P0740 Torque Converter Clutch Circuit Open

Code 37 -Torque converter clutch solenoid/Trans relay circuits-open or short detected in the torque converter part throttle unlock solenoid control circuit (2. (meaning its the same code!) "Torque Converter Lock-Up Clutch: Mechanical Malfunction" is the correct definition of P0470 code. AUTO TRANS DIAGNOSIS - HYDRA-MATIC 3L30 Using a voltmeter, measure voltage between ground and TCC relay harness connector terminal No. The vehicle may experience hard shift and may not shift into…. Best Answer: the thing is with torque converters is that they are all powered by fluid, no mechanical connection at all in them, now, your trans will hold around 12 l of oil, and the pan should only have four in it, you may have a low level of fluid in the trans, id add oil and fill it to the mark on the dipstick and try that, the converter clutch will only lock up when you are on the highway. The L/R-TCC piston is electronically modulated by increasing the duty cycle of the LR Solenoid until the torque converter slip difference (difference between engine and transmission input speed) is within 60 rpm. Theory of Operation When in 2nd, 3rd, or 4th gear, the Torque Converter Clutch (TCC) can be locked or partially locked when certain conditions are met. Hello, my car has the check engine light turned on and the code is a P0740 (Torque Converter Clutch Circuit Malfuction). There is a service bulletin out that adress this issue specifically. Local Volvo mechanic flushed the transmission several times and replaced fluid & filter but did not fix. Any ideas on how ser. Theory of Operation. I have a 1999 BMW 328 I and the Code reader reads: P0740 (Torque Converter Clutch Circuit/Open). Since this is also a gm trany problem, test this code by getting a complete wiring diagram of the trany electronic circuit. The next step is to bench-test the shift solenoid and apply 12 volts and ground to it. Trouble code P0740 (Malfunction in electrical circuit for the Torque Converter clutch) coming up with scanner. DG Technologies diagnostic tools, such as the VSI-2534, the d-briDGe Pro, and the DPA 5, can be used to extract fault codes from a vehicle's network. To be monitored, no DTCs must be set for TCC, camshaft or crankshaft position sensors, vehicle speed sensor or throttle position sensor. P0740 Torque Converter Clutch Circuit Malfuction C1401 High Pressure Return Pump Circuit Open/Shorted; Will Not Shut Off C1501 SPS P-Valve C1504 BAS light, play. It is considered generic because it applies to all makes and models of vehicles (1996-newer), although specific repair steps may vary depending on the model. The vehicle may experience hard shift and may not shift into…. Turn ignition off and clear codes. When in 2nd, 2nd Prime, 3rd, 4th, or 5th gear, the torque converter clutch (TCC) can be engaged when certain conditions are met. See TORQUE CONVERTER CLUTCH (TCC) SOLENOID. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. P0741 Torque Converter Clutch Circuit Performance or Stuck Off. AUTO TRANS DIAGNOSIS - HYDRA-MATIC 3L30 Using a voltmeter, measure voltage between ground and TCC relay harness connector terminal No. This test result tells you that the torque converter clutch (TCC) solenoid's internal coil is OK. We recommend Torque Pro. Code 35-Radiator fan control relay circuit-open or short detected in teh radiator fan relay circuit. P0740 Torque Converter Clutch Circuit Malfuction P0741 Torque Converter Clutch Circuit Performance or Stuck Off P1825 Transmission 4-Wheel Drive Clutch Relay Open. With some vehicles, the driver might not detect any issues at all. Volkswagen Diagnostic Trouble Codes DTC Table - General: From model year 1996, vehicles manufactured for the North American market are equipped with a Government required diagnostic system known as On-Board Diagnostics II (OBD II). P0743 is output. The TCC can be applied in all forward gears. The shop said the P0740 Torque converter clutch circuit open was a problem with the torque converter and torque converter solenoid. This is on a 1998 Plymouth Grand Voyager and I am wondering if it would be worth fixing. It reads the same code every time. Theory of Operation When in 2nd, 3rd, or 4th gear, the Torque Converter Clutch (TCC) can be locked or partially locked when certain conditions are met. • TCM judges that solenoid valve circuit is open. 2013 Dodge Grand Caravan Torque Converter Clutch Solenoid Location. In other words, once a set of criterion are met (cruising at speed, certain TPS position and demands on tranny and engine) the control module allows the torque converter to engage an internal piston which makes takes all the fluid inefficiencies out of the converter and act like it is not there,,,gives. Do not confuse this condition for an Oil Change Monitor alert due to the Oil Change Monitor not being reset following an oil change. So this leads me to believe that it is a faulty switch but I'm not sure. Code P0740 Torque Converter Clutch Solenoid Circuit / Open. Hey, my name is Damien I have a 2004 Jeep Wrangler Sahara, and for the life of me I can not get my engine light off. P0740 Torque Converter Clutch Circuit Malfuction P0741 Torque Converter Clutch Circuit Performance or Stuck Off circuit open P1789 3-2 Timing / Coast Clutch. The OBII code reads a P0740 (TCC-Torque Converter Clutch Malfuntion). He says its the solenoid. What are the common causes of code P0740 ?. Possible symptoms - Engine Light ON (or Service Engine Soon Warning Light) - Transmission shift shock - Vehicle may not shift into the highest gear P0740 Chevrolet Description The Torque Converter Clutch (TCC) solenoid valve is an electrical device that is used with the torque converter clutch pulse width modulation (TCC PWM) solenoid valve in. P0740 Dodge 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 (). Set the DVOM (digital volt ohm-meter) to ohm scale, and check the circuit for resistance using the positive and negative leads on their appropriate pins. P0740 is Torque Converter Clutch (TCC) Out of Range, and typically indicates that the TCC could not pull in (to the desired slip), even at full duty cycle. P0758 Shift Solenoid B Electrical. Chances are they can diagnose and fix the problem without replacing the entire tranny. For the last year or so, clutch to floor just barely disengages clutch- but clutch strong and no slippage. P0740 Honda. 2013 Dodge Grand Caravan Torque Converter Clutch Solenoid Location. Solenoid valve output current: 750 mA or more. AUTO TRANS DIAGNOSIS - HYDRA-MATIC 3L30 Using a voltmeter, measure voltage between ground and TCC relay harness connector terminal No. Since one of the codes points to an open circuit, the porblem is electrical rather than an issue with the. Set Condition: Transmission must be in EMCC, with input speed > than 1750 RPM. a little less highway mileage maybe. If this solenoid is going bad, where is it located?. A torque converter clutch (TCC) circuit malfunction is what triggers trouble code P0740. My 2000 S70 2. We recommend Torque Pro. This feels weird, because the solenoid assembly was just replaced a month ago (and is still under warranty). P0741 Torque Converter Clutch Circuit Malfunction P0743 Torque Converter Clutch Circuit Electrical (Duty Sol. Honda Odyssey Transmission, P0730, P0740, P0780. torque converter clutch circuit malfunctionsooo this will probably call for a trip to the dealer but before I do anyone with a similar situation?. The car seems to drive okay. More concerning is the pending code I pulled with my scanner. It would have. What Does Code P0743 Mean? OBD II fault code P0743 is a generic code that is defined as "Torque converter clutch (TCC) solenoid -electrical", and is set when the PCM (Powertrain Control Module) detects an abnormal voltage in the electrical control circuit of the TTC (Torque Converter Clutch) solenoid. i take it that it was doing this also before the service?. This code is a generic trouble code, meaning it applies to all vehicles equipped with OBD-II system or vehicles made since 1996 up to present. As for the P0740 code that is usiually not a good sign. 1 Performance P1754 Coast Clutch Solenoid circuit. - Torque converter. DTC P0742 TCC System Stuck On 3. This diagnostic trouble code (DTC) is a generic OBD-II powertrain code. • When the PCM detects a fault in the circuit, an open, ground, or short, the PCM will open the circuit internally to protect the circuit. P1863 Transmission Transfer Case Contact Plate Power Open Circuit P1864 Torque Converter Clutch Circuit P1864 Transmission Transfer Case Contact Plate Power Short To Battery P1865 Transmission Transfer Case Contact Plate Power Short To Ground P1866 Transmission Transfer Case System Concern - Servicing Required. · A MIL illumination for P0740 - Torque Converter Clutch Circuit/Open · A DTC set active or stored for P1798 - Transmission Fluid Deteriorated. A P0740 is the same as the old code 38 which is "lockup control". '98 RAM 1500 with OBD II code P0740. When the Torque Converter Lockup Clutch engages, there should be a 1 to 1 ratio between the Converter RPM and the Input Shaft RPM. About 3-5 mph. P0740 Torque Converter Clutch Circuit Malfuction P0741 Torque Converter Clutch Circuit Performance or Stuck Off circuit open P1789 3-2 Timing / Coast Clutch. 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 When is the code detected?. But that doesn't. Perform a test drive and read out the fault memory. Code 35-Radiator fan control relay circuit-open or short detected in teh radiator fan relay circuit. P0740: Torque Converter Clutch Circuit/Open : P0741: Torque Converter Clutch Circuit Performance/Stuck Off : P0742: Torque Converter Clutch Circuit Stuck On : P0743: Torque Converter Clutch Circuit Electrical : P0744: Torque Converter Clutch Circuit Intermittent : P0745: Pressure Control Solenoid "A" P0746: Pressure Control Solenoid "A. P0735 Problem in 5th Clutch and 5th Clutch Hydraulic Circuit P0740 Problem in Lock-up Control System P0741 Torque Converter Clutch Hydraulic Clutch Stuck OFF P0743 Problem in Torque Converter Clutch Solenoid Valve Circuit P0745 Problem in Hydraulic Control System of A/T Clutch Pressure Control Solenoid Valve A Circuit. Lock-up piston operation will then be controlled. It is considered generic because it applies to all makes and models of vehicles (1996-newer), although specific repair steps may vary depending on the model. The largest English language online Citroen C4 and DS4 Owners Help and Support site incorporating C4owners. Meilleure réponse: the thing is with torque converters is that they are all powered by fluid, no mechanical connection at all in them, now, your trans will hold around 12 l of oil, and the pan should only have four in it, you may have a low level of fluid in the trans, id add oil and fill it to the mark on the dipstick and try that, the converter clutch will only lock up when you are on the. P2511 The torque converter lock-up clutch has excessive power consumption. P0740 Fault, torque converter clutch - present. I have a '98 S70 with 128K miles that the "up arrow" is flashing & the check engine light is on. P0740 BMW - Torque Converter Clutch Circuit Open P0741 BMW. It would have. indice de codigos del sistema obd ll, mecanica automotriz. Yes, - Answered by a verified Chrysler Mechanic. 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. Nissan Altima 2007-2012 Service Manual / Transaxle & transmission cvt: RE0F10A / Component diagnosis / P0744 A/T TCC S/V function (lock -up) Description This malfunction is detected when the torque converter clutch does not lock-up as instructed by the TCM. The code that was displayed indicates, "Torque Converter Clutch Circuit/Open", so there is a possibility that your transmission problem can be rectified with just the replacement of a TTC solenoid or repair to the wiring running to the TCC clutch solenoid. Hey, my name is Damien I have a 2004 Jeep Wrangler Sahara, and for the life of me I can not get my engine light off. TORQUE CONVERTER (Torque Converter Clutch Circuit/Open) When all of the following conditions are satisfied and this state is main-tained for 5 seconds: • TCM power supply voltage: More than 11 V • P0743 is not detected. I am also noticing that the car,2011 dodge nitro heat is lurching little bit as I am slowing to a stop. '98 RAM 1500 with OBD II code P0740. P0740 - Chrysler; Type: Powertrain - Transmission - ISO/SAE Controlled: Description: Torque Converter Clutch Circuit Conditions. OBD-II Diagnostic Trouble Code (DTC) P0740 Definition, Category, Faulty System and Component Torque Converter Clutch Circuit/Open, Select a make to see its TSBs. pdf 15Mb Download Allison Transmission - Shift Selector - Operator and Diagnostic Trouble Code manual. Torque Converter Clutch Circuit Intermittent. P0741 TCC TCC solenoid circuit performance/stuck off The TCC failed to apply after 3 consecutive commands from the. The largest English language online Citroen C4 and DS4 Owners Help and Support site incorporating C4owners. Todos estos códigos en una sola aplicación para iPhone / iPad, Android o Microsoft Windows. P0794 Intermediate Shaft. So this leads me to believe that it is a faulty switch but I'm not sure. P0740 is a diagnostic trouble code (DTC) for "Torque Converter Clutch Circuit Malfunction". ( I hate how many threads die!!!:) I'm fairly comfy pulling the filter off and getting to the solenoid and swapping it but don't want to if it is not the problem. Standard or generic fault codes are a list of codes common to all manufacturers. In the last few days I have been getting a P0740 code "torque converter solenoid open" I can shut off the truck and reset the code using my Diablo but after a day or so it will come back. • When the PCM detects a fault in the circuit, an open, ground, or short, the PCM will open the circuit internally to protect the circuit. Because of OBD, we can generalize failures to specific codes, and make pinpointing problems easier. P0740 - Torque Converter Clutch Circuit stuck open. P2511 Engaging of torque converter lockup clutch not permitted. It's controlled by the TCM. P0740 Dodge 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 (). Torque Converter Clutch Circuit Malfunction. Description of the standard trouble OBD codes by family. Shift solenoid C electrical fault - Aisin transmission. Solenoid valve, torque converter clutch Open circuit/short to ground DTC 70 Fault effect: Torque converter clutch always open. P0748 Pressure Control Solenoid Electrical (Duty Sol. OFFICIAL list of fault codes ODBII code list P0413 Secondary Air Injection System Switching Valve A Circuit Open P0740 Torque Converter Clutch Circuit. P0740-- Torque Converter Clutch Circuit Mal***tion P0741-- Torque Converter Clutch Circuit Performance or Stuck Off P0742-- Torque Converter Clutch Circuit Stuck On P0743-- Torque Converter Clutch Circuit Electrical P0744-- Torque Converter Clutch Circuit Intermittent P0745-- Pressure Control Solenoid Malfunction. i found the part to replace with but i was wondering if it was easy enough to replace if i did it, please let me know if it is. 3L and a 41TE. Problemas converter clutch solenoid. P0740 - Torque Converter Clutch Circuit stuck open. · A MIL illumination for P0740 - Torque Converter Clutch Circuit/Open · A DTC set active or stored for P1798 - Transmission Fluid Deteriorated. Cause: No PCM or TCM codes set, vehicle in 3rd gear with TCC unlocked for 10 seconds, VSS less than 70 mph, throttle applied to 1/3 open until the TCC locks, TCC locked for 5 seconds, then test started and the PCM detected that the engine speed (RPM) did not drop. To be monitored, no DTCs must be set for TCC, camshaft or crankshaft position sensors, vehicle speed sensor or throttle position sensor. P0740 Torque converter clutch circuit malfunction is the technical definition of this trouble code What the P0740 code means What the P0740 code means is that the powertrain control module (PCM) has detected something unusual within the torque converter clutch circuit. P0742 is a diagnostic trouble code (DTC) for "Torque Converter Clutch Circuit Stuck On". Once I got my first car, I was no longer bored in my free time. a little slippage is only detrimental if the clutch truly is slipping. P0781 1-2 Shift. It is considered generic because it applies to all makes and models of vehicles (1996-newer), although specific repair steps may vary depending on the model. If reading is not as specified, repair open in Black/White wire. Meaning, the torque converter clutch circuit is performing abnormally, which usually happens due to dirty transmission fluid or valves. I did touch on the operation and the basic principles behind how the converter clutch works on my page about the transmission valve body if you want more information. P0741 BMW - Torque Converter Clutch Circuit Stuck Off P0742 BMW. 1997 GMC K1500 Suburban 5. The OBII code reads a P0740 (TCC-Torque Converter Clutch Malfuntion). I have 2004 Honda Odyessey with code: P0740. Computer controlled automatic transmissions use variable amounts of hydraulic pressure to provide shifting and TCC (torque converter clutch) operation. If your car supports OBD II or EOBD, then you can already use almost 5000 generic OBDII codes. Symptom: P0740-TORQUE CONVERTER CLUTCH CONTROL CIRCUIT When Monitored and Set Condition: P0740-TORQUE CONVERTER CLUTCH CONTROL CIRCUIT When Monitored: During Electronically Modulated Converter Clutch (EMCC) Operation. Lock-up piston operation will then be controlled. ( I hate how many threads die!!!:) I'm fairly comfy pulling the filter off and getting to the solenoid and swapping it but don't want to if it is not the problem. These codes are from PowerTrain series (P0XXX, P2XXX, P34XX), Body Series (B0XXX), Chassis series (C0XXX), Network series (U0XXX, U2XXX, U3XXX). Torque Converter Assembly or TCC Solenoid Stuck 5. The car surges forward from a stopped position even at the slightest depression of the gas pedal which makes it prone to an accident by hitting the vehicle in front. When diagnosing a P0740 code, it is important to record the freeze frame information and then to duplicate the code setting conditions with a test drive above 45 MPH. Replace torque converter. The PCM has detected an abnormality in the torque converter clutch circuit. I have a '98 S70 with 128K miles that the "up arrow" is flashing & the check engine light is on. What would you guys say about the torque converter code?. Solenoid valve, torque converter clutch Open circuit/short to ground DTC 70 Fault effect: Torque converter clutch always open. As for the P0740 code that is usiually not a good sign. If the converter clutch is not locking, and the converter itself is not defective, the problem is likely the wiring. Find out how they work and how to test them. Meaning, the torque converter clutch circuit is performing abnormally, which usually happens due to dirty transmission fluid or valves. P0740 - Torque Converter Clutch Circuit stuck open. - 2001 Honda Odyssey B7TA Transmission. The converter pushes fluid through tiny compartments inside its tub to create pressure. - Pressure regulator 4 (hydraulic) Open circuit, short circuit to ground, short circuit - Electrical triggering to pressure regulator 4 to B+. every where i search 740 is torque converter