What does the code p0740 mean? - 2000 Honda Accord

the codes are OBDll and are available on line free.
Example P0740 The diagnostic trouble code or DTC P0740 stands for "Torque Converter Clutch Solenoid Circuit/Open Circuit Malfunction.
P0753 The P0753 code indicates that the shift solenoid in transmission shift solenoid A, which changes the gears based off commands from the power train control module



all codes are transmission related.

Code P1870...What does it mean??? - GM Forum - Buick, Cadillac ...

www.gmforum.com > ... > 1992-199
Jun 9, 2005 - Location: Bloomington-Normal, IL 1997 SE ... Default Code P1870...What does it mean??? I got a CE light the other day, and this is the code that was read word for word: P1870 ... No TCC solenoid electrical DTC P0740 ... Code P1870 & Speedometer error, Hi_tork, 1992-1999, 4, 10-16-2011 04:08 PM.

On some cars, there is a TCC solenoid in the transmission which can be replaced by removing the bottom pan. In some cars this solenoid can't be accessed without major disassembly.

for P0740 it is:
OBD-2 P0740 - Torque Converter Clutch Circuit/Open
OBD 2 net TCC malfunciton P0740 OBD II Code

P0700 means a indicative transmission malfunction, allways this code appears with other, in your case, P0740.
The P0740 code pertains to the TCC solinoid in the transmission, and often comes and goes, so it may not reappear for some time... enough for you to get through the inspection before you decide to have the transmission diagnosed. 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.

Hope helps.

P0700 simply means there is a fault code present in the transmission module (TCM). P0740 Torque converter clutch circuit. This is usually caused by a worn out torque converter clutch which would involve replacing the torque converter and yes it would be expensive to repair if that is the cause. Diagnosis is usually made with a scanner and other equipment.

P0740 Torque Converter Clutch Circuit Malfunction

As for p1624 this code is for the accent only.
p1613 means the same thing but for the elantra, the
code means malfunction indicator light(mil) signal
circuit input high volt. p0137 means ho2sensor high
voltage (fuel pressure out of range high) p0732 is a
transmission code. It means that due to a malfunction in the trans. circuit, the trans. will operate in limp mode meaning you have reverse and
one forward gear in this case 2nd gear. That brings
us to p0740 this code indicates a malfunction with
the damper clutch control solenoid at the trans. this
would cause the p0732 limp mode. But if your car
is not showing any of these problems, the cause may
be the engine control module or the transmission
control module. But this would have to be checked
with the proper test scanner. Hope this helps.

P0740 is Torque Converter Lock-up Solinoid Valve.

problem could be solinoid. but at same time it could be dead transmission.
this was taken from google litterally the 1st thing that popped up when i typed "p0740 honda accord"

torque converter lock-up solenoids are at the top of the transmission on the OUTSIDE. The two came off with three bolts and the screens on mine were clogged with "lint".