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RAM 1500 OBD CODE p0700/p0740

Trans prob but drives fine any manual code clearing procedures or replace tourqe converter solenoid

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  • Anonymous Mar 31, 2014

    i have code p0740

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I had the same problem and a friend suggested that I get a filter kit for the transmission. My dodge ram 1500 stopped pulling and had to be towed home. I got a filter kit for the transmission and now the truck is runniing good again and the transmission is shifting ok.To get the code off by going to
Auto Advance and used their code reader to erase the code. My truck has 249K on it and I know the trans will not last forever, but as long as it is running ok. I will live with the codes but make sure the trans fluids are changed every 10k.

Posted on Dec 05, 2008

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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

2 Answers

2001 Dodge Grand Caravan ES 3.8L AWD; 152K miles; Had leaking solenoid pack replaced with brand new (Bosch?) unit in March (along with new trans fluid--proper type as always--and filter). A couple of...


P0740 Torque Converter Clutch Circuit Malfunction Driving the vehicle with this problem and not attending to it asap may cause further damage. When you feel a problem and or see the engine light on, use your head wisely and have a reputable transmission shop go through a complete diagnostic procedure, in most cases this is a fluid problem, but since you serviced the trans that can be ruled out, if you haven't changed the TCC solenoid yet do so, I was unclear about what you replaced, I assume the shift solenoid's, if you have replaced the TCC solenoid then the problem is either in the wiring to the trans or inside the trans in the torque converter clutch circuit or the torque converter itself, which is a all to common failure in these Vans, if the TCC is ok replace the torque converter, that of course requires removing the trans, this job will require a lift, it is just about impossible on the ground.

Aug 06, 2009 | Dodge Grand Caravan Cars & Trucks

1 Answer

I am getting P0700 and P740 what do they mean? P0740 states that TCC Circuit Malfunctioning, what does that mean? I took my car to a repair shop and was told that it would cost me $1400 to fix it. I would...


P0700 is an information code from the transmission controller to the engine controller(computer) it says "hey I'm having trouble making the trans do what I want it to!" P0740 is a trans code saying that the TorqueConvertorControl system isn't working. Could be the solenoid pack, valve body or the torque converter itself. I would recommend to leave this for a pro! $1400 is a fair price.

Oct 17, 2013 | 2001 Dodge Intrepid

1 Answer

Code 0740 andd 0700


P0740 - Torque Converter Clutch Malfunctionxicon.jpghttp://engine-codes.com/p0740.htmlForum CodePossible causes- Low transmission fluid level
- Dirty transmission fluid
- Faulty torque converter clutch solenoid valve
- Torque converter clutch solenoid valve harness or connectors
- Torque converter clutch solenoid valve circuit is open or shorted When is the code detected?Diagnostic trouble code P0740 is detected when TCM detects an improper voltage drop when it tries to operate the solenoid valve.

P0700 TCM has requested PCM to run on Check engine light to alert to a fault in the automatic transmission.

Oct 02, 2012 | 2003 Volvo V70

1 Answer

0700 codes after replacing speed sensors


Hi there:DTC P0700 is a generic warning code that advice about a transmission fault specific code stored there. In this case, your addicional specifi code is P0740.
DTC P0740 - Torque Converter Clutch control circuit (A/T Torque Converter Clutch - No RPM Drop At Lockup)

This can be caused from as little as a blown fuse or bad ground to a bad valve body in the transmission. I would suggest a transmission shop to further diagnose since there are pressures that need checked and circuits that will need checked with diagnostic equipment. Here is a description and the testing procedure for DTC P0740. Keep in mind that there is a good chance the trans will need rebuilt.



Possible Causes:

Internal transmission component fault (Input or Reaction shaft) Internal transmission leakage (valve body leaking or seal rings) Converter clutch valve or clutch timing valve is sticking TCC assembly has failed.



Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

Jun 08, 2012 | Dodge Grand Caravan Cars & Trucks

1 Answer

2003 grand caravan error code po740 and po700 740 is torque solenoid. how do you replace


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.

Mar 02, 2012 | Cars & Trucks

1 Answer

2003 grand caravan error code po740 and po700 740 is torque solenoid. how do you replace


Hi there: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 this helps.

Mar 02, 2012 | Cars & Trucks

4 Answers

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.

Jun 11, 2009 | 1999 Honda Odyssey

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