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Symptom: P0740-TORQ CONV CLU, NO RPM DROP AT LOCKUP When Monitored and Set Condition: P0740-TORQ CONV CLU, NO RPM DROP AT LOCKUP When Monitored: Continuously with the key on. Set Condition: This code wills set if the Torque Convertor Clutch (TCC) cannot achieve the desired drop in engine RPM when the TCC solenoid is near the maximum duty cycle. POSSIBLE CAUSES CHECK FOR MISFIRE CODES INTERMITTENT TCC SOLENOID CHECK THE TRANS FLUID LEVEL AND CONDITION INPUT SHAFT SEALS INTERNAL PROBLEM OR TCC SOLENOID OIL PUMP/SHAFT/SEALS TORQUE CONVERTER VALVE BODY TEST ACTION APPLICABILITY 1 Turn the ignition on. t, read DTCs. Is the Good Trip counter for P0740 displayed and Equal to 0? without 45RFE AUTO TRANS Yes → No → 329 TRANSMISSION |