circuit. gear ratio P0740 Torque Converter. Set Condition: Transmission must be in EMCC, with input speed > than 1750 RPM. I replaced the Solenoid Pack and, while it improved my ride, the P0740 code came back after driving it for awhile. The next step is to bench-test the shift solenoid and apply 12 volts and ground to it. When in 2nd, through 5th gear, the torque converter clutch (TCC) can be engaged when certain conditions are met. P0740-TORQUE CONVERTER CLUTCH CONTROL CIRCUIT When Monitored and Set Condition: P0740-TORQUE CONVERTER CLUTCH CONTROL CIRCUIT When Monitored: During Electronically Modulated Converter Clutch (EMCC) Operation. Nissan Altima 2007-2012 Service Manual / Transaxle & transmission cvt: RE0F10A / Component diagnosis / P0744 A/T TCC S/V function (lock -up) Description This malfunction is detected when the torque converter clutch does not lock-up as instructed by the TCM. TORQUE CONVERTER (Torque Converter Clutch Circuit/Open) When all of the following conditions are satisfied and this state is main-tained for 5 seconds: • TCM power supply voltage: More than 11 V • P0743 is not detected. 0L engine only). P0740 BMW - Torque Converter Clutch Circuit Open P0741 BMW. In the last few days I have been getting a P0740 code "torque converter solenoid open" I can shut off the truck and reset the code using my Diablo but after a day or so it will come back. Embrague Motor Transmisión Código P0740. '98 RAM 1500 with OBD II code P0740. If P0740/40 returns, go to next step. Road test vehicle at over 50 MPH for more than one minute. P0740 - Torque Converter Clutch Circuit stuck open. P0753 Shift Solenoid A Electrical. I replaced the Solenoid Pack and, while it improved my ride, the P0740 code came back after driving it for awhile. 300,000 miles. It could also be a fluid related problem as passages in the valvebody or transmission could be clogged causing erratic torque converter clutch lockup/disengage. Torque Converter Clutch Circuit Malfunction. Your Diagnostic code P0740- TORQUE CONVERTER CLUTCH - NO RPM DROP AT LOCKUP. ¿Que es po740 torque converter clutch circuit/open? Tengo problemas con mi carro honda civic ex 99 tiene codigo p04740 torque corvert clucht selenoinde circuit. P1890 Torque converter lockup clutch,impermissible closing P1891 Torque converter lockup clutch,high power input P1892 Transmission protection feedback not received P1893 1-4/-3 downshift PWM valve,pressure too high P1894 Control module not/incorrectly coded P1895 Control module N15/7 faulty. P0743 is output. 2 readings so far actually. P073F Unable to engage Gear 1; P0740 Torque Converter Clutch Circuit Malfunction DTC; P0741 Torque Converter Clutch Circuit Performance or Stuck Off DTC. P0740 Torque Converter Clutch Solenoid Circuit / Open. SET CONDITION. P0740 Torque Converter Clutch Solenoid Circuit/Open TCC solenoid electrical faults DTC P0743 may set, CLEAR the DTC. The TCC piston is electronically modulated by increasing the duty cycle of the LR/TCC solenoid until. Check ATF level (refer to Page 37- A 12) and erase the fault mem- ory. P0740 BMW - Torque Converter Clutch Circuit Open P0741 BMW. well it could be the solenoid, valve or the torque converter itself. Most BMW models with automatic transmissions, from the late '80s-on, utilize a clutch within the torque converter. The P0741 fault code is a transmission fault code for "Torque Converter Clutch Performance or Stuck Open". P0740-- Torque Converter Clutch Circuit Mal***tion P0741-- Torque Converter Clutch Circuit Performance or Stuck Off P0742-- Torque Converter Clutch Circuit Stuck On P0743-- Torque Converter Clutch Circuit Electrical P0744-- Torque Converter Clutch Circuit Intermittent P0745-- Pressure Control Solenoid Malfunction. Do not confuse this condition for an Oil Change Monitor alert due to the Oil Change Monitor not being reset following an oil change. 1 Performance P1754 Coast Clutch Solenoid circuit. P0740 Dodge 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 (). P0740 Torque Converter Clutch Circuit Malfuction P0741 Torque Converter Clutch Circuit Performance or Stuck Off circuit open P1789 3-2 Timing / Coast Clutch. The torque converter is the part of the transmission that converts engine torque into gear shifting for an automatic transmission. P0740-- Torque Converter Clutch Circuit Mal***tion P0741-- Torque Converter Clutch Circuit Performance or Stuck Off P0742-- Torque Converter Clutch Circuit Stuck On P0743-- Torque Converter Clutch Circuit Electrical P0744-- Torque Converter Clutch Circuit Intermittent P0745-- Pressure Control Solenoid Malfunction. P0740 Torque Converter Clutch Circuit Malfunction – CODE DESCRIPTION » A faulty Torque Converter Clutch (TCC) Solenoid. Checking the control circuit is part of the replacement. I did some searching online, and found suggestions to change the