(a) A motion to consolidate cases shall be heard by the judge assigned to the first case filed. Notice of a motion to consolidate cases shall be given to all parties in each case. The order denying or granting the motion shall be filed in each case.
(b) If a motion to consolidate is granted, the case number of the first case filed shall be used for all subsequent papers and the case shall be heard by the judge assigned to the first case. The presiding judge may assign the case to another judge for good cause.