ABS 8.0 coding

**replica_rs4** · 12-10-2017 05:54 PM

Hello everybody.
Long time b5 s4 owner and just purchased a b7 s4 for an engine swap.
Since Ross tech does not provide coding for ABS 8.0 I figure I can collect a data base on my own. Please post your car year , engine , and transmission and factory wheel package size as that relates to brake type info . From all this info we should be able to build at least a partial database.

Thank you

Here is what I got so far.
X_XXX
4 IS A4

XX_XX
3 IS 3.2 V6 FSI
4 IS 2.0 TDI
5 IS 2.0 T FSI
9 IS V8

XXX_X
0 IS 345mm BRAKES S4 AND SOME TDI
2 IS A4 BRAKES FWD
7 is A4 brakes 320 mm awd

XXXX_
1 MANUAL BOX 0A3 60/40 split
2 TIPTRONIC
5 CVT
9 is manual box 02x 50/50 split

There is no login.I will keep updating as info becomes available.

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**replica_rs4** · 12-11-2017 10:23 AM

Here is mine . Coding 04901
2007 audi s4 Avant
6 Speed manual oa3
18 inch wheel with 345mm front brakes
Now let's see some 3.2 and 2.0t coding with manual and tiptronic gearbox

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**Okedokey** · 12-11-2017 02:43 PM

Why is this necessary?

**replica_rs4** · 12-11-2017 02:47 PM

When you swap brakes, engine or transmission. Modules have to be programmed accordingly. Ross tech provides coding for ABS 5.3 5.7 but not 8.0 I hope to collect partial data myself that could be used by everyone.

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**Okedokey** · 12-11-2017 03:51 PM

Cant you use long coding ? (Genuinely interested) :)

**Okedokey** · 12-11-2017 03:54 PM

Deets in sig
Coding: 0004525

**replica_rs4** · 12-11-2017 05:15 PM

What do you mean by long coding? Please post more info year , engine type, transmission .

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**Okedokey** · 12-11-2017 06:12 PM

2005.5 bgb cvt 01j

**Okedokey** · 12-11-2017 06:22 PM

I found this, you may enjoy it.

**replica_rs4** · 12-11-2017 07:27 PM

I really appreciate the effort but that covers everything but ABS 8.0 and it's the reason I made this thread

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**replica_rs4** · 12-11-2017 07:32 PM

Also there is a very good possibility your car is ABS 5.7 only some b7 cars came with ABS 8.0

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**audihur** · 12-13-2017 07:15 AM

Originally Posted by replica_rs4

When you swap brakes, engine or transmission. Modules have to be programmed accordingly. Ross tech provides coding for ABS 5.3 5.7 but not 8.0 I hope to collect partial data myself that could be used by everyone.

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So does this mean if you swap brakes like the 17z/18z BBK you have to change the coding?

**replica_rs4** · 12-13-2017 08:10 AM

You don't have too, but it will change bias slightly.

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**audihur** · 12-13-2017 02:15 PM

Originally Posted by replica_rs4

You don't have too, but it will change bias slightly.

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I know It will change the bias, but that's not something that can be coded out of the system. At least not on our cars...

**replica_rs4** · 12-13-2017 03:01 PM

It's not supposed to be coded out. Coding is matching software to hardware. If you were to switch to s4 345mm brakes on a4 xxx0x second to last digit will be zero from whatever it is now.

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**audihur** · 12-13-2017 03:14 PM

Originally Posted by replica_rs4

It's not supposed to be coded out. Coding is matching software to hardware. If you were to switch to s4 345mm brakes on a4 xxx0x second to last digit will be zero from whatever it is now.

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Does that apply to Brembo 18Z "aftermarket" brakes?

**replica_rs4** · 12-13-2017 03:24 PM

you would have to try and see which brake setting will give you best feeling. there is no simple answer. make sure you save your current coding if you decide to play around with brakes coding options.
my main reason for making this thread wasnt for matching brakes but matching different engine and transmission options with ABS . matching engine and transmission to abs will only have one proper coding for it.

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**Van Black** · 12-14-2017 05:13 AM

How did you log into the ABS module?

**replica_rs4** · 12-14-2017 10:28 AM

still collecting information. rosstech is being stingy with info for abs 8.0 is the reason i made this thread. i will be doing an engine swap on b7 s4 to 2.7 tt with standalone that has 1.8t CANBUS . I need to recode abs to 4cyl turbo to make all electronics happy.

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**replica_rs4** · 12-14-2017 11:25 AM

according to a thread in b6 b7 s4 section there is no log in. just coding. i will try this a little later when im home.

