Question about 1997 Mitsubishi Eclipse

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Code P0740 and code P0700

I got a mitsubishi eclipse 1997 non turbo 2.0. P0700 transmission control system ( Mil request) that this is means. what i need to check or to do. P0740 torge converter clutch solenoid circuit means waht? the transmission pan is leaking little bit oil(fluid) because the thread of 2 bolt are loose . i tried to fix the thread with a kit, but i couldn't do it right, but transimission is only fluid when i crank the car and then I drive for a while and then turn it off so everyweek i added it little bit of transmission fluid. where is the selenoid located. it is where the spark plost are locate or other in the transmission. how the selenoid and rpm works together what is the relation. Please help me out. if i ignore it ( this problem is true my transmission can die). I haven't reset the engine light yet.i will waiting for your answer. thanks

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  • yadayada
    yadayada May 11, 2010

    all the solenoids are inside the transmission

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5 Suggested Answers

  • 199 Answers

SOURCE: p1789 and p0700

you can get all the required parts at either the local garage this will be second hand. you can get this at the mitsubishi service center or at  www.autozone.com

Posted on Jan 05, 2009

csmock132
  • 4669 Answers

SOURCE: 2004 pacifica P0700 Transmission Control System (MIL Request)

You need to scan the tcm. Code p0700 in the ecm just tells you there is codes in the tcm.

Posted on Mar 12, 2009

wracefans24
  • 1985 Answers

SOURCE: My 1999 dodge caravan with 3.3 liters engine shows

both codes are transmission related codes,you need to have a transmission shop run a check on the curcuits

Posted on Dec 10, 2009

motor1258
  • 6674 Answers

SOURCE: 2002 chrysler 300m error codes p0740 and p0700

700 tells you that there has been a "transmission control circuit malfunction", and 740 basically pinpoints the possible culprit, which is "Torque converter clutch control circuit malfunction". If you don't notice any difference in the way the transmission is shifting, especially when you are at cruising speed on highway, or you've basically reached the speed your going to travel at, and are no longer accelerating, your converter normally goes into "lock-up" and your engine RPM's will drop by approx, 200-300 RPM's. When your driving it basically feels like transmission shifted again, slightly. If all feels well, it may just be a one time thing, but being how transmissions are somewhat temperamental, as well as expensive to repair when big problems occur, I would certainly consider getting it in to a dealer for diagnosis at least, and see what they come up with, as it may only be a bad switch, or bad, corroded connection causing the codes. Remember, if it sounds like an expensive,extensive repair, then simply get all the info, and either stop elsewhere for diagnosis of same problem, (without telling them it's already been diagnosed) and see what second opinion has to say. If in doubt after that, get back to us, with diagnosis results, and we'll be glad to help you decide from there. One thing you may want to consider though, is a transmission service, (oil and filter change) if it hasn't been done in a while, just as a preventative maintenance thing. Changing of oil and filter in those transmissions at regular intervals, is a good way of extending the life of them. I recommend the new ,Autopar ATF4 transmission oil, which is more expensive, but guaranteed to last for lifetime under normal driving conditions. Chrysler/Autopar products tend to work better with it, and new filter, although there are many mechanics that will argue that fact, there are just as many mechanics and owners who have seen other oils cause problems, and when they switch to Autopar, those problems disappeared.

Posted on Dec 11, 2009

Testimonial: "Thanks very much!!! I will have it checked out. I have just had a full service on the car and a new filter etc. installed. "

  • 1757 Answers

SOURCE: I get codes p0700 and p0740 on a dodge grand

P 0700 = EATX (Electronic Automatic Transmission Communication) Controller DTC Present. = An automatic transmission input DTC has been set in the transmission controller.
P 0740 = Torque Converter Clutch. No RPM Drop at Lockup. = Relationship between engine speed and vehicle speed indicates no torque converter clutch engagement.

Yes the Fluid and Filter Change should take care of this. However, Dodge, Chrysler, and Plymouth Minivans have had alot of Transmission problems over the years. Make sure that whomever changes the Transmission Fluid that they use exactly what is specified. Also, do not let any Mechanic talk you into a Superflush of the Transmission. This procedure does not change the Filter.

Let me know if this helped, or if you have additional information or questions. Feel free to contact me at FixYa.com!

Posted on Jan 15, 2010

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These error code's were read: p0700, p0765, p0760, p0755, p0743. How can we fix this? Can it be the harness connection?


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P0700 Transmission Control System Malfunction P0740 Torque Converter Clutch Circuit Malfunction. Have a nice day

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