Buena a ver si alguien puede ayudarme resulta que lo que era un fallo sencillo se esta volviendo una odisea.
De un dia para otro el coche no me arrancaba y tampoco tenia contacto así que conecté el vagcom conseguí arrancarlo y ví que el fallo era una centralita que hay bajo el volante que es la que se encarga de desbloquear la dirección y que la solución era cambiar unos microinterruptores que tiene , así que la desmonté y cambié el microinterruptor que fallaba ( tuve que hacerlo mas de una vez ya que no me hacia buen contacto y no detectaba la centralita pero todo esto me lo salto). El problema viene a que el coche no me da contacto ni arranca y ya no me sale el mismo fallo que cuando fallaba el micropulsador que cambié.

Copio y pego el log a ver si consigo de una vez arrancar el coche , gracias a todos:

Steering Angle Sensor -- Status: OK 0000
01-Engine -- Status: Malfunction 0010
02-Auto Trans -- Status: OK 0000
03-ABS Brakes -- Status: Malfunction 0010
05-Acc/Start Auth. -- Status: Malfunction 0010
07-Control Head -- Status: OK 0000
08-Auto HVAC -- Status: OK 0000
09-Cent. Elect. -- Status: OK 0000
0E-Media Player 1 -- Status: OK 0000
15-Airbags -- Status: OK 0000
16-Steering wheel -- Status: OK 0000
17-Instruments -- Status: OK 0000
18-Aux. Heat -- Status: OK 0000
19-CAN Gateway -- Status: OK 0000
42-Door Elect, Driver -- Status: OK 0000
46-Central Conv. -- Status: Malfunction 0010
47-Sound System -- Status: OK 0000
4F-Centr. Electr. II -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
56-Radio -- Status: OK 0000
61-Battery Regul. -- Status: Malfunction 0010
62-Door, Rear Left -- Status: OK 0000
6C-Back-up Cam. -- Status: OK 0000
6F-Centr. Conv. II -- Status: OK 0000
72-Door, Rear Right -- Status: OK 0000
76-Park Assist -- Status: Malfunction 0010
77-Telephone -- Status: OK 0000

-------------------------------------------------------------------------------
Address 01: Engine Labels: 059-907-401-ASB.clb
Part No SW: 4L0 910 401 K HW: 4L0 907 401
Component: 3.0L V6TDI 000AG 0030
Revision: --H03--- Serial number:
Coding: 0011779
Shop #: WSC 80093 222 69422
VCID: 2A5CD9EA8564691197-807E

2 Faults Found:
009300 - Diesel Particle Filter; Differential Pressure Sensor
P2454 - 001 - Short to GND
Freeze Frame:
Fault Status: 01100001
Fault Priority: 0
Fault Frequency: 1
Reset counter: 255
Mileage: 258251 km
Time Indication: 0
Date: 2006.05.10
Time: 12:53:17

Freeze Frame:
RPM: 0 /min
Torque: 0.0 Nm
Speed: 0.0 km/h
Temperature: 893.2°C
Temperature: 17.7°C
(no units): 0.0
Absolute Pres.: 81.6 mbar

005660 - Glowplug for Cylinder 3 (Q12)
P161C - 001 - Open Circuit
Freeze Frame:
Fault Status: 01100001
Fault Priority: 0
Fault Frequency: 1
Reset counter: 255
Mileage: 258251 km
Time Indication: 0
Date: 2006.05.10
Time: 12:53:17

Readiness: 0 0 1 1 1

-------------------------------------------------------------------------------
Address 02: Auto Trans Labels: 09D-927-750.lbl
Part No SW: 09D 927 750 FS HW: 09D 927 750 FS
Component: AL 750 6A 1000
Revision: 00H64000 Serial number:
Coding: 0000504
Shop #: WSC 31414 790 00001
VCID: 0400575247805F61CD-8050

No fault code found.

-------------------------------------------------------------------------------
Address 03: ABS Brakes Labels: 4L0-910-517-V1.clb
Part No SW: 4L0 910 517 A HW: 4L0 614 517 A
Component: ESP ALLRAD MK25E1 0130
Revision: 00H22001
Coding: 0033937
Shop #: WSC 31414 790 00001
VCID: 285823E29B685B0181-807C

1 Fault Found:
01826 - Sensor for Steering Angle (G85); Supply Voltage Terminal 30
000 - -
Freeze Frame:
Fault Status: 01100000
Fault Priority: 2
Fault Frequency: 1
Reset counter: 235
Mileage: 258251 km
Time Indication: 0
Date: 2006.05.10
Time: 13:23:40

Freeze Frame:
Count: 0
Count: 4357
Count: 297
Count: 44544


-------------------------------------------------------------------------------
Address 05: Acc/Start Auth. Labels: 4F0-910-852.clb
Part No SW: 4F0 910 852 HW: 4F0 905 852 B
Component: FBSAUDIC6 ELV H31 0220
Revision: 31050601 Serial number: 10601100600443
Coding: 0000131
Shop #: WSC 31414 790 00001
VCID: 63C274CEA2CEF85994-8036

