The Quebec Court of Appeal has reserved judgement in the Brandon Pardi case.
Pardi was convicted of dangerous driving, causing the death in 2007, of three-year old Biance Leduc.
She was run over, while playing in the yard of a daycare in Ile Perrot.
Pardi , who was street racing with a friend when he lost control of his vehicle was sentenced to one year house arresst and two years less a day to be served in the community.
His lawyers are arguing that the judge made errors during the trial.
The Crown is arguing that the sentence was too lenient.
No date has been set for a decesion by the appeal court.