stores in usa will scan it for free, call em'
most stores rent it for free. or $5
all auto shop will scan it for free, many do.
what's the big deal, in remote Alaska village? what?

if not in the USA, then why not say so, at that is different.
each country has its own laws. on this.

Feb 16, 2014 | 1998 Toyota 4Runner

1 Answer

Spanner through car yellow light symbol on solid

Not unusual to be one of those things. Cancel the code and if it returns, then is the time to investigate as it is not a serious fault.

Jul 27, 2017 | Cars & Trucks

2 Answers

What is the car list ?

May be you can contact the customer service to ask it .

Mar 20, 2013 | MS 509 Autel MaxiScan...

1 Answer

2001 Ford Focus - radio turns on and off. Power

You either have a loose power connection, or have upgraded your stereo speakers and have not grounded them properly or they are drawing too much power and may need an amplifier

Jul 07, 2009 | 2001 Ford Focus

1 Answer

Replacing power rear view mirror unit Ford Focus 2008

Most mirrors slide up the metal button glued to the glass.

Apr 24, 2009 | 2001 Ford Focus

Not finding what you are looking for?
Autel MaxiScan MS300 CAN Diagnostic Scan Tool for OBDII Vehicles Logo

Related Topics:

69 people viewed this question

Ask a Question

Usually answered in minutes!

Top Autel Computers & Internet Experts

Les Dickinson
Les Dickinson

Level 3 Expert

18424 Answers

Doctor PC
Doctor PC

Level 3 Expert

7733 Answers

David Payne
David Payne

Level 3 Expert

14162 Answers

Are you an Autel Computer and Internet Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides