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P0740 Torque Converter Clutch Circuit Malfunction

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P0740 Torque Converter Clutch Circuit Malfunction Jim 5-10-04  
I have a 1997 Dodge 2500 conversion van and the check engine light came on and it is giving a code of P0740 - Torque Converter Clutch Circuit Malfunction. I have noticed that it is now having a problem shifting up from 2nd to 3rd gear. Any help on where to start? I just bought this van 2 months ago and I am not familiar with dodges.
Thanks
Re: P0740 Torque Converter Clutch Circuit Malfunction John Dallas 10-19-07  
I have a 2001 Infinity I30. I continue to pull code p0740 showing the TCC Malif. It's the only code in the system.I reset the code three time but it keeps returning.What could be the cause of this single code, and is the Infinity different from other autos with this code?
Re: P0740 Torque Converter Clutch Circuit Malfunction george 10-19-07  
I have a 2001 grand caravan witch was giving me the po740 i changed it but it is still giving the code now i have a po700 also
Re: P0740 Torque Converter Clutch Circuit Malfunction Vilson 11-23-07  
1997 BMW 528i
Same code, same problem, P0740.

I think I have to change TCC solenoid, tranny and oil filter.
Re: P0740 Torque Converter Clutch Circuit Malfunction Rick 9-17-07  
I also have the P0740 cose showing on my 1997 GMC Jimmy. In addition to the P0740 code I am getting a P1860 code as well. Anyone have any ideas?
1995 pontiac goes in reverse only molly 6-4-07  
Can a parking brake or other brake malfunction stop a car from going forward, and only go in reverse?
Re: P0740 Torque Converter Clutch Circuit Malfunction Rudolf Gajit 4-29-07  
I have a 2001 Honda Civic. It seems to me that this problem is common to most Honda Civic of 2001. Did anyone know if someone initiated a law suit against Honda for this common problem? I believe Honda should recall all cars having this problem and they should pay for this early damage. My mechanic already changed the lock-up solenoids. It worked a day and then came back up. Now the check engine light went off but the code still exist but the car seems normal but it isn't, I believe. Dealership said change Transmission $2793.00.
Re: P0740 Torque Converter Clutch Circuit Malfunction Joel 5-10-07  
If you get the P0740 code it means there is a problem with either the torque converter or the control system for the torque converter in your car. It might be such a slight problem that you dont notice anything, or it may be totally undriveable. It depends on what part of the system failed and how badly it failed. To fix it, it can be anything from a simple fluid and filter change (to get debris out of the fluid that might be clogging the solenoid up), or it could be an electrical problem (such as the solenoid, or wiring) or it could be the torque converter itself has failed (which would mean the entire transmission is likely ruined from the debris). It IS definetly a difficult problem to diagnose, and impossible to diagnose without taking anything apart (or at least test driving it with some diagnostic equipment). Starting with the basic (inexpensive) stuff like a fluid flush and filter change and working your way up from there is usually the best way to go, as long as the car is still driveable. Hope that helps (since everyone else only seems to know how to ask the same question over and over and nobody ever posts answers on here).
P0740 Torque Converter Clutch Circuit Malfunction Eunice 12-5-07  
Please help I just got this Kia 97 with 119000 on it. I got this code when I went to get it inspected. My check engine light doesn't even come on when I turn on the ignition. i am so confused. I hope I dont have to buy a new engine. Please help me. I need this car for college, I cant get to my school without it.
Re: P0740 Torque Converter Clutch Circuit Malfunction Brandon 9-5-07  
I have a 1997 Honda Accord with 177k miles and it just through on the Check Engine light for the P0740 code! What can I do to get this problem fixed??? The car drives fine no hesitation or any problems shifting??? What will make this problem go away?????
Re: P0740 Torque Converter Clutch Circuit Malfunction Michael Hurt 1-26-08  
I've got a '97 Intrepid and some time's the transmission will slip and other times it run's just fine?It failed inspection because they said that it needed a PO740 Torque Converter Clutch Circuit and a PO700 What to do.
Re: P0740 Torque Converter Clutch Circuit Malfunction Amar 8-10-08  
I just bought a 1999 Honda Accord V6 with 107k miles. The engine light came on as I was driving it home from the sellers place. I had the code checked at Autozone and its a P0740 which states that TCC does not engage. I have read a lot about transmission issues with 99-03 Honda Accord and I am afraid that my dealer will ask for a tranny replacement. I know the previous owner didn't change tranny oil or flushed it for a long time. Would a simple tranny oil change do the trick or would it be more complicated than that?
Re: P0740 Torque Converter Clutch Circuit Malfunction hondainfo 8-12-08  
For all Honda Owners with P0740 Torque Converter Clutch Circuit Malfunction:

Make sure you report the problem to the National Highway Transportation Safety agency (www.nhtsa.gov). Also-research the web and you will find hundred similar complaints and a successful class action lawsuit in California against Honda for 1999-2001 Accord transmissions that showed the same malfunction code. The California settlement required Honda to repair transmissions and extend warranties up to 109,000 miles and 93 months.

Contact American Honda with these facts and ask for a "goodwill" repair as there appears to be an inherent defect in these transmissions (apparently also in the 2002 and 2003 Accords). Keep good notes of who you talk to and what you say and keep escalating until you feel all is fair. And report ALL to the NHTSA. The only way to help everyone get relief and keep things safe it appears is to petition the NHTSA to investigate and order a recall and reimbursement for any cost to you and an extension of the warranty.

Depending on the mileage, webstories indicate that American Honda has picked up at least 50% of the cost for replacement of the transmission. Yes - in many of these cases it appears the transmissions have to be replaced.

Depending on the mileage and condition of your car, and armed with facts from the web, Honda should pick up 75% + of the cost. Really- the NHTSA in my opinion should order a recall and require Honda to pick up at least 95% of the cost for many low mileage vehicles. Dealing w/ American Honda can be frustrating as there is little transparency to the process and they balk at putting anything in writing and they won't always let you know to whom you can elevate the dispute further. Again - report ALL to the NHTSA and to these websites. Sitting down with your local Honda Service Manager can also be helpful as they want your return business. Just stay honest, reasonable and fair.
Re: P0740 Torque Converter Clutch Circuit Malfunction rocco 8-14-08  
Hi i got a 2001 vw jetta 1.8t the mil light is on and got code p0740 tcc circuit malfunction just wondering what i should do or something i can look at before taking it to the mechanic
Re: P0740 Torque Converter Clutch Circuit Malfunction ELMER THOMPSON 6-8-08  
I have a 1998 Dodge Ram 1500 4X4 auto
pick up truck. The other day the check
engine light came on. Ran a Diagnostic
test came up with code P740 (TCC) torque converter clutch. My question is do I replace the TCC and TCCC.
Re: P0740 Torque Converter Clutch Circuit Malfunction luigi 4-16-08  
I have the same problem in My grand cherokee 2001... P0740 alone with no other codes..... I change my oil and filter and the laight come on again and the same code.... so if you are goint to chage the oil thinking it would fix the problem DONT do it..... If anyone else have another solution please tell me.....
Re: P0740 Torque Converter Clutch Circuit Malfunction ray 3-9-08  
I replased my engine in my 99 durango used the same torque converter bolts hod to take them out once more and fluid started to come out of the bolt holes of the tcc a mechanic told me i should of used shorter bolts and added that my tcc is most likeely shot shortly after that p0740 code came on so maby if you replaced every thing elce the tcc is shot in maby
Re: P0740 Torque Converter Clutch Circuit Malfunction Erika 3-19-08  
I have a 1998 Honda Accord and got the P0740 code. What is it? How do I get it fixed? Do I really need a new transmission?
Re: P0740 Torque Converter Clutch Circuit Malfunction cris 4-14-13  
My check engine light came on just had my tranny rebuild like 6 months ago runs grate but I diagnosed it and read clutch converter solenoid but it's weird Because my truck runs like new if it was messed up don't u think my truck will shut off or something can sumone help me who r having the same problem thanks guys
Re: P0740 Torque Converter Clutch Circuit Malfunction kamster 4-5-07  
I have 2003 Chrysler Town & Country LX. This is also my problem, chk engine light came on, having p0740 code along w/ p0700. My transmission doesnt skip or anything. Went to 3 transmisson places, 1st said its soloniod, 2nd said dont worry, 3rd said whole transmion needs to be rebuild. I dont know who to trust.
Any help, please email me.
Re: P0740 Torque Converter Clutch Circuit Malfunction Lee 6-21-06  
I am also having this problem with my 2000 Dodge Grand Caravan. Is this covered on any warranties?? What is an approx cost to fix?
Re: P0740 Torque Converter Clutch Circuit Malfunction Corrie 8-8-06  
Same problem. I failed the state inspection because of this code in my 2001 Honda Civic; I was told that the torque clutch had failed. I took it to the dealer and to AAMCO to see how much it would be the "rebuild" the transmission, because that is what I was told to do; I was told $2200-3500. I wonder about this because most Hondas do not have major problems like this when only 5 years old, and oddly enough, my check engine light went off today! Is this an outrageous price? What is an average price? Thanks!
Re: P0740 Torque Converter Clutch Circuit Malfunction cindy 9-16-06  
I have a honda accord 1997 and the check engine light came up about three days ago. I took to get check and the code P0740 Torque Converter Clutch circuit malfunction what came i do to fix it?
Re: P0740 Torque Converter Clutch Circuit Malfunction Chris 12-13-05  
I am having the same problem with my 1998 Dodge Durango SLT 4X4.
Re: P0740 Torque Converter Clutch Circuit Malfunction Bill Kraft 6-29-04  
My 1995 Pontiac Transport transmission suddenly quit. It has a little driving power in reverse and 1st gear. All other gears and drive are gone!
I connected an AutoXray scanner and received a message P0740, which indicates a problem in the Torque Converter Clutch circuit. I'm not sure if this interprets as 'electrical' or 'hydraulic' circuit? The vehicle has 143000mi and the transmission fluid looks dirty brown/black and smells a little like plastic. Since there is a little power in 1st and rev, could it be a plugged filter or bad TCC solenoid? Are these hard to get at?
I appreciate any advice, thanks.
Re: P0740 Torque Converter Clutch Circuit Malfunction Phil Feinstein 5-11-04  
That's about as obscure as it gets. Here's what I can give you:

The way the TCC (commonly called a "lock up" converter) works is that the speed sensor tells the fuel computer when the vehicle is moving faster than 40 or 45mph. The fuel computer then tells a solinoid inside the transmission to open or close, which builds pressure inside the torque converter clutch, which causes the torque converter to "Lock". On Ford vehicles, there is nothing electrical beyond the solinoid, so if a torque converter fails you may just get this type of code (the fuel computer knows approximately what RPM the engine should be spinning at with the lock up engaged) Here's where I'm confused:

P07XX is specific to transmission problems and there are at least 90 of these codes that tell you specifically what is wrong with your transmission. If you are missing the 2-3 shift you should have a code set for that. If lock up doesn't engage there's a code for that. You shouldn't be seeing P0740 all by it's lonesome.

Here's what I'd suggest: Check the condition and level of the fluid. Fluid should be "Pink with no stink" and it should be within an 8th of an inch of the top marking on the dipstick. slightly underfull is always better than slightly overfull. Visually inspect all the wires going to the transmission, check for wires that wiggle in the socket and corrosion. Check the speed sensor and it's wiring. Have *SOMEONE ELSE* pull the codes from you computer and ask them to get *ALL* the codes (slow and fast).

Hope that helps!
Re: P0740 Torque Converter Clutch Circuit Malfunction norman 5-11-04  
Some problem areas to look at, vss that screws into tail housing, trans relay at fire wall, you loose od and tcc, also brake light switch big problems does not disengage tcc, sets code, this is not your problem but gov psi solenoid has high failure rate
Re: P0740 Torque Converter Clutch Circuit Malfunction quinton hale 9-29-06  
I have an 1999 acura cl 3.0 and the check engine light came on and it is giving a code of P0740 - Torque Converter Clutch Circuit Malfunction/ open circuit. i just want to know what the problem is and how i can get it fixed.
Re: P0740 Torque Converter Clutch Circuit Malfunction Baltazar Jimenez 10-26-06  
I have a 96geo tracker 2wheel drve thats giving me the po740 cde.It comes up as the elctrical circuit malfunftion on my tc.The gentlman that checked it out for me could nt tell me if it was a wiring problem or relay or the actual torque converter. By diagnosing the problem i came to the concluion tht it was a wiring problm. So i checked out the harness on my transmission and disconnected it and found nothing wrng except the snap was broken. Went ahead and reinstalled and drove it and engin lght was still on. the reason I say it seems to be a wiring problem is because Im nt having any problm with my shifting or stlling out every thing seems to runng ok.Following day light goes after messing with my battery cables of which i also replaced the post on, light off fr one day and this mrning came back on. Can someone tell me if this is my electrical harness to my transmission or something in the area of my battery cables.
Re: P0740 Torque Converter Clutch Circuit Malfunction Diane 2-1-07  
My 1998 Honda Accord check engine light came on, went to dealer, code PO740 Torque conv. clutch circuit malfunction, said I needed new transmission for $3200.00. Since this diagnosis, The engine light goes on/off intermittently; car intermittently drives normal, has slight hesitation/surge, then drives normal for days again. I'm baffled. Is it possible this is a wiring/electrical circuit problem rather than an actual transmission problem since the car drives ok? Only code that comes up is PO740 alone, no detailed transmission problem codes that is why I'm suspicious it could be wiring/electdrical,grounding issue instead...My car has 93,000 miles...would it hurt the car to have the transmission fluid changed at this point to see if the light stays off? I hate to spend that kind of money for trany if it isn't necessary. I have done a lot of research and Honda has had TONS of trouble with the 1998 accord trany, but they refuse to help or recall. What do you suggest??
Re: P0740 Torque Converter Clutch Circuit Malfunction Daniel 2-12-07  
Well I have the same problem in a Grand Cherokee Limited 2001, I'm going to check the trans fluid first then the solenoid, Does somebody know where to find more info.
Re: P0740 Torque Converter Clutch Circuit Malfunction Paula 3-3-07  
I have a Honda Civic 2001 with 90,000 miles. The light started going on and off for the last month, I finally found that the it's a problem with the code P0740. The car doesn't seem to have any transmission problems; it drives normal. I'm afraid that the mechanic will tell me to change the transmission. Is there anything that I can do myself? Any info will be greatly appreciated.
P0740 Torque Converter Clutch Circuit Malfunction Hop Nguyen 1-13-07  
I have a 2001 Honda Odyssis and the check engine light came on and it is giving a code of P0740 - Torque Converter Clutch Circuit Malfunction. I have noticed that it is now having a problem shifting up from 2nd to 3rd gear. Any help on where to start?

Thank you,

Hop Nguyen
Re: P0740 Torque Converter Clutch Circuit Malfunction Stephanie Brumback 11-23-06  
I have a 2002 Jeep Wrangler my check engine light came on a wk ago. When I had it checked out the code P0740 TCC showed up. How serious is this? What has to be done to fix it and approx. how much will it cost?
Re: P0740 Torque Converter Clutch Circuit Malfunction Jose 11-14-06  
1999 dodge dakota
Re: P0740 Torque Converter Clutch Circuit Malfunction Cory 11-16-06  
I have a 99 civic and the check engine light came on. P0740 was the code, and I'm reading where several people are saying they needed a new transmission because of this. But my car is acting normal -- nothing seems wrong. I've had this light come on twice before and the mechanic just changed the transmission fluid. It lasted about 10,000 miles without coming on again after that. Any help, or am I doomed to need a new transmission?
Re: P0740 Torque Converter Clutch Circuit Malfunction Juan Perez 8-27-08  
Hi:
I repair my transmission 4 month ago. The mechanic put all new kit an selenoid. Now I have a code P0740. We put a new selenoid, new oil, oil cooler, he check all electric cable and put a new ground. We reset the code and turn on again the code 0740 what else I have to do. The mechanic told me that I have to change the converter. Is true? The Jeep before the light turn on was running at 70 mph at 2100 rpm now is like 50 t0 100 rpm more.

thansk for your help
Re: P0740 Torque Converter Clutch Circuit Malfunction Rudolf Gajit 4-29-07  
I have a 2001 Honda Civic. It seems to me that this problem is common to most Honda Civic of 2001. Did anyone know if someone initiated a law suit against Honda for this common problem? I believe Honda should recall all cars having this problem and they should pay for this early damage. My mechanic already changed the lock-up solenoids. It worked a day and then came back up. Now the check engine light went off but the code still exist but the car seems normal but it isn't, I believe. Dealership said change Transmission $2793.00.
Re: P0740 Torque Converter Clutch Circuit Malfunction Laura 6-30-10  
I have a 2002 Jeep Liberty sport, We had our transmission serviced about a month ago because we try to keep it maintained. Within days of having that done, i started having problems. Seems we got through the problems eveything is running great. About a week ago the check engine light came on. Went to get it inspected and it failed with code P0740 Torque converter clutch circuit. Now I have to take it to a dealer, I know they are going to tell me a lot is wrong although it runs great. What should I tell them to look at before costing me an arm and a leg?
Re: P0740 Torque Converter Clutch Circuit Malfunction jimm 9-20-10  
Po740 how do i fix it
Re: P0740 Torque Converter Clutch Circuit Malfunction Mahmoud A.Al-Sha'er 10-4-10  
Dear Sir:
I have Rio kia 2002 car. it give me check inj coded P0740. I make up over all repair of the gear, and also the circuit.
It still give me this code.
I have no idea what can I do since I made everything possible.
Is this problem serious ?
Is it Electrical?
How can I fix it?
Is it a computer programming problem?
Re: P0740 Torque Converter Clutch Circuit Malfunction Chris_V 6-23-10  
My Honda Odyssey 2000 with 109K miles had the check engine light come on after a 600 mile round trip last August and I was getting the smell of burnt transmission fluid whenever I slowed down to city driving speeds. Did a code check, OBDII gave P0740 code, took it to Honda dealer they said I should change transmission, as it was out of warranty, they said Honda would not defray the cost. I took the van to Meineke and they did a transmission flush and filter change and the error went away. Today I was driving the minivan again at highway speed on a 500 miles round trip and the check engine came on, I stopped at an Advance Auto Parts store and they used the code reader and it showed P0740 code again, I am also again smelling burning transmission fluid. The van is running smoothly at highway speeds and responds immediately when I press the pedal, but when I come to a stop and start again, it has a jerky start like there is a slippage on a wet road. What could be the problem, anybody has had similar experiences? What worked and how much did it cost? Thx!
Re: P0740 Torque Converter Clutch Circuit Malfunction jose argurta 5-30-10  
I have a 2000 Dodge caravan conversion van and the check engine light came on and it is giving a code of P0740 - Torque Converter Clutch Circuit Malfunction. I have noticed that it is now having a problem shifting up from 2nd to 3rd gear. Any help on where to start? I just bought this van 2 months ago and I am not familiar with dodges.
Thanks
Re: P0740 Torque Converter Clutch Circuit Malfunction KABIRU 11-19-09  
I have acura TL 3.2.transmition code.can u help to tell me the problem.
Re: P0740 Torque Converter Clutch Circuit Malfunction Tiara 3-1-10  
I have a 1997 dodge caravan and it slips we hooked it up to the computer and it says code P040 and that the torqu Converter circuit is open i have looked everywhere and all i can find is information about locking up. somebody help
Re: P0740 Torque Converter Clutch Circuit Malfunction N Liyanage 4-3-10  
I would like to study about hydraulic cluth circuit of a car. please help.
Re: P0740 Torque Converter Clutch Circuit Malfunction jim crissman 11-19-10  
Code P0743 Can a back yard mech fix this. buy droping pan removing sensor.
Code says Torque converter clutch circuit electrical. If so what is the part called.
Re: P0740 Torque Converter Clutch Circuit Malfunction james benton 12-9-10  
I have a 1997 dodgeram1500 5.2 liter eng4x4.i have replaced one solenoid.but still get code 740 tcc malfunction.It kinda slips from 2nd to 3 rd gear then when in overdrive at 55 mph the rpm go up and down.The torqueconvertor is locking up I have tried going 55mph and tapped the brake the rpms go up then back down any info would be helpful thanks
Re: P0740 Torque Converter Clutch Circuit Malfunction judy 9-28-12  
My engine light is on will it call damage to the truck if I run the gear change good so far and at time the engine light go out it a 2006 dodge dokata V6,. thank you oh by the way can I still drive the vichele One guy check it out he saying it a tcc control circuit but, he do"t where it is locate on the vichle.
Re: P0740 Torque Converter Clutch Circuit Malfunction eulises 3-7-13  
Tengo una 2001 dodge grand caravan sport se prendio la check engine ligth
como 7 days ago y ayer en la tarde la van ya no quizo caminar solo se siente como si quisiera caminar cuando la aceleras pero no camina solo se mueve poquitititito y ya alguien tiene una esperiencia y sabe q podria ser?
Re: P0740 Torque Converter Clutch Circuit Malfunction Ken 4-4-13  
Where can I buy one? what other name is it at the bmw dealer