gearbox oil. It is considered generic because it applies to all makes and models of vehicles (1996-newer), although specific repair steps may vary depending on the model. If P0740/40 does not return, system is okay. Honda Odyssey 2002 100000 kms. Torque Converter Clutch Circuit Stuck On. What does the code mean? OBD-ii Code P0740 definition: 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). This is not related to oil level but to answer that question first, a tube can be inserted into the fill tube and draw approximately 1 pint of fluid out and check it again. If you are not getting any fault code for the LR/CC solenoid or switch, the sol pack and valve body is probably not an issue. Because of OBD, we can generalize failures to specific codes, and make pinpointing problems easier. I have a 99 528iT with 110k an. 01192 corresponds directly to P0740. Does anyone know if this is a SL, S1, S2, or STH?. 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. Torque convertor clutch circuit code came up. I will send it to you through PM. For a complete wiring diagram Refer to Section 8W. P0741 Torque Converter Clutch Circuit Performance or Stuck Off. This diagnostic trouble code (DTC) is a generic OBD-II powertrain code. I don't notice any actual problems in shifting. The converter pushes fluid through tiny compartments inside its tub to create pressure. A) P0751 Shift Solenoid A Malfunction P0753 Shift Solenoid A Electrical P0756 Shift Solenoid B Malfunction P0758 Shift Solenoid B Electrical P0761 Shift Solenoid C Malfunction. I did some searching online, and found suggestions to change the gearbox oil. P0740 CHRYSLER 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. Symptom: P0740-TORQUE CONVERTER CLUTCH CONTROL CIRCUIT When Monitored and Set Condition: P0740-TORQUE CONVERTER CLUTCH CONTROL CIRCUIT When Monitored: During Electronically Modulated Converter Clutch (EMCC) Operation. A common problem on many General Motors cars is the Torque Converter Clutch fails to release and causes the car to stall when it comes to a stop. I know that P0700 is an information code that means there's a fault code stored in the transmission control module; this code is P0740, which refers to the torque converter clutch, specifically, no RPM decrease at lockup. FordP0740 Ford DTC P0740 Make: Ford Code: P0740 Definition: Torque Converter Clutch Solenoid Circuit/Open Diagnosis: DTC P0743 may set, CLEAR the DTC. P073F Unable to engage Gear 1; P0740 Torque Converter Clutch Circuit Malfunction DTC; P0741 Torque Converter Clutch Circuit Performance or Stuck Off DTC. 2013 Dodge Grand Caravan Torque Converter Clutch Solenoid Location. the 46RE's torque converter lockup function. The code is P0740 - torque converter clutch circuit malfunction. Potential fault P0740 causes are: - ATF level not OK - check ATF supply - Torque converter clutch worn. • TCM judges that solenoid valve circuit is open. To diagnose many of the problems, you will need little more than a test light, a volt meter, a vacuum gauge and maybe a can of brake clean. If P0740/40 returns, go to next step. The "check engine warning light came on" and the trouble code is p0740, transmission torque converter circuit malfunction. The first one is "Torque Converter Clutch Circuit/Open" and the second one is a vehicle speed sensor. P0742 - Torque Converter Clutch Circuit Stuck On. I am hoping that that is the problem and not the trans getting ready to go out. P0735 Problem in 5th Clutch and 5th Clutch Hydraulic Circuit P0740 Problem in Lock-up Control System P0741 Torque Converter Clutch Hydraulic Clutch Stuck OFF P0743 Problem in Torque Converter Clutch Solenoid Valve Circuit P0745 Problem in Hydraulic Control System of A/T Clutch Pressure Control Solenoid Valve A Circuit. But hard to shift since clutch trying to pull a bit with pedal to floor. P0742 is a diagnostic trouble code (DTC) for "Torque Converter Clutch Circuit Stuck On". When the Torque Converter Lockup Clutch engages, there should be a 1 to 1 ratio between the Converter RPM and the Input Shaft RPM. It is a separate clutch than the internal transaxle clutches. OFFICIAL list of fault codes ODBII code list P0413 Secondary Air Injection System Switching Valve A Circuit Open P0740 Torque Converter Clutch Circuit. It only goes on when I accelerate on the freeway. P2769 Torque Converter Clutch Circuit Low Description and meaning of DTC p2769 Modern vehicles equipped with automatic transmissions / transaxles use a torque converter between the engine and transmission to increase the engine torque output and drive the rear wheels. P0740 is Torque Converter Clutch (TCC) Out of Range, and typically indicates that the TCC could not pull in (to the desired slip), even at full duty cycle. Symptom: P0740-TORQUE CONVERTER CLUTCH CONTROL CIRCUIT When Monitored and Set Condition: P0740-TORQUE CONVERTER CLUTCH CONTROL CIRCUIT When Monitored: During Electronically Modulated Converter Clutch (EMCC) Operation. In other words, once a set of criterion are met (cruising at speed, certain TPS position and demands on tranny and engine) the control module allows the torque converter to engage an internal piston which makes takes all the fluid inefficiencies out of the converter and act like it is not there,,,gives. The cause is usually either a bad TCC (inside the converter), or a sticky or worn TCC control valve (in the rear half of the pump). Failed OFF — converter never engages (Open circuit) (MIL on). 