Subsystem 1 - Part No: 4F0 910 131 E
Component: FBSAUDIC6 EZS H45 0080

Subsystem 2 - Part No: 4F0 910 220 D
Component: FBSAUDIC6 IDG H01 0040

1 Fault Found:
00576 - Terminal 15
006 - Short to Plus
Freeze Frame:
Fault Status: 01100110
Fault Priority: 2
Fault Frequency: 1
Reset counter: 235
Mileage: 258251 km
Time Indication: 0
Date: 2006.05.10
Time: 13:25:48


-------------------------------------------------------------------------------
Address 07: Control Head Labels: 4L0-910-7xx-07-H.clb
Part No SW: 4L0 910 732 T HW: 4E0 035 729 A
Component: Interfacebox H43 5150
Revision: 00000000 Serial number: 387KW067530730
Coding: 0002004
Shop #: WSC 31414 790 00001
VCID: 3A7CE9AA75C4D991E7-806E

Subsystem 1 - Part No: 4L0 910 609
Component: E0380 BedienteilH01 0060

Subsystem 2 - Serial number: 00000000587298

Subsystem 3 - Serial number: 0118.11.060000000100010114ÿ

Subsystem 4 - Serial number: 010114ÿ

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC Labels: None
Part No SW: 4L0 910 043 HW: 4L0 820 043 E
Component: KLIMABETAETIGUNGH05 0060
Revision: 00---012 Serial number: 00000000085280
Coding: 0000022
Shop #: WSC 31414 790 00001
VCID: 61CE7EC6B8D2EA4986-8034

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect. Labels: 4F0-910-279.lbl
Part No SW: 4F0 910 279 K HW: 4F0 907 279
Component: ILM Fahrer H17 0240
Revision: 00000000 Serial number: 4F0907279
Coding: 0010121
Shop #: WSC 00038 572 88604
VCID: 316ECE86A8B21AC956-8064

Subsystem 1 - Part No: 4L1 910 113 Labels: 1KX-955-119.CLB
Component: Wischer AU716 H12 0080
Coding: 00064792
Shop #: WSC 00038

Subsystem 2 - Part No: 4E0 910 557 A Labels: 8K0-955-559.CLB
Component: REGENLICHTSENSORH13 0090
Coding: 00150059
Shop #: WSC 00038

No fault code found.

-------------------------------------------------------------------------------
Address 0E: Media Player 1 Labels: 4E0-910-111.lbl
Part No SW: 4L0 910 110 B HW: 4L0 035 110
Component: MP3-Changer H43 0390
Revision: 00043000 Serial number: AUZ5ZBF1019300
Shop #: WSC 00000 000 00000
VCID: 1E34053AC92C95B1FB-804A

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags Labels: 4L0-910-655.lbl
Part No SW: 4L0 910 655 B HW: 4L0 959 655
Component: 30 AIRBAG AUDI8RH38 0120
Revision: 05H38000 Serial number: 0037GD070HT6
Coding: 0013104
Shop #: WSC 31414 790 00001
VCID: 2C50DFF28F90772165-8078

Subsystem 1 - Serial number: 6332QSME182613196

Subsystem 2 - Serial number: 6342QSME19371F43J

Subsystem 3 - Serial number: 6352QSME18733A45I

Subsystem 4 - Serial number: 6362QSME1934207FJ

Subsystem 5 - Serial number: 63734SME1A143F798

Subsystem 6 - Serial number: 63834SME1A141B61.

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel Labels: 4F0-910-549.lbl
Part No SW: 4F0 910 549 HW: 4F0 953 549 A
Component: Lenksäulenmodul H08 0230
Revision: 00H08000 Serial number: 90025063140021
Coding: 0002012
Shop #: WSC 31414 790 00001
VCID: 66C46DDA51FC8D7173-8032

Subsystem 1 - Part No: XXXXXXXXXXX
Component: Lenkradmodul H07 0090

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments Labels: 4L0-910-xxx-17.lbl
Part No SW: 4F0 910 930 C HW: 4L0 920 930 H
Component: KOMBIINSTR. M73 H17 0120
Revision: 00700000 Serial number: 5HG7C9HC6
Coding: 2561148
Shop #: WSC 00999 444 64523
VCID: 234234CEE24EB859D4-8076

No fault code found.