Torque converter clutch soleniod sensor
Re: P0740 Torque Converter Clutch Circuit Malfunction felix 5-21-12  
I have 02dodge ram 1500 4x4,i replace
torqueconverter, torqsolenoid,.governorswitch, and,the code p0740 come back, what else can i try to fix my truck,???
Re: Po740 Torque Converter Clutch Circuit Malfunction felix 5-21-12  
I have 02dodge ram 1500 4x4,i replace
torqueconverter, torqsolenoid,.governorswitch, and,the code p0740 come back, what else can i try to fix my truck,???
Order vicodin vicodin 10-17-11  
Do you think anyone will be champion of Euro 2012?
Re: P0740 Torque Converter Clutch Circuit Malfunction wanda 11-7-11  
I have a 2000 VW Jetta and the could is P0740. It just started doing this and the light just came on. Any ideas of what I can do to try and resove this problem before taking it to a mechanic ?
Re: P0740 Torque Converter Clutch Circuit Malfunction mary 11-16-09  
How does the po740 tcc malfunction get repaired?
Re: P0740 Torque Converter Clutch Circuit Malfunction alexander 10-4-09  
I have a 2000 jetta vr6 and have a p0740 code and dont know what to do. the car wont move and dont have alot of $ to have this problem fixed? ive tried to fill the trans with fluid......no luck except the trans will engage for 3 sec then nothing and in 1st gear the axle will spin in the oppisite direction......its an automatic trans too.....???
Re: P0740 Torque Converter Clutch Circuit Malfunction Jeff 3-6-09  
1997 Dodge Dakota 5.2 MFI with the A518/46RE A/T OBD II code P0740...I just replaced the TCC Solenoid and reset the code 4 days ago and the check engine light came back on but the transmission isn't shifting rough like before or even hesitating between gears its running like its brand new...so why would the light come back on?
Re: P0740 Torque Converter Clutch Circuit Malfunction Steve 3-9-09  
I also have this error on my 2001 Grand Cherokee Special Edition. The DMV refused to even reinspect my truck when I brought it back (i didnt get it fixed). As far as I know, the transmission has nothing to do with emissions tests, which they then said it failed for. I guess I still need to get this fixed.

My truck does shift hard between 1st and second when i'm on side streets.
Re: P0740 Torque Converter Clutch Circuit Malfunction Josh 3-16-09  
Hey People,
I have Honda Accord 96 and 143k, It has got Engine Check Light yday. I took tht to my mechanic he just reset the Sound Code PO740. When asked for issue he was like we need to get it again so that We can properly fix the issue. My car is running fine!! No issues as of now!!! Transmission is running good. No issues as of now!!1
Re: P0740 Torque Converter Clutch Circuit Malfunction rob erto 3-1-09  
I have a jetta 99 when it was scaned the code P0740 came on ho can I test fo short or if is open along with the location of the selenoid.

