Autel MaxiScan MS409 Update Fix

Have you made the mistake of installing the software update Ver 1.13 from Autel's web site on a MaxiScan MS409 OBD2/EOBD scan tool and now have a corrupted display?

Step 1: Relax.

Step 2: Click this link to save the MS409Update.zip file to a temporary folder and extract the files.

Step 3: Install the MaxiLink 1.08 program and use it to install the MS409.dag file using Program update and the AT45DB161.AUT file using DTC update into your MaxiScan MS409.

Important: Use a computer that is protected against power failures when doing the Program Update. A notebook computer with a fully charged battery installed or a desktop protected by an Uninterrupted Power System (UPS) will suffice. If the update is interrupted in progress it can render the MS409 unrecoverable.

The problem was primarily display related so once you complete the above steps your display will be back to normal and your MS409 will be fully functional.

I've just been informed that AutelTech has finally published an update package for the MS409 on their web site. I've just installed Program Update Ver. 2.00 (MS409.dag) and DTC Update Ver. 2.60 (AT45DB161.AUT) on my MS409. The display is ok and the scanner is functioning normally so this is a good update. The above link points to a zip file containing these new updates and a copy of MaxiLink ver. 1.08, which I've used with WinXP and Win7 without problems. There was a bug in the older MaxiLink version supplied with the MS409 scanner that would cause garbled text on the display when used with Win7 to install the DTC update. Version 1.08 does not have this bug. Here are update packages for the MS509/Cen-Tech 98614, the MS609 and AL519 scanners if you found this page looking for updates for these scanner models. You can also download the Update Packages from Auteltech.com.

Update:

This info was sent to me recently with a request to post it here in the hopes that it may help some of you.

The MaxiScan MS409 and the Cen-Tech 99722 are essentially the same unit so the current MS409 update should work.

"Updating the ".dag" file is intuitive. Updating the ".aut" file requires the user to press the left arrow button until the device reads "communicating with pc." The software says to hit the enter button, but that is inaccurate."

Thank you for this info, Erik. ;-)

Good Fortune to you all,

William "Spektyr" Laskorski

webmaster@spektyr.com

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Last updated on 2/24/2014