GRA not working after activation

Hello Diesel Mechanic Community,

I finally managed to install the GRA (Gearbox Ratio Adaption) lever in my 2006 Audi A4 2.7 TDI Avant. It features a multi-function display with Bluetooth, telephone integration, voice control, and radio controls.
I coded the steering column module (8E0 953 549 Q) with the following values: 04042.
After that, I entered the GRA release code in the MSG.
Here's my problem:

When the GRA lever is activated, absolutely nothing happens. Oh, the GRA indicator light isn't turning on.
However, the lever itself is working. I checked the functionality of the GRA functions in the advanced measurement blocks within the steering column module.
I don't know what to do next.
Have I forgotten something?

EDIT:
I am also unable to access the MSG system with the login code 12233.
Even though I had the ignition on for 10 minutes after what was supposedly a wrong input.

Who says that 12233 actually works with this engine?

Are ALL the buttons/movements of the GRA lever recognized by the Motor Control Unit (ECU)?

Hi,
I'm not seeing an access code displayed in a bubble either.
Functions that I have now verified:
on/off
SET
"The increase and decrease buttons, as well as the resume function, are all displayed and become active when the lever is engaged."
Is it possible that I can't log in to the MSG system with the correct code, which is preventing me from activating the GRA at all?

The correct code is not 12233. But it should be like always.

11463 - Activate GRA.
16167 - Deactivate GRA.

mullemaus wrote:

The correct code is not 12233. But it should be like always. 11463 - Activate GRA. 16167 - Deactivate GRA.

Yes, that's what I did. I used the code provided above as the login code. But nothing is happening.
And even after that, nothing works... I've tried it 10 times already...

You can tell if it is activated by the 'G' in/behind the part number, etc.

And THEN, the MSG (Message) must also indicate that the switch states are being recognized.

In newer models, the GRA lamp only turns on when the control system is actively operating. Not like in the Golf IV days, when the light would illuminate to indicate that the GRA (automatic emergency braking system) was generally ready for use...
If the lamp doesn't light up when it's turned on, that might initially seem normal.

Okay,
I took another, more focused look at the story today.
Steering wheel coding is successful. I can see the functions of the switch operation in the motorcycle's control unit (ECU), and something actually happens when I check it.

Okay, let's talk about MSG:
In Encoding II, I entered the GRA activation code and received a message confirming that the code had been successfully accepted.
Then I wanted to check the function of the MWB 006 in the MSG, and lo and behold: nothing happened.
"In the status, I have 00001100, and in the switch position, I have 00000001, and nothing changes even when I move the lever."




I'm about to give up...



!EDIT!:
I've started all over again.
Now I also see in the MWB 06 documentation that the bits switch when the GRA lever is operated.
However, it is still not functional. While driving, absolutely nothing happens...




Best regards, Andy.

First, please post the complete vehicle scan results...
Please attach a Screenshot of the VCDS control unit information for the engine control unit as an attachment.

Best regards, Rainer.

Okay, you mean this?:








Saturday, May 14, 2011, 3:52:08:48747 PM.
VCDS Version: RKS 10.6.4
Data as of: 20110418.



"Die Sonne scheint hell, und die Vögel zwitschern fröhlich. Es ist ein wunderschöner Tag, um spazieren zu gehen oder ein Picknick im Park zu machen. Viele Menschen genießen das gute Wetter und verbringen Zeit im Freien."
"Die Sonne scheint hell, und die Vögel zwitschern fröhlich. Es ist ein wunderschöner Tag, um spazieren zu gehen oder ein Picknick im Park zu machen. Viele Menschen genießen das gute Wetter und verbringen Zeit im Freien."


Vehicle type: 8E - Audi A4 B6/B7.
Scan: 01 02 03 08 09 0F 11 15 16 17 18 36 37 45 46 55 56 57 65 67
69 75 76 77

Vehicle Identification Number: WAUZZZ8E07A020915 Mileage: 182,050 km
"Der schnelle braune Fuchs springt über den faulen Hund."
Address 01: Engine Label file: RKS\059-910-401-BPP.lbl
Part number SW: 8E2 910 401 D, HW: 8E0 907 401 AL.
Part: 2.7L V6 TDI, part number G000SG, 0050.
Revision: --H03--- Serial number:
Encoding: 0011121
Operating number: WSC 06325 000 00000
VCID: 224E6D4E845F

No errors found.
Readiness: 0 0 0 0 0

"Der schnelle braune Fuchs springt über den faulen Hund."
Address 03: Brakes Label file: RKS\8E0-910-517.lbl
Part number SW: 8E0 910 517 H, HW: 8E0 614 517 BF.
Component: ESP8 FRONT H06 0140
Revision: 00000000 Serial number: 00000000000000
Encoding: 0004425
Operating number: WSC 06325 000 00000
VCID: 2C528376F69B

No errors found.

"Der schnelle braune Fuchs springt über den faulen Hund."
Address 08: Climate/Heating Label file: RKS\8E0-820-043.lbl
Part number: 8E0 820 043 BJ
Component: A4 Climate Control Unit 2833.
Encoding: 00000
Operating Number: WSC 00000
VCID: 6ADE456E3CEF

No errors found.

"Der schnelle braune Fuchs springt über den faulen Hund."
Address 09: Body Control Module
Label file: RKS\8E0-907-279-8EC.lbl
Part number: 8E0 907 279 N
Component: internal. Last module ECE 0907.
Encoding: 10101
Operating number: WSC 06325
VCID: 3D74BE321DE1

No errors found.