help me please
and thanks
My 95 pontiac transport stalls alot kim 2-19-09  
I want to know why my pontiac transport van stalls alot
Re: P0740 Torque Converter Clutch Circuit Malfunction jason 10-27-08  
Hi i got a 2002 vw jetta vr6 got code p0740 tcc circuit malfunction just wondering what i should do or something i can look at before taking it to the mechanic and get ripped off. it lockes in gear but does not move at all.
Re: P0740 Torque Converter Clutch Circuit Malfunction Sam 1-14-09  
I have a read on a Volve S60 (24T) Torque Converter Clutch circuit. Search for more details to repair, or replace.
Re: P0740 Torque Converter Clutch Circuit Malfunction ALEX 2-16-09  
I have a bmw 740 il 1997 and the check engine lithg come on and the diagnostics says! P0740 Torque Converter Clutch Circuit Malfunction if u have any idea whats the problem pleasse let me know thanks. Alex
Re: P0740 Torque Converter Clutch Circuit Malfunction sabo 4-4-09  
I have the same problem like everyone else if anyone knows anything please fill me in.....my tans seems perfectly fine no problems at all except this stupid check engine light thats on.
Re: P0740 Torque Converter Clutch Circuit Malfunction Ryan 4-29-09  
1996 GMC Truck: 255,000 miles on it.
The truck would run fine for a few weeks then would "buck" for a few days when traveling down the highway. I drive 70 miles to work each day. I had the Torque Converter Circuit replaced a few weeks ago and the truck runs great. RPM used to be up around 2600 when going 80 mph, but now they are around 2200 RPM's at 80 mph. I had the problem for about 4 months, and ever since I had the TCC replaced no problems at all.
Re: P0740 Torque Converter Clutch Circuit Malfunction Debra Stone 7-30-09  
Had the same problem with my car turned out the computer was bad hope this helps you
Re: P0740 Torque Converter Clutch Circuit Malfunction alex 8-7-09  
I have a 2000 infinity I30 when the car is cold it drives very good no problems at all, after about 50 miles the car goes to neutral and wouldn't move at all. the code reads p0740. if anyone had this problem before please advice me. thank you
Re: Torque Converter Clutch Circuit Malfunction May 9-9-09  
I have a 2003 acura cls and today the engine light came on and it was diagnosed with TCC malfunction. What is this and how do I figure out what's wrong with my car.

Thanks,

May
Re: P0740 Torque Converter Clutch Circuit Malfunction Not2proud2beg 7-24-09  
I have a 96 Honda Accord LX with over 250k miles. The check engine light is on and I don't know what to do. I have already spend a lot of money trying to get the check engine light off, but I still have that problem. What can I do? Do anyone have the solution? Can someone please tell me something?
Re: P0740 Torque Converter Clutch Circuit Malfunction David 7-18-09  
I have a 1999 caddy sdn Deville iam geting the same code. P0740 is this a commond problem with caddy
Re: P0740 Torque Converter Clutch Circuit Malfunction Anthony Trombetta 4-29-09  
I have a 2000 Jeep Grand Cherokee Ltd V8 and I have 130,000 miles on the car and bought it new in August of 1999.

Do you have any idea how much this will cost to repair?

