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I have a 2000 honda accord se 4 cycle getting the code p0740 strange nose coming from the ****** like a winding nose and this morning it wouldnt take drive or move forward only back wards but after i got home still making the nose but drives and slips a little

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Try reading this, it may answer your question. http://www.delawaretrans.com/2012/11/po740-torque-converter-clutch-circuit.html

Posted on Nov 08, 2012

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  • Cars & Trucks Master
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The P0740 means Torque Converter Clutch Circuit. Hope this can help you!
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Posted on Nov 08, 2012

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Posted on Jan 02, 2017

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SOURCE: 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

Posted on Mar 25, 2009

  • 20 Answers

SOURCE: automatic transmission slipping 1994 honda accord

check fluid if no then get a new tranny

Posted on Apr 05, 2009

dsacco86
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SOURCE: 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.

Posted on Apr 19, 2009

  • 176 Answers

SOURCE: p0740 code on 2000 Honda Odyssey

Code p0740 is a problem in lock up control solenoid assembly, Check whether scan tool indicates another code. Does the scan tool indicate another code? YES - Perform the Troubleshooting Flowchart for the indicated Code(s). Do not continue with this troubleshooting until the causes of any other DTCs have been corrected. Measure the line pressure. Is the line pressure within the service limit? Repair the hydraulic system as necessary. Replace the Lock-up Control Solenoid Assembly set lock-up control solenoid valve/shift control solenoid valve A assembly and the A/T clutch pressure control solenoid valve A/B assembly. Turn the ignition switch OFF, and reset the PCM memory by removing the BACK UP fuse in the passenger's under-dash fuse/relay box for more than 10 seconds . Using the scan tool, check to be sure that the engine coolant temperature is 176°F (80°C) or above . Drive the vehicle at 55 mph (88 km/h) for more than one minute . Recheck for code P0740. Does the OBD II scan tool indicate code P0740? YES - Remove the torque converter and inspect for a missing torque converter O-ring. If the O-ring is damaged or missing, replace the transmission and torque converter. NO - The system is OK at this time.

Posted on Jun 11, 2009

  • 72 Answers

SOURCE: I have an 2000 honda accord ex v6 3.0 with reverse gear

IT sounds like your reverse gear is going out, or that you need to have filter replaced my best advise is have your transmission checked out by a transmission shop as soon as possible.

Posted on Sep 14, 2009

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P0740 honda odyssey


P0740 Honda - Transmission Lock-Up Control System Fault Possible causes
- Low transmission fluid level
- Dirty transmission fluid
- Faulty torque converter clutch solenoid valve
- Torque converter clutch solenoid valve harness is open or shorted
- Torque converter clutch solenoid valve circuit poor electrical connection

Tech notes
On some Honda vehicles the P0740 code may be set by an overheating torque converter problem which is caused by an insufficient flow to the torque converter release circuit.

P0740 Honda Description
The torque converter clutch solenoid valve is activated, with the gear in D4, by the Transmission Control Module (TCM) in response to signals sent from the vehicle speed and the Engine Control Module (ECM). Lock-up piston operation will then be controlled. When the torque converter clutch solenoid valve is activated, the torque converter lockup clutch will engage creating a 1 to 1 RPM ratio between the transmission input shaft and the rotational speed of the torque converter.
Lock-up operation, however, is prohibited when A/T fluid temperature is too low.
When the accelerator pedal is depressed (less than 2/8) in lock-up condition, the engine speed should not change abruptly. If there is a big jump in engine speed, there is no lock-up.

Dec 04, 2013 | 2000 Honda Accord

1 Answer

2000 Honda Odysee P0300 - P0306 and P0740, TCS all at once.


You can get a reman trans for about $2500 or rebuild yours
for $1700 locally

The misfire could be spark plugs & a couple of ignition coils
you do for $100

Egr about $80 you do

You need the trans diagnosed at a trans shop & road tested

Nov 22, 2012 | 2000 Honda Odyssey

1 Answer

I had a honda accord 2000 p0740 tcc switch fault


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Aug 16, 2010 | 2000 Honda Accord

2 Answers

I have a 1997 Honda Accord SE 4 Cylinder with a check engine light on. I had a mechanic run a diagnostic and it came back with code p0740, torque converter clutch circuit malfunction. What does this mean?


The torque converter is a key functional part of the automatic transmission. The car computer detected a malfunction and set the P0704 code. Most likely you have over 100k miles already so it could be problems with the transmission. Most mechanics will reset the light and code if you are not having any transmission problems. It the problem comes back you will need to service or replace the transmission. Best thing to do is to take the car to a mechanic you trust and find the best and cheapest way to address the malfunction.

Dec 31, 2009 | 1998 Honda Accord

1 Answer

2002 Honda Acord 4 cyl Se. P1166 and P1167 Fixed


You can try resetting the system (clear the codes) by removing, with the key off, the number 13 fuse (7.5 amp)(CLOCK/BACKUP) from the fuse/relay box (end of the instrument panel, passenger's side) for 10 seconds. If the code comes back, you still have a problem.
Hope this helps you.

Nov 10, 2009 | 2002 Honda Accord

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

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

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

2 Answers

What should be my first step, for fixing a P0740 code on a 2003 Honda Civic LX?


That code, P0740, is a torque converter clutch circuit malfunction, according to the published OBD2 fault codes. You may be able to clear the code by disconnecting the battery for an hour or so. I'd start by doing that, and then drive the car to see if the code comes back. Even if you don't have a code reader, if the car is driving strangely, and you clear the code with a disconnect of the battery, you can tell if it comes back when your check-engine light illuminates and the strange driving conditions return. Sometimes a momentary glitch in the car can trip a code, even if there isn't a real failure, and a reset will clear it for good. If you have a consistent code that returns, then it's time to dig deeper. See if disconnecting the battery for an hour or so clears the fault light and code, and if it comes back. If the disconnect doesn't clear it, you could have a shop clear the code with a scanner, and then see if it returns. Post up what happens and we can continue to figure out the problem.

Jul 23, 2008 | Honda Civic Cars & Trucks

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