Question about 2000 Nissan Maxima
P0740 Torque Converter Clutch Circuit Malfunction, ok what does this mean? in many cases this code can be a result of a sticking converter solenoid due to worn out transmission fluid, the trans fluid and filter must be changed every 60,000 miles, if that has not been done have the service done and clear the code, if it comes back the next step is to replace the TCC (torque converter clutch) solenoid inside the trans, it is attached to the valve body of the transmission, u have to pull the pan off to change it, when u have the trans service done u might as well replace that solenoid and inspect the wiring to it, this is a dealer part, once u have the new solenoid u can quickly ID the part inside the trans, If you don't want to do this really messy job just have the shop doing the transmission service do the solenoid replacement. Keep your fingers crossed that this clears the problem, if i t comes back it means removing the transmission and replacing the transmissions torque converter for a shorted magnetic clutch and replacing the solenoid again..
Posted on Oct 07, 2009
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Posted on Jan 02, 2017
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