Question about 2001 Honda Civic

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Honda 2001 error code P0740 problem Check engine light. What do I need to do correct it? How much will it cost me to correct the problem so i won't get rip off?

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P0740 Trany converter clutch system failure
Since this is also a trany problem, test this code by getting a complete wiring diagram of the trany electronic circuit. Once you have it and identified the location and colors of the torque converter solenoids/module, it is a matter of measuring the resistance of the TCC solenoid and comparing it to all solenoids. If defective, it is will either show open or shorted connection. Don't forget the basics like checking the wires for integrity of insulation and routing (making sure the wires are not rubbing a metal or being burnt by the exhaust). If there is a chance that the solenoid needs to be replaced, drop the trany oil pan so you can verify for signs of debris.
TIP:
To manually test your TCC solenoid before replacing it, you can feed direct battery voltage on the supply side of the solenoid and you should hear it click. Also try to test the connections between the TCC module and the engine module.

Posted on Feb 11, 2010

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Po740 I believe is a o2 sensor code but I am not for sure on that. You can go buy Auto Zone or Advanced Auto Parts and they will pull the code out of your computer for free.If you can't change the part yourself then just purchase it and have a trust worthy garage to install the part. The big mark up is when a garage gets the part you need because they usually mark that part up 20 to 40% to make money, sorry the truth is the truth. Hope this helped you out.

Posted on Feb 07, 2010

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This code on a honda indicates a slipping transmission. No, it doesn't define the code as such. But every honda I've seen with this code has burn't fluid due to slipping. And there is no pan on this transmission to drop. Honda electronics are outside of the unit.
Alan, CAPS Transmission

Posted on Jun 28, 2013

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1 Answer

Check Engine Light P0740. Car stalls when starting (occasionally), and the transmission slips when stopped.


This code is set when the transmission control module detects improper voltage at the torque converter clutch. This can be caused by low tranny fluid/dirty tranny fluid/defective torque converter clutch solenoid/electrical connections to from solenoid

Nov 09, 2015 | 2001 Infiniti QX4

2 Answers

I have been getting the code p0740 it says something about the torque converter clutch circuit. it doesn't seem to be going into over drive. dose anyone have any suggestions I can try.


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.

Jun 04, 2015 | Cars & Trucks

1 Answer

The maintenance required light comes on and stays on. The year is 2000. I had a parts store scan it to see if they could tell me the problem. The gave me the code P1456 and P0740.


check all fluids and belts engine running cool forgt the lite pull bulb or put dark tape over it unless you have money to bujrn

Feb 24, 2011 | 2001 Honda Odyssey

1 Answer

What does error code PO740 for the check engine light mean


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"

Oct 10, 2009 | 1997 Honda Accord

1 Answer

I have a 20001 Odyssey with 70,000. The check engine light and TCS light both came on. The TCS light has since gone out but the check engine remains. I went to an auto parts store and their computer came...


unfortunately it is. Contact your local dealership to see if it may still be covered under a warranty or not.

Customer Concern: The check engine light is on with the trouble code P0740 present. Tests/Procedures: 1. Test drive the vehicle and watch the tachometer. See if the automatic transmission locks up. If unable to see the RPM change, and the Engine Control Module (ECM) is turning on the lockup solenoids, then the problem has to be internal to the transmission. The transmission has an extended warranty from Honda for 7 years or 100,000 miles. Potential Causes: Automatic Transmission
Lock-Up Solenoid
Torque Converter
Tech Tips: TSB #02-062 Diagnostic Codes: P0740

Oct 10, 2009 | 2001 Honda Odyssey

1 Answer

2001 HONDA ACCORD CODE P0740 TRANSMISSION


Horsecrap...go to an independent transmission dealer after you call the extended warranty folks and complain!
I can count the number of Honda transmissions that go bad before 300,000 miles on one hand.
Good Luck

Jun 22, 2009 | Honda Odyssey Cars & Trucks

2 Answers

P0740 code showing in my 2000 Honda Odyssey


P0740 Torque Converter Clutch Circuit Malfunction
The problem could be the torque converter itself or the sensor circuit for the clutch.
Best to have a Transmission Expert look at it to see if any further damage has occurred.

Apr 19, 2009 | 1999 Honda Odyssey

1 Answer

Honda torque converter clutch solenoid circuit


P0740 is a Torque Converter Clutch Circuit Malfunction, you will need to have just this circuit tested, it is mostly just a defective Torque converter clutch solenoid in the trans or a defective connection to the trans, u do not need another overhaul.

Apr 06, 2009 | 2001 Honda Odyssey

1 Answer

2000 Honda Accord Check Engine light on p0740


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

Mar 16, 2009 | 2000 Honda Accord

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