Thank you
Re: P0740 Torque Converter Clutch Circuit Malfunction michael suitt 7-1-09  
I hav 2000 Honda got 0740 code
Re: P0740 Torque Converter Clutch Circuit Malfunction Advisor 9-6-08  
Here is some advice for all, If the car stalls when you come to a complete stop, it s the selonoid the problem because it s sticking. My tranny place charged me 230$ Can to change the selonoid. Don t get screwed by the dealers. My Kia dealer told me I needed a new tranny, LOL Idiots. A nother advice, check if the alternator is giving out the right voltage and not under voltage, this will cause problems to the tranny, espacely hard shifts. A few tips for you guys.
Good luck.
Re: P0740 Torque Converter Clutch Circuit Malfunction keith 9-25-06  
I got the same code on my 1996 plymouth voyager. P0740 is the only code that shows up. is there a place i can get a diagram or pic of the tcc solenoid
Re: P0740 Torque Converter Clutch Circuit Malfunction laurentiu 10-13-08  
P0740 slip in overdrive,solenoids perfect condition,harness speed sensor,tcc solenoid good.wath i have to chek
Re: P0740 Torque Converter Clutch Circuit Malfunction Elvis 6-13-05  
Can you please tell me if my check engine light is on due to the TCC circuit malfunction, is this something that needs to me fixed ASAP or not? Also, is there something that I can can do to fix it instead of going to a machanic? If possible, can you send me some more info on this matter and illustration. Thank you very much for your time.
Re: P0740 Torque Converter Clutch Circuit Malfunction erica 7-24-06  
What does this code mean, i have a 1997 chrysler cirrus
PO743-Torque converter circuit electrical Darlene Huffman 8-1-09  
I Went to Get My Car Inspected and they said it read this code but they did not know what it was coul you please tell me what a torque converter clutch circuit electrical is.
Re: P0740 Torque Converter Clutch Circuit Malfunction Derrick 6-11-06  
I am having the same problem with my 2000 Chrysler 300 M!!! The engine light came on and the diagnostic machine is telling me "P0740- TOrque Converter Clutch Circuit Malfunction". When driving, I hear a loud noise from the bottom of the car. Something like.."someone knocking on a door (loud). Is this problem expensive to fix?
Re: P0740 Torque Converter Clutch Circuit Malfunction Joe 7-17-06  
I have a 1996 Geo Tracker that was throwing the PO740 code and I replaced the tcc solenoid and it was fine for about 400-500 miles and it started throwing it again. It will change out fine,but as soon as it goes into 3rd the tcc will engage even at 25-30 mph.
any help please?
Re: P0740 Torque Converter Clutch Circuit Malfunction joey 12-5-08  
I have a 1997 cevy s10 blazer if you put it in drive it seems like its stuck in 3rd if u put down in 1rst it shifts only in to 2nd i already put a brandd new tranny in...407 431 6118
Re: P0740 Torque Converter Clutch Circuit Malfunction JOE 7-30-06  
I HAVE A 96 GEO TRACKER AND IT HAS A P0740 CODE. HOW MUCH DOES A TCC SOLENOID COST AND HOW HARD IS IT TO INSTALL...ANY HELP YOU CAN GIVE ME WOULD BE GREATLY APPRECIATED...
Re: P0740 Torque Converter Clutch Circuit Malfunction Amanda 10-4-06  
My 1997 Honda Accord has the check engine light on. The fellow that services my car got the P0740 code. Is this something that needs to be fixed immediately? What do they usually do to fix it? My husband commutes about 50 miles to work one way and I am wondering if it will do more damage to the car if he is driving it with this problem. Thank you for your time.
Re: P0740 Torque Converter Clutch Circuit Malfunction Doris 1-5-07  
My 01 Civic has the same problem, and it started at 34k miles. At first the dealer told me that the entire transmission needs to be replaced, then they said that the torque converter needs to be changed... for $1700 plus labor. Neither the Honda dealership nor corporate have been of any help. And I need to pass my smog.
My mom's Accord did the same thing, and it had even less mileage than my car. Any idea why a Honda transmission would fail this early?
Re: P0740 Torque Converter Clutch Circuit Malfunction brian 4-16-07  
2000 grand caravan sport,obd codes 0700 and 0740,t.c.clutch circuit malf.,van rides normal,no hesitation or surge,normal gas mileage,trans fluid is pink,doesn't smell.Should i change the solenoid?Is it a d.i.y job?part cost?Any suggestions helpful...thanx alot
Re: P0740 Torque Converter Clutch Circuit Malfunction barbara cunningham 2-22-10  
I own a 2002 Dodge Grand Caravan Sport, Check engine light came on, had it tested and PO700 and PO740 were the test results. It runs great, no hesitation. What is the most inexpensive thing I can do to try to resolve this?
Re: P0740 Torque Converter Clutch Circuit Malfunction ener 9-2-08  
2001 chrysler town country 3.3 engine
but check engine light is on code p0740
Re: P0740 Torque Converter Clutch Circuit Malfunction TONYA 1-28-07  
I have a 1996 jeep grand cherokee laredo 4x4 and code po740 came up. what does this mean? how do you fix it? approximately how much does it cost?
Re: P0740 Torque Converter Clutch Circuit Malfunction Cindy Horton 5-18-11  
I have a 2001 Honda Odyssis and the check engine light came on and it is giving a code of P0740 - Torque Converter Clutch Circuit Malfunction. I have noticed that it is now having a problem shifting up from 2nd to 3rd gear.
Re: P0740 Torque Converter Clutch Circuit Malfunction brandon f 2-12-07  
I have a 97 jeep grand cherokee unlimited and mine has the same problem, except mine won't shift into 1st until 2300 rpm, and it clanks into 3rd if i don't give it lots of gas, i can't just let off the gas after 2nd or it will slam into 3rd. Now if i'm on open road where i can accelerate somewhat quick, it will shift fine with no clanking into 3rd. Is yours doing this?
Re: P0740 Torque Converter Clutch Circuit Malfunction Tony 4-1-09  
I have the code 740 on my Durango 2001,how I can fix it.Thank
Re: P0740 Torque Converter Clutch Circuit Malfunction Edward Stallman 12-30-08  
PO740 and PO700 codes what do I first look to fix.
Re: P0740 Torque Converter Clutch Circuit Malfunction Kim Kelly 7-17-07  
I am going threw the same thing with my 99 voyager. I just got the seloniod replaces and the light came back. Wonder what you have done?
Re: P0740 Torque Converter Clutch Circuit Malfunction dean 9-20-09  
Thank you for your responce i do appreciate any help i can get. and as inexpensive as it can be. again thanks for your reply

dean

louisville kentucky
Re: 1995 pontiac goes in reverse only Rich 5-22-09  
I had an olds cutlass that developed the same problem. Had it towed to a transmission repair shop. They replaced the torque converter with a rebuilt one and the problem was solved.
Re: P0740 Torque Converter Clutch Circuit Malfunction Raj 7-17-07  
2000 Honda Odyssey has the same problem. Looks like this problem is pervalent in Honda vehicles 2000 -2004
Re: P0740 Torque Converter Clutch Circuit Malfunction harry 5-5-08  
I'm getting following messeges:
P0740
Honda definition:
TCC does not engage
problem causes:
1) open or short circuit condition
2) poor electrical connection or
3) failed TCC system.