-------------------------------------------------------------------------------
Address 18: Aux. Heat Labels: None
Part No SW: 4L0 910 105 HW: 4L0 815 071 D
Component: Heizgeraet H08 0060
Revision: 0000000A Serial number: 00000009014264
Coding: 0000002
Shop #: WSC 31414 790 00001
VCID: 60C87BC2B3D8E34189-8034

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway Labels: 4L0-910-468.clb
Part No SW: 4L0 910 468 HW: 4L0 907 468
Component: J533__Gateway H06 0040
Revision: 00H06000 Serial number: 0900B06B1181B2
Coding: F55BDE57301202
Shop #: WSC 31414 790 00001
VCID: 6CD01FF24F10B72125-8038

No fault code found.

-------------------------------------------------------------------------------
Address 42: Door Elect, Driver
Cannot be reached

-------------------------------------------------------------------------------
Address 46: Central Conv. Labels: 4L0-910-289.lbl
Part No SW: 4L0 910 289 D HW: 4L0 907 289 A
Component: Komfortgeraet H05 0020
Revision: 0020 --- Serial number: 01025633790000
Coding: 4202737
Shop #: WSC 31414 790 00001
VCID: 316ECE86A8B21AC956-8064

Subsystem 1 - Part No: 1K0 951 605 C
Component: LIN BACKUP HORN H03 1301

Subsystem 2 - Part No: 4F0 910 177
Component: Innenraumueberw.H01 0020

2 Faults Found:
02961 - Lamp in Bumper; Rear Right
009 - Open or Short to Ground
Freeze Frame:
Fault Status: 01101001
Fault Priority: 3
Fault Frequency: 254
Reset counter: 235
Mileage: 0 km
Time Indication: 0

Freeze Frame:
Bin. Bits: 001 010

00576 - Terminal 15
008 - Implausible Signal
Freeze Frame:
Fault Status: 01101000
Fault Priority: 3
Fault Frequency: 60
Reset counter: 235
Mileage: 258251 km
Time Indication: 0
Date: 2006.05.10
Time: 12:38:29


-------------------------------------------------------------------------------
Address 47: Sound System (J525) Labels: None
Part No SW: 4L0 910 223 K HW: 4L0 035 223 C
Component: DSP-AU716-RD H07 0270
Revision: 04S00000
Coding: 020000
Shop #: WSC 31414 790 00001
VCID: 2C50DFF24F90772165-FFFE

No Faults Found
or DTCs not supported by controller
or a communication error occurred

-------------------------------------------------------------------------------
Address 4F: Centr. Electr. II Labels: 4F0-910-280.lbl
Part No SW: 4F0 910 280 HW: 4F0 907 280 E
Component: ILM Beifahrer H10 0080
Revision: Serial number: 00000000020727
Coding: 0011101
Shop #: WSC 31414 790 00001
VCID: 5EB4453A89ACD5B1BB-800A

No fault code found.

-------------------------------------------------------------------------------
Address 52: Door Elect, Pass.
Cannot be reached

-------------------------------------------------------------------------------
Address 56: Radio
Cannot be reached

-------------------------------------------------------------------------------
Address 61: Battery Regul. Labels: 4F0-910-181.lbl
Part No SW: 4L0 910 181 HW: 4L0 915 181
Component: J0644 BEM H12 0530
Revision: -------- Serial number: 00000000062604
Shop #: WSC 00038 572 57674
VCID: 64C077D2A7C0FF616D-8030

Subsystem 1 - Part No: 4F0 915 105 D
Component: von VA0 2611171721
Coding: 344630393135313035442056413032363131313731373231
Shop #: WSC 31414 790 00001

1 Fault Found:
03041 - Energy Management Active
000 - -
Freeze Frame:
Fault Status: 01100000
Fault Priority: 7
Fault Frequency: 1
Reset counter: 255
Mileage: 258251 km
Time Indication: 0
Date: 2006.05.10
Time: 13:23:40


-------------------------------------------------------------------------------
Address 62: Door, Rear Left
Cannot be reached

-------------------------------------------------------------------------------
Address 6C: Back-up Cam.
Cannot be reached

-------------------------------------------------------------------------------
Address 6F: Centr. Conv. II
Cannot be reached

-------------------------------------------------------------------------------
Address 72: Door, Rear Right
Cannot be reached

-------------------------------------------------------------------------------
Address 76: Park Assist Labels: 4Fx-910-283.lbl
Part No SW: 4F0 910 283 G HW: 4F0 919 283 G
Component: Parkhilfe 8-Kan H12 0060
Revision: 00H12000 Serial number: 06330631504679
Coding: 0221046
Shop #: WSC 31414 790 00001
VCID: 285823E29B685B0181-807C

1 Fault Found:
00576 - Terminal 15
008 - Implausible Signal
Freeze Frame:
Fault Status: 01101000
Fault Priority: 3
Fault Frequency: 2
Reset counter: 235
Mileage: 258251 km
Time Indication: 0
Date: 2006.05.10
Time: 13:28:24


-------------------------------------------------------------------------------
Address 77: Telephone
Cannot be reached

End-------------------------(Elapsed Time: 03:00)--------------------------