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P0740 is Torque converter issue. The torque converter is a device mounted between the engine and transmission. This device transfers engine power to the trans. This code may indicate posssible failure to engage, this problem will become severe causing the vehicle to stall or failure to launch. Check trans fluid levels, and have transmission serviced.
If your torque convertor is stuck, you will not be able to start the
vehicle. You will no doubt have to drop the trans.I've never heard of
a stuck convertor, just a wiped out one, that doesn't engage the
YOU HAVE A TORQUE CONVERTER PROBLEM. TORQUE CONVERTER CONTROL CIRCUIT MALFUNCTION CODES CAN COME FROM ELECTRICLE TO INTERNAL MALFUNCTION. IF YOU START EXPERIENCING A HARD SHIFT OR FREE SPIN TO HARD SHIFT DON'T BE SURPRISED. TRY CHANGING FLUID. THIS MAY HELP. HONDA WOULD HAVE REPLACED TRANS IF UNDER 105 k FOR FREE. IF YOU HAVE TO REPLACE TRANS. BUY ONE FROM HONDA, 3 YR WARRANTY AND AS CHEAP AS A REBUILT TRANS. HAVE A QUALIFIED PERSON INSTALL, YOU WILL SAVE ABOUT $500 DOING IT THIS WAY. GOOD LUCK