Bristol City's Nahki Wells' penalty in injury time salvages a point for the visitors.
Sunderland will be disappointed after Jack Clarke opened the scoring with a thunderous strike on 59 minutes.
Sunderland remain sixth in the Championship table.
Bristol City continue their positive start to 2023.
Lots of promise, plenty of chances but no goals as Wigan go four unbeaten under Shaun Maloney.
A point gained, or two points dropped for these two?
Wigan are bottom as things stand. Norwich are stuck in ninth.
Stockport have a very late second with Ryan Rydel scoring in the 95th minute against Stevenage.