It was held on the weekend of 28 to 29 November at Eastern Creek Raceway in Sydney, New South Wales.
Lowndes was given a time penalty for passing Greg Murphy under safety car conditions, which saw him relegated to 12th.
Ambrose was given a time penalty for an illegal overtake on Murphy which saw the rookie bumped back to 13th for race two.
Mark Skaife took a commanding race two win after Murphy was penalized for a jump-start.
Skaife won the round with team-mate Jason Bright taking second and Murphy in third.