If anyone know about about this prob please email me back otherwise i need to spend lots of money for that.

Thank you

Harry
Re: P0740 Torque Converter Clutch Circuit Malfunction ARLES 1-20-11  
Brandon, this is a comman issue. One of Two thing. First try flushing the trans fluid with Honda atf. 9 quts total, drain trans. add 2.5 quts, start eng. move shi\fter through gears P-D1 then back to P. repeat 2 more times. Clear the code and test drive. if the DTC returns, it will need a transmission.
Re: P0740 Torque Converter Clutch Circuit Malfunction juan 1-26-12  
I have a s10 2002 showing codes p1860 and p0740 someone can helpme whth this to fix the problem?
Re: P0740 Torque Converter Clutch Circuit Malfunction Axel Jimenez 7-13-12  
Hi i have a 1999 civic ex with code p0740 & p0730 when the car drives it shift normal but it goes in to neutral, like ti gets stuck and it dont move
Re: P0740 Torque Converter Clutch Circuit Malfunction azul 8-16-08  
Did same resserch and you can start by cheking your fluid it mustbe pinkys colorabout 1/8 below the mark next check conecctions to and from transmission make sure no grounds,bad connections need to be properly clean and seal next the trany needs to be cheked check for a craked converter clutch replace if necesary, solenoids and valves in the trany need to be taken apart clean eachone of them ad new seals or replace if necesary ;if you dont have experties good luck you are going to have to takeit to a pro.
Re: P0740 Torque Converter Clutch Circuit Malfunction anthony 12-20-08  
Hi everybody, listen the torque converter might no be bad,its the switch in the transmission might be the problem.I only know on the chyrslers that its a plug on the front of the transmission the operates the torque converter.That plug is hooked up to the brain thats is in the transmission oil pan.You will have to take the pan off,then there are some bolts to take out and you will see the brain of the transmission.that works with the loc-up torque converter,and the brain works with making it go to the forwrard gears and reverse.Check it out and you will see.make sure you take the plug out first. Good luck
Re: P0740 Torque Converter Clutch Circuit Malfunction Roscoe 6-9-09  
I have a 2002 Jeep Grand Cherokee. I took my jeep to the Vehicle Emission Center and it failed the test due to code P0740. I took my jeep to a Jeep dealership for repair and when they pull the transmission pan, they
said it was the transmission
filters, which they replaced. They
reset the computer and the light went out for a couple of days. I took it back to the dealer and after running it through their diagnostic, I was informed this time that I needed to replace the Torque converter clutch solenoid, which I okay the work. The light week off for about a week and now it is back on again. I took my Jeep to another dealership, who said that they are picking up the following codes, P0218, P0868, P0867 and P0740 and due to the work already performed, they are recommending that I replace the transmission. So far, I have spent over $900.00 and other than the light being on, my Jeep seems to be running fine. Does any of this make sense?
Re: P0740 Torque Converter Clutch Circuit Malfunction adolfo orozco 3-31-10  
I have a 1998 dodge ram 1500 and the check engine light is on. it says torque converter circuit is open. i dont have a clue what that is? truck runs good
Re: P0740 Torque Converter Clutch Circuit Malfunction Paul 6-17-09  
I have a 98 Jeep Cherokee,4.0,4x4,RHD.
Error code PO740 (torque converter clutch circuit malfunction)came up on my scan tool. What would need to be done to fix this and is it a big problem?

Thanks Paul
Re: P0740 Torque Converter Clutch Circuit Malfunction brian 12-21-10  
Ive got a tcc po740 code. how do i fix it?
Re: P0740 Torque Converter Clutch Circuit Malfunction brian 12-21-10  
I have a tcc code po740. what does it take to fix it?
Re: PO743-Torque converter circuit electrical marwin 10-15-10  
I changed a timing belt on a 91 plymoth voyager 3.0 L, it started but does not idle very long. i noticed the mil light on, so i checked the trouble code and it was P0743. did changing the timing belt cause this code to come on ?
Re: P0740 Torque Converter Clutch Circuit Malfunction liyo 12-10-09  
Hi i have a infiniti i30 2001 check engine light is on the code is p040a tcc circuit malf what is this?
my transmission is good shifting...
please answer me!!!
                                                                  Reply to MessageRe: P0740 Torque Converter Clutch Circuit Malfunction Chacizemizatt 5-6-11  
Re: P0740 Torque Converter Clutch Circuit Malfunction peruana84 6-11-10  
I also have a 2002 dodge grand caravan sport.my engine light went on today,and the code p0700 came up.did they tell you what that code meant?
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