3 Torque Converter Clutch (TCC) Enable Circuit - ECM commanded the TCC off and the voltage remained low or commanded the TCC on and the voltage remained high Probable Cause 1 TCC solenoid failure 2 Open or short circuit condition 3 Blocked passage in transmission. Honda Odyssey 2002 100000 kms. When replacing the torque converter, it may be a good idea to also replace the mating front pump assembly as well. The code is common in BMW vehicles experiencing transmission troubles. When in 2nd, through 5th gear, the torque converter clutch (TCC) can be engaged when certain conditions are met. txt) or read online for free. P0739 TCM Engine Speed Output Circuit High P0740 Torque Converter Clutch Circuit/Open P0741 Torque Converter Clutch Circuit Performance or Stuck Off P0742 Torque Converter Clutch Circuit Stuck On P0743 Torque Converter Clutch Circuit Electrical P0744 Torque Converter Clutch Circuit Intermittent P0745 Pressure Control Solenoid "A". Excessive debris in the transmission or a failing torque converter lockup clutch can cause the solenoid to have debris stuck inside and this causes a restriction in fluid flow through the solenoid. 4R100 Code (DTC) P0740 Torque Converter Clutch Circuit Malfuction 4R100 Code (DTC) P0741 Torque Converter Clutch Circuit Performance or Stuck Off 4R100 Code (DTC) P0742 Torque Converter Clutch Circuit Stuck On. com FREE DELIVERY possible on eligible purchases. The computer controlled automatic transmission uses varying degrees of torque converter clutch application (also called torque converter lock up) to maximize engine power and optimize fuel efficiency. It seems its not. Intake Manifold Runner Control fault P1530 Open or Short to A/C Compressor Clutch circuit P1537 Intake Manifold Runner Control Stuck Open P1538 Intake Manifold Runner Control Stuck Open P1539 Power to A/C Compressor Clutch circuit Exceeded Normal Current Draw P1549 Intake Manifold Temperature Valve Vacuum Actuator Connection P1550 Power. 4R100 Code (DTC) P0740 Torque Converter Clutch Circuit Malfuction 4R100 Code (DTC) P0741 Torque Converter Clutch Circuit Performance or Stuck Off 4R100 Code (DTC) P0742 Torque Converter Clutch Circuit Stuck On. P0740 is Torque Converter Clutch (TCC) Out of Range, and typically indicates that the TCC could not pull in (to the desired slip), even at full duty cycle. The only thing is that the symptoms I experiencing are unlike anyone else's. Our experienced team will do what it takes to get your Mercedes or Sprinter back where it belongs: on the road! We've listed all of the Mercedes fault codes and their explanations to help you understand what's going on with your vehicle if you have your own scanner and want to learn more about Mercedes fault codes. This is a discussion on Torque convertor clutch circuit code came up within the Automatic Transmission forums, part of the Drivetrain category; My car is still sticking in 3rd and the local chevy dealer scanned it and it brought up this code:. For the last year or so, clutch to floor just barely disengages clutch- but clutch strong and no slippage. Hello, my car has the check engine light turned on and the code is a P0740 (Torque Converter Clutch Circuit Malfuction). Hi everyone, I own a 2001 Honda Odyssey with 67,000 miles. Valve) controls the fluid acting on the converter clutch valve. Is this something easy to fix and is it expensive. Today my WJ just started having shift problems it wont shifter into 5th and downshifts too soon in all gears. com FREE DELIVERY possible on eligible purchases. An automatic transmission uses a torque converter to pass energy from the engine into the transmission. P0740-TCC OUT OF RANGE. P0740 Torque Converter Clutch Circuit Malfunction P0741 Torque Converter Clutch Circuit Performance or Stuck Off. Intermittent Torque Converter Clutch Solenoid 3. The torque converter clutch, when activated, locks the torque converter so that it no longer slips. P0740 Torque Converter Clutch Circuit Malfunction – CODE DESCRIPTION » A faulty Torque Converter Clutch (TCC) Solenoid. A faulty torque converter clutch solenoid will normally set diagnostic trouble code P0740. SYMPTOM P0740-TORQUE CONVERTER CLUTCH CONTROL CIRCUIT WHEN MONITORED