In the event, in one or more actions, judgment is rendered against a defendant under this chapter based upon the negligent or wrongful act or omission of a minor in the operation of a vehicle, and also by reason of such act or omission rendered against such defendant under Article 2 (commencing with Section 17150) of Chapter 1 of Division 9, then such judgment or judgments shall not be cumulative but recovery shall be limited to the amount specified in Section 17709.