Hello , I own Audi a6 2.8 Quattro engine , Manual gearbox , 1998
Recently my Brake light start appearing on my main screen ( red big ) and also my ABS amber led small one come up - Once I can drive whole day and all is ok no problems - than I stop the car and it come back on the screen - I get resopnd that problem is with The ABS ECU fault and will need repairing , Im just looking what it is related I mean I want to check if this is a problem so Shall I go to electric garage so they can test it or is it mechanich garage - or do you think it may be related to different problem

Thanks for help

 

Sounds like a bad module. It would be consistent if it were a fuse or a wheel sensor, and those are the symptoms of a bad module. I had the same issue with a 99 Passat that had the same 2.8L and the Bosch 5.3 ABS module, same as yours.

I think eventually the tachometer will stop working as well, mine did. I had mine fixed by these guys:

http://www.modulemaster.com/en/wizard/index.php

They have good instructions for removal on the site, and it's perfectly safe to drive without the module.

Best of Luck,

--
Paul

 

Thanks Paul I will have a deeper look into it - Im driving like that for lat 3 k miles and I haven't notice any problems with brakes - but you never know ;/ - Thanks for the address

Ps. I just went using this ABS wizard , and after answering my questions it looks like I will have to check my sensors in first place, I remember I had problem with left weel , and mechanic was replacing one rubber which look like funnel bigger one with alots of lubricant in it - sorry I my english is limited with tech descriptions for car parts - but after that I went off the road and it appeard - I will go with this instructions you gave me they look very promissing

Best wishes

Emanuel

 

I rerun this wizard again to be sure and I read it more carefully

This condition indicates the ABS module is not getting power.

First check the ABS fuses. Your ABS system uses two fuses; one in the engine compartment and one in the main fuse block under the dash.

If both fuses are good, make sure there is +12V on pin 15 of the ABS module connector.

can you help me where can I find the second fuse ???? the one on the engine compartnemt

 

Maybe someone else can verify this, but I don't think there are any fuses under the hood. There may be more than one in the fusebox.

Checking pin #15 would be a good indicator of power, though.

--
Paul

 

Your ABS module has failed. This is an extremely common problem with these cars. The reason it's not getting power is not because of a fuse, it's because the internal wiring in the electronics of the unit have separated and the unit no longer has power.

I can rebuild this module for you if you are interested. send me an email: sidespar at yahoo dot com

 

You really have a manual 5spd 2.8??

 

Yep 2.8 Quattro in manual 5 I just love it - If any one will tell that A6 is to big thats cool - I was driving Nissan Micra for 5 weeks - no comment about it

 

Interesting! I thought all US specs A6 came as auto. Where did you buy yours?

 

Well probobly you right with US models - my one is UK as I live in UK - hope this will explain why