During Electronically Modulated Converter Clutch (EMCC) Operation. What are the common causes of P0740 ? Common causes include a faulty torque converter clutch solenoid, a defective torque converter, hydraulic blockages inside the internal transmission fluid passages, mechanical internal transmission failures, low transmission fluid, dirty or contaminated transmission fluid, a faulty PCM or transmission control module. I am getting code 0741, torque converter clutch solenoid circuit open. P0740/P0743 - Torque Converter Clutch Circuit Open/Electrical I searched but could not find any threads where these two codes were actually addressed and a solution was found. - check pressure regulator 4 (hydraulic) - Open circuit, short circuit to ground, short circuit - check electrical triggering to pressure regulator 4 to B+. Dodge Caravan - Trouble code P0740 torque converter clutch circuit/open - Hi my name is German I live in Miami Florida and I drive a 2011 Dodge Grand Caravan. Lock-up piston operation will then be controlled. Here is an overview of what we did. control via a scan tool to confirm solenoid and circuit integrity. Code 35-Idle switch shorted-switch input shorted to ground-some 1993 vehicles. You replaced the torque converter because of the light? That wouldn't make any sense. Buy BMW Genuine Torque Converter Clutch Solenoid TCC Auto Trans Solenoid Valve 525i 528i 530i 323Ci 323i 325Ci 325i 325xi 328Ci 328i 330Ci 330i 330xi X5 3. Recheck DTCs. The car surges forward from a stopped position even at the slightest depression of the gas pedal which makes it prone to an accident by hitting the vehicle in front. drive the car while watching the gauge, when you shift into 4th gear and are about to go into TCC lock-up the gauge should drop 5psi or so and then go right back to where it was sitting. The TCC can be applied in all forward gears. - 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 Torque Converter Clutch Circuit Malfunction - CODE DESCRIPTION » A faulty Torque Converter Clutch (TCC) Solenoid. P0740 Torque Converter Clutch (TCC) solenoid TCC solenoid circuit/open The PCM detected that the TCC solenoid control circuit failed open. Does anyone know if this is a SL, S1, S2, or STH?. What are the common causes of code P0740 ?. Theory of Operation. P0740 Torque Converter Clutch Solenoid Circuit / Open. 2 readings so far actually. It only goes on when I accelerate on the freeway. Description of the standard trouble OBD codes by family. It is still drivable. 300,000 miles. 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 When is the code detected?. I recently bought a Plum Purple 01 PT Cruiser with 138K with an Engine Light on. P0740 Torque Converter Clutch Circuit/Open P1780 Torque Reduction Malfunction P1850 Data-Bus Powertrain Missing Message from Engine Contr. Other materials: P0740 torque converter DTC Description DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition P0740 TORQUE CONVERTER (Torque Converter Clutch Circuit/Open) When all of the following conditions are satisfied and this state is maintained fo. Diagnostic Aids. If the DTC returns, GO to Pinpoint Test H P0741 Torque Converter Clutch Solenoid Circuit Performance/Stuck Off TCC System Faults (includes TCC , main control valve body and non-electrical solenoid faults) CLEAR the DTC. When a solenoid valve tries to operate and the TCM senses a voltage drop, this code is recorded. Tranny has to come out to replace the torque converter. P0740-- Torque Converter Clutch Circuit Mal***tion P0741-- Torque Converter Clutch Circuit Performance or Stuck Off P0742-- Torque Converter Clutch Circuit Stuck On P0743-- Torque Converter Clutch Circuit Electrical P0744-- Torque Converter Clutch Circuit Intermittent P0745-- Pressure Control Solenoid Malfunction. P0740 - TCC Out Of Range When the Transmission is in 2nd gear through 5th gear, the Torque Converter Clutch (TCC) will engage when certain conditions are met. A torque converter clutch (TCC) circuit malfunction is what triggers trouble code P0740. The OBII code reads a P0740 (TCC-Torque Converter Clutch Malfuntion). 2001-) P0740 Torque converter clutch solenoid failure * P1746 Pressure control solenoid A open circuit *. Symptom: P0740-TORQUE CONVERTER CLUTCH CONTROL CIRCUIT When Monitored and Set Condition: P0740-TORQUE CONVERTER CLUTCH CONTROL CIRCUIT When Monitored: During Electronically Modulated Converter Clutch (EMCC) Operation. This diagnostic trouble code (DTC) is a generic OBD-II powertrain code. Yesterday after getting a check engine light I pulled the code P0740 the scanner says "Torque converter clutch circuit/open circuit". Hi everyone, I own a 2001 Honda Odyssey with 67,000 miles. DTC P0742 TCC System Stuck On 3. P0740 Torque Converter Clutch Circuit Malfunction P1825 Transmission 4-Wheel Drive Clutch Relay Open Circuit.