Audi A8 This full sized Audi A8 sedan offers interior luxury and spaciousness comparable to any car in the full sized luxury sedan class

MMI 3G problems

Old 05-27-2017, 05:57 PM
1st Gear
Thread Starter
Join Date: Jul 2004
Posts: 8
Default MMI 3G problems

Hi, I have a 2010 A8 4.2 TDi 4H (D4) version.

It has MMI 3G standard. It has the original maps and buggy firmware that came with the car. I took it today to someone to upgrade the entire firmware and maps, but it turned out that he couldn't do it. When he plugged in he found that the MMI unit was one of a very few that were on early vehicles. After a relatively short time, these were changed from 4H0 035 666D to 4H0 035 666F. These units had chip changes inside and can be updated to the very latest spec. However, the very early ones will not take the updates and when he tried, it came up with the warning that the unit was unable to update and if he continued, some items would be corrupted. Needless to say he didn't do it.

However, on the way home, the Nav got lost, it could no longer tell where it was. It is picking up the Satellites, but it doesn't know where it is. The place it shows it is is no where near where it really is. I've tried the usual reset. Ignition on, the off etc etc. However none of this makes any difference.

My question is therefore:

1). Does anyone know of any kind of hard reset that can be done on the system?

2). Can a 4H0 035 666D be upgraded to a much later 4H0 035 666 (Q for instance). Although I realise that the security lockout will have to be removed by the local Audi garage.

3). Can a 4H0 035 666D be upgraded to an MMI 4H0 035 670 (various letters) which has the sim card slot as well as many extras.

Any help would be very much appreciated.

Cheers chaps.
Related Topics
Thread Starter
Last Post
04-19-2014 01:59 PM
Audi A3
10-26-2011 03:49 PM
B6 Models
07-13-2010 12:40 AM
Audi A4
09-16-2007 08:14 PM
General Tech
06-14-2005 10:58 PM

Thread Tools
Search this Thread
Quick Reply: MMI 3G problems

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

© 2019 MH Sub I, LLC dba Internet Brands

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to and affiliated sites.