Technical OBD not working

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Hi ,

Yesterday, a problema came up.

After i read a friend's Grande Punto 1.3 Multijet , with an OBD II cable everything was fine , i read erros and details and was ok.

Then i was going to read mine, that previously was working months ago, but now simply doesnt work.

No lights came up when i plugged the obd cable, and once plugged it was supposed to turn on some lights on the interface but nothing.

Is it possible some cable were disconected while my car changed the timing chain? i believe not as the car is working just fine...

Might be a fuse? how can i know wich fuse is it?

Thanks!

 

[Cadabena]

In the box on the dash (should find it around the glove compartment), fuse 02, of amperage 10

 

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Thank you! I will look into it, i hope that is the problem , or else i dont know what could be...