Re: [opendiag] Vag engine fault codes

hi
something is wrong there
what protocol use ?
see next:
....................
03 FC 1B E4 09 F6 03
03 FC 1C E3 09 F6 03
03 FC 1D E2 09 F6 03
03 FC 1E E1 07 F8 03 (here start the comand for read
for DTC's) 07 IS THE COMAND!!!

12 ED 1F E0 FC 03 (next lines are the DTC that are
found in my ECU, my ECU have 5 DTC's)
46 B9 33 CC 23 DC ( 46 33 23 -hex mean fault:
17971 #) numbers can be explained from a foult table
45 BA 62 9D 23 DC ( 45 62 23 -hex mean foult:
17762 #) 23 hexa is symbol #
46 B9 7F 80 23 DC ( 46 F6 23 -hex mean foult:
18047 #)
44 BB F7 08 23 DC ( 44 7F 23 -hex mean foult:
17655 #)
46 B9 3A C5 23 DC 03 ( 46 3A 23 -hex mean foult:
17978 #)

03 FC 20 DF 09 F6 03 (this is background comunication
protocol, not important)
03 FC 21 DE 09 F6 03
03 FC 22 DD 09 F6 03
03 FC 23 DC 09 F6 03
....................

Regards
Bora Ku

--- Adrian Hill <adrianh@...> wrote:
> Hi,
>
> Happy, happy for the new year and all.
>
> I hope you can help me. This is a transcript of
> comms with VAG where I
> ask for fault codes, and the fault codes are
> returned to me:
>
> 03 FC 1F E0 09 F6 03
> 03 FC 20 DF 09 F6 03
> 03 FC 21 DE 09 F6 03
> Keep alive
>
> 03 FC 22 DD 07 F8 03
> 07 = Retrieve fault codes
>
> 0F F0 23 DC FC 03 02 FD 06 F9 01 FE 02 FD 14 EB 07
> F8 02 FD 06 F9 02
> FD 02 FD 09 F6 02 FD 03
> Block of codes
>
> The actual codes returned were:
> d518 = h206
> d532 = h214
> d518 = h206
> d521 = h209
>
> Now, this is the part where I need some help:
>
> We seperate the ECU data from the PC ACK data:
>
> ECU ACK
> 0F F0
> 23 DC What does 23 mean? In the next data block it
> is 25
> FC 03 What does FC mean?
>
> 02 FD
> 06 F9 Code 206
>
> 01 FE Why is 01 on its own?
>
> 02 FD
> 14 EB Code 214
>
> 07 F8 Why is 07 on its own?
>
> 02 FD
> 06 F9 Code 206
>
> 02 FD Why is 02 on its own?
>
> 02 FD
> 09 F6 Code 209
>
> 02 FD Why is 02 on its own?
> 03
>
>
> 03 FC 24 DB 09 F6 03
> Ack receipt of codes
>
> 0F F0 25 DA FC 03 00 FF 00 FF 00 FF 00 FF 00 FF 00
> FF 00 FF 00 FF 00 FF
> 00 FF 00 FF 00 FF 03
> Another block of codes
>
> 03 FC 26 D9 09 F6 03
> OK we got all the codes
>
> 03 FC 27 D8 09 F6 03
> Keep alive
>
>
> Maybe I have gotthe sequence of the error codes
> wrong, any ideas?
>
> Regards
> Adrian
>

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Received on Fri Jan 02 03:31:12 2004