Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty shift solenoid ‘A’ valve– Shift solenoid ‘A’ valve harness or connectors– Shift solenoid ‘A’ valve circuit is open or shorted Tech description Some Acura may have a short to ground in the BLK/YEL alternator wire and could cause the ECM/PCM to set the P0753…