The AUD was $0.7740/48, compared with $0.7751/56 late here on Friday, consolidating after being rebuffed at a three-week high of 78 US cents last week.
The Aussie came close to testing 77 cents offshore, but managed a modest bounce after fourth-quarter US gross domestic product on Friday failed to live up to expectations, causing some slippage in the US dollar.
The US dollar edged up in Asian trading after the Iraqi election passed without a major hitch, although it still faced several key pieces of data this week and a two-day Federal Reserve meeting starting on Tuesday that is expected to lift the funds rate by 25 basis points to 2.5 percent.