Question about 2001 Nissan Altima

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Torque converter clutch

Where exactly is the tcc solenoid and relay for this circuit on a 2001 nissan altima? I'm getting a PO740 code

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  • billyboy1983 May 29, 2008

    See if you can find a pic of tcc solenoid and relay location for this circuit.

  • Anonymous Mar 14, 2014

    1999 ford Windstar Torque converter clutch Solenoid

  • Anonymous Mar 26, 2014

    transmisson slipping

  • Anonymous Mar 31, 2014

    no CEL!! How hard is the repair for a TCC solenoid.., whats the estimated cost of repair..?

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  • Nissan Master
  • 19,396 Answers

It should be attached to transmission block, I will see if I find a diagram.

Posted on May 29, 2008

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  • Master
  • 813 Answers

PO740 is a chrystler specific code that involves your Tourqe Converter Clutch Circuit (specifically The TCC solenoid) this code if not repaired quickly could cause major transmission problems....slipping out of gear....not shifting from first to second properly and just all around trans problems...eventually leading to no shifting at all...I highly recommend fixing it soon. PO740 is a chrystler specific code that involves your Tourqe Converter Clutch Circuit (specifically The TCC solenoid) this code if not repaired quickly could cause major transmission problems....slipping out of gear....not shifting from first to second properly and just all around trans problems...eventually leading to no shifting at all...I highly recommend fixing it soon. PO740 is a chrystler specific code that involves your Tourqe Converter Clutch Circuit (specifically The TCC solenoid) this code if not repaired quickly could cause major transmission problems....slipping out of gear....not shifting from first to second properly and just all around trans problems...eventually leading to no shifting at all...I highly recommend fixing it soon.

Posted on May 29, 2008

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I have a 2001 VW Beetle. i took it and had a computer put on it. it showed this code po740. can u tell me just the parts to start with first and just how costly it will be.


code p 0740 refers to the torque converter clutch (TCC) solenoid---circuit malfunction====causes ---wiring---TCC solenoid---ECM/TCM ( transmission control module )
at this point I would consider changing the TCC ( check the harness connections and wiring first)
the price can vary as to where you get it from or even if you need a new one as the unit from the wreckers or junk yard may be just as good
ring around service center spares, specialist transmission shops to get prices

Mar 13, 2017 | 2001 Volkswagen New Beetle

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I have a 2001 aurora and code p1860 p1860 came up what is this and how much to fix


P1860 All GM - TCC (transmission Torque Converter Clutch) PWM Solenoid Circuit Electrical.
P1860 Description The Torque Converter Clutch Pulse Width Modulation (TCC PWM) solenoid valve controls the fluid acting on the converter clutch valve. The converter clutch valve controls the TCC application and release. The solenoid attaches to the control valve body within the transmission. The solenoid receives ignition voltage through circuit 239. The Powertrain Control Module (PCM) controls the solenoid by providing a ground path on circuit 418. Current flows through the solenoid coil according to the duty cycle (percentage of ON and OFF time). The TCC PWM solenoid valve provides a smooth engagement of the torque converter clutch by operating during a duty cycle percent of ON time.
When is the code detected? When the PCM detects a continuous open, short to ground or short to power in the TCC PWM solenoid valve circuit, then DTC P1860 sets. