98 LeSabre engine code question

Hi,
98 LeSabre with engine codes P0108 (MAP/BARD circuit high input).
The analyzer came back with 2 error codes and they are both the exact same, P0108. Is there a reason for this duplication of codes and what should I be looking at for a fix.

Thanks
Gary

Welcome to AF. Check this link.http://service.gm.com/gmspo/mode6/pdf/1998/98c38K_CFHWE.pdf