"Der schnelle braune Fuchs springt über den faulen Hund."
Address 15: Airbag
Label file: RKS\8E0-959-655-94.lbl
Part number SW: 8E0 959 655 G, Hardware number: 8E0 959 655 G.
Part: Airbag 9.41 H12 3730
Revision: 91H12373 Serial Number: 0036M0G1ND1%
Encoding: 0030612
Operating number: WSC 06325 000 00000
VCID: 3B70B02A03F5

No errors found.

"Der schnelle braune Fuchs springt über den faulen Hund."
Address 16: Steering wheel
Label file: RKS\8E0-953-549.lbl
Part number: 8E0 953 549 Q
Component: Steering column module 0701.
Encoding: 04042
Operating number: WSC 06325
VCID: 418CC2C26119

No errors found.

"Der schnelle braune Fuchs springt über den faulen Hund."
Address 17: Combination instrument
Label file: RKS\8E0-920-9xx-8EC.lbl
Part number SW: 8E0 920 901 D, Part number HW: 8E0 920 901 D.
Part: KOMBI+WFS 4 H14 0110
Revision: 0110 Serial number: 00000000000000
Encoding: 0006011
Operating number: WSC 25445 136 92824
VCID: 2646715EE877

No errors found.

"Der schnelle braune Fuchs springt über den faulen Hund."
Address 46: Comfort System
Label file: RKS\8E0-959-433-MAX.lbl
Part number: 8E0 959 433 CD
Component: Comfort Device T01 4035
Encoding: 00064
Operating number: WSC 06325
VCID: 75E466126551

Part number: 8E1959801H
Component: Törsteuer.FS BRM 0606

Part number: 8E1959802H
Component: Törsteuer.BF BRM 0606

Part number: 8E0959801E
Component: Törsteuer.HL BRM 0606

Part number: 8E0959802E
Component: Törsteuer.HR BRM 0606

Sure, here is the translation of the text from German to English:

"1 error found:"
00956 - Key 2
35-10 - - - Sporadic

"Der schnelle braune Fuchs springt über den faulen Hund."
Address 56: Radio Label file: RKS\8E0-035-1xx-56.lbl
Part number: 8E0 035 186 AA
Component: concert II GRO 0004
Encoding: 01265
Operating number: WSC 06325
VCID: 66C6315E28F7

No errors found.

"Der schnelle braune Fuchs springt über den faulen Hund."
Address 76: Parking Assist
Label file: RKS\8E0-919-283-8EC.lbl
Part number SW: 8E0 919 283 D, Part number HW: 8E0 919 283 D.
Part: Parking assist system, 4-channel, H06 0010.
Revision: 00H06000 Serial Number: 00067802020617
Encoding: 0010014
Operating number: WSC 06325 000 00000
VCID: 316C9202D1B9

No errors found.

"Der schnelle braune Fuchs springt über den faulen Hund."
Address 77: Telephone Label file: RKS\8P0-862-335.lbl
Part number SW: 8P0 862 335 H HW: 8P0 862 335 H
Component: FSE_255x BT H21 0290
Revision: 00000001 Serial number: 00000000479478
Encoding: 0001611
Operating number: WSC 06325 000 00000
VCID: 3B70B02A03F5

No errors found.

Sure, here is the translation of the text from German to English:

End
--------------------------------------------------------------------


I will send you the picture shortly, as the battery of my laptop is finally completely dead .

Quote:

G000SG

At least, GRA (Gasoline Direct Injection) is activated in the engine control unit, so there's no immediate need for action.

If the GRA (Ground Fault Relay) switch statuses are not displayed in the MWB6 system, the engine control unit will not detect them.
Possible causes: A wire may have been forgotten during the GRA (Gear Range Adapter) wiring (if applicable, as I haven't yet installed a GRA on this model), or the steering column control unit may not be transmitting the data correctly to the engine control unit.

What does measurement block 4 from the steering column control unit say?

Best regards, Rainer.

Quote:

If the GRA (Ground Fault Relay) switch statuses are not displayed in the MWB6 system, the engine control unit will not detect them. Probable causes: A wire may have been forgotten during the GRA wiring (if applicable, as I haven't yet installed GRA on this model), or the steering column control unit may not be transmitting the data correctly to the engine control unit.

The switch statuses are now being displayed. So, when the lever is activated, the 0s and 1s flip around .
Unfortunately, it doesn't work.
I didn't have to do any wiring; it was just a matter of plugging in the GRA lever and it was ready.

The switch appears to be functioning correctly in both the MSG (Message Center) and the steering column control unit. See images.

Did you also drive faster than 30 km/h when you tried out your GRA?

Try driving at 50 km/h, turn on GRA (Grade Reduced Assist), press the "Set" button, and then take your foot off the accelerator.
Warning: If the switches for the clutch or brake are not working correctly, the GRA will immediately be deactivated.
Please check their function (MWB in the engine control unit). For details on the bits, see the label file opened as text.

Best regards, Rainer.

Yes... I've already driven faster than 30 .

Okay, then I'll go ahead and check those switches. There must be some kind of silly mistake.

Okay, so...
Good news.
Clutch switch broken. I've temporarily bypassed it, and sure enough, it works.

Great, thanks for the feedback!