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**VinnysS4** · 12-14-2017 04:30 PM

Coding for Tiptronic 04902
Coding for 6 speed 04901
2005.5 audi S4 Sedan
18inch wheels. Rotor size ??
Started life as a TIP, I swapped to 6 speed from a 2007 S4. Ran into the same issue you did regarding 8.0 coding and the lack of information on it. I contacted Ross Tech and their response was basically "don't know what to tell you, post your question on our forum " ... did that and got a bunch of "leave it to the experts ". Great customer support.
I did it anyways. Along with a bunch of other stuff I was told to leave to the "experts" bwahahaha.

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**VinnysS4** · 12-14-2017 04:31 PM

Oh yeah, no login. Just go to the coding and type what you want it to be

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**replica_rs4** · 12-14-2017 05:13 PM

pretty sweet that there is no login. and its bs how stingy they are with abs 8.0 info. need an rs4 coding now and we are good to go.

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**b7_Andy** · 12-14-2017 08:07 PM

I’ve found that it’s hard to change the coding on the module without changing the whole module. I have an A4 and I’ve tried to put in S4 codes like 4901 and the ABS won’t work. I don’t think these modules were designed to be recoded to other Audi models (for example A4 to S4 or RS4). And my car is a 2006 3.2 A4 6-speed with 17” wheels and 320mm front brakes from the factory. My ABS code is 4379

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**replica_rs4** · 12-14-2017 10:34 PM

4901 would wrong code to your car try 4309 . 4901 is for v8 cars only. only change the digit that represents brakes.

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**b7_Andy** · 12-15-2017 12:46 PM

Originally Posted by replica_rs4

4901 would wrong code to your car try 4309 . 4901 is for v8 cars only. only change the digit that represents brakes.

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Ah gotcha so you think changing the second to last digit changes the brake option? I’ll have to try that. Anyone know what the correct ABS code is for a B7 RS4? I read somewhere that it’s 4533 but I’m not sure if that’s correct. I have 18z Porsche brakes installed so I feel like my braking bias should be matched to an RS4...

**replica_rs4** · 12-15-2017 12:53 PM

Originally Posted by b7_Andy

Ah gotcha so you think changing the second to last digit changes the brake option? I’ll have to try that. Anyone know what the correct ABS code is for a B7 RS4? I read somewhere that it’s 4533 but I’m not sure if that’s correct. I have 18z Porsche brakes installed so I feel like my braking bias should be matched to an RS4...

Yes. Every digit represent an option on a car, second to last digit is brakes. im looking for rs4 coding too . Im sure someone will post soon. try to change it to 0 its 345mm s4 option.

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**b7_Andy** · 12-15-2017 01:24 PM

Originally Posted by replica_rs4

Yes. Every digit represent an option on a car, second to last digit is brakes. im looking for rs4 coding too . Im sure someone will post soon. try to change it to 0 its 345mm s4 option.

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Thanks brother!

**Okedokey** · 12-15-2017 07:05 PM

I may be slow but I still cannot understand this thread. Why would you want to know, or for that matter change the coding?

**replica_rs4** · 12-15-2017 08:51 PM

Originally Posted by Okedokey

I may be slow but I still cannot understand this thread. Why would you want to know, or for that matter change the coding?

it changes the way abs communicates to other modules and its a way for abs to know what engine , gearbox etc car has. long story short for engine and gearbox swaps.

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**Okedokey** · 12-15-2017 10:58 PM

Ok, so my question is, why cant you simply code it in using long coding?

**replica_rs4** · 12-16-2017 10:57 AM

long coding isnt avalable for all cars or all modules.

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**Okedokey** · 12-16-2017 09:11 PM

Originally Posted by replica_rs4

long coding isnt avalable for all cars or all modules.

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It is for all A4s in B7

**replica_rs4** · 12-17-2017 12:06 AM

Originally Posted by Okedokey

It is for all A4s in B7

there is always a chance i wrong . i went in to abs and ecu module with vag com there is no long coding option i can see. i know what long coding is as i had to do it for my gm body control module on my suburban.
since you seem to know a lot about coding modules , how about guiding me how to code abs to 1.8t engine , rs4 8 pot brakes and 03a gearbox
thank you

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**Okedokey** · 12-17-2017 12:11 AM

check the correct boxes in each module in the system.

**replica_rs4** · 12-17-2017 12:14 AM

it seems im super slow . could you please give me a step by step.

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**Okedokey** · 12-17-2017 12:36 AM

Theres a link above that explains it

**replica_rs4** · 12-17-2017 12:49 AM

Like i said im super slow. Could you please give me a step by step on how to longcode abs 8.0 to combination of 1.8t engine, 03A gearbox , 8piston rs4 brakes.

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**Okedokey** · 12-17-2017 02:07 AM

If the options in long coding don’t allow it, you cannot. Long coding is a bit by bit decision. You simply need to know what bits relate to what, but that’s guided through long coding or prompts.