If you've been offroad, then check your evap canister. I think it'll throw a cas cap warning if it's damaged (or gone).

 

I got the gascap message when brush had drug the wires off of the evap cannister.. plugged back in, disco'd the battery for a minute, and all was well..

 

I wish i got that for a warning.. all I got was the check engine light, so I checked the code..

P0455 - Evap Purge System Large Leak

= loose gas cap

 

Unfortunately, it can be a leak almost anywhere. We have had smashed cannisters, cracked fill tubes, smashed gas tanks pinching lines...it's a guessing game--just start working down the line, or better yet, let the dealership do it under warranty!

 

Take it in



Yes Take it into Fiat and let them fix it.