TC changed end reported car 2670 Front M2 warm. Staff (RFP) checked and confirmed car 2670 no air-co n fault,. Car was warm. ~~~~~ TC changed end reported car 2670 Front M     Check and found a/c 2-2 CCU motor shorted to ground.Isolated U ,V,W from CCU motor and function test observed no APS fault recure. Not: 2324125 raise to RSW. Done by Jack. 19/10/21