connecting or not??

[blitzskymaster]

Hi guys i am trying to conect my recently purchased -elm 317 1.4A USB OB2 to hopefully clear my MIL lamp.
I seam to connected ok to the Service tab button as it shows my current millage of my vehicle but it has an error on starting this tab!!

If i try to connect via Engine tab/key i get an error displying no communication with ecu?? what am i doing wrong?
My Vehicle is a 2003 fiat doblo 1.9jtd cargo i have tried all the 1.9 jtd engines with no luck! iVE ALSO DONE A CONNECTION TEST AND RESULSTS SEEM OK!

any thing else??? lol

Thanks

[blitzskymaster]

COMMAND: ATZ
RESPONSE: ATZ


ELM327 v1.4a

>

COMMAND: ATI
RESPONSE: ATI
ELM327 v1.4a

>

COMMAND: ATE0
RESPONSE: ATE0
OK

>

COMMAND: ATL0
RESPONSE: OK

>

COMMAND: ATH0
RESPONSE: OK

>

COMMAND: ATSPC
RESPONSE: OK

>

COMMAND: ATS0
RESPONSE: OK

>

COMMAND: ATCAF0
RESPONSE: OK

>

COMMAND: ATCFC0
RESPONSE: OK

>

COMMAND: ATCRA 7B0
RESPONSE: OK

>

COMMAND: ATSH 7B0
RESPONSE: OK

>

COMMAND: ATAT1
RESPONSE: OK

>

COMMAND: ATST41
RESPONSE: OK

>

COMMAND: ATBI
RESPONSE: OK

>

This interface is compatible with ELM 327 1.3! Should connect properly with all CAN modules.

[blitzskymaster]

If i need to buy full version i will!! but want to make sure it works ok??