In what circumstances will a motion be successful in a personal injury case?

in the progress of the cause. As the rule is sometimes expressed, a motion relates to some question collateral to the main object of the action and is connected with, and dependent on, the principal remedy.' " [Citation.] In most cases, after the judgment has become final, there is nothing pending to which a motion may attach.' [Citation.]" (People v. Picklesimer (2010) 48 Cal.4th 330, 337 (Picklesimer).)