General Key code on car wont start

[Proud fiat owner]

Hi guys..im kinda new hear hoping you guys can help me..i got a fiat palio siena weekender 1.6 16v..the car cranks..but dont start..i did what i could..by checking fuses repays..ecu..code box but just cant seem to find the fault..i dont know if i missed anything..please help

 

[varesecrazy]

Hi

Do you have several keys.. ?
it could just be one key has an issue with its chip

 

[Proud fiat owner]

I just got one blue key,i dont even have that credit card thing with the code,this is really frustrating