Technical P0657 on 2007 Grande Punto Active 1242CC 3DR Petrol

[kev51773]

Hi all, I've just had a P0657 code come up on my Punto. The car still starts and drives properly with no noticeable symptoms. The internet seems to give conflicting advice on what this code means.
Could someone please advise as to the meaning of this code and if possible, a diagnostic procedure to follow to find the cause.

Thanks.

 

[DGPunto]

Have you cleared it to see if it returns?

 

[kev51773]

It disappeared a few hours later and hasn't come back since, however I've had a bulb warning light on briefly since if there's any possible connection.

 

[Astrit]

It disappeared a few hours later and hasn't come back since, however I've had a bulb warning light on briefly since if there's any possible connection.

I have this problem too
I cant find