Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty 2-3 Shift Solenoid Valve– 2-3 Shift Solenoid Valve harness or connectors– 2-3 Shift Solenoid Valve circuit is open or shorted When is the obd code mean? When the Powertrain Control Module (PCM) detects a 1-2-2-1 shift pattern, then DTC P0757 sets. Symptoms – Engine…