Hello, i've runed a scann with vag-com:

 

Chassis Type: 6Y - Skoda Fabia

Scan: 01,02,03,08,09,15,17,19,37,44,46,56,69
 
Address 01     -------------------------------------------------------
   Controller: 0 ˆp ˆ0 ˆ
   Note: Can't Synch Baud Rate


Address 03     -------------------------------------------------------
   Controller: 6Q0 907 379 AB 
   Component: MABS 8.0 front  H03 0001
   Coding: 0000005
   Shop #: WSC 13765
No fault code found.


Address 08     -------------------------------------------------------
   Controller: 6Y0 820 045    
   Component: Klimaanlage        X0840
2 Faults Found:
65535 - Internal Control Module Memory Error
            00-00 -  -
00819 - High Pressure Sensor (G65)
            07-00 - Signal to Low


Address 09     -------------------------------------------------------
   Controller: 6Q1 937 049 D  
   Component: 0000 BN-SG.         1S34
   Coding: 25754
   Shop #: WSC 13765
No fault code found.


Skipping Address 15-Airbags


Address 17     -------------------------------------------------------
   Controller: 6Y0 920 881 B
   Component: KOMBI+WEGFAHRSP VDO V02
   Coding: 00101
   Shop #: WSC 10164
   TMBHD46Y154229881     SKZ7Z0D2689095
No fault code found.


Address 19     -------------------------------------------------------
   Controller: 6N0 909 901    
   Component: 003G GATEWAY CAN    1S34
   Coding: 00014
   Shop #: WSC 13765
No fault code found.


Address 44     -------------------------------------------------------
   Controller: 6Q0 423 156 AE 
   Component: LenkhilfeKYO        V957
   Coding: 10140
   Shop #: WSC 06402
No fault code found.


Address 46     -------------------------------------------------------
   Controller: 6Q0 959 433 H  
   Component: 35 Komfortger·t     0002
   Coding: 00259
   Shop #: WSC 13765
No fault code found.
 

 

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

 

The AC is not working. I press the button, the led turns on, but the compressor does not start, what do you think i should do?

Have you read this?

http://wiki.ross-tech.com/wiki/index.php/00819

is this the one? http://repair.alldata.com/alldata/imagesWLinks?file=//image300j/38/35/39_vw01a4_CLV_1085-001.jpg&width=596&height=479&displayType=print&imgRotation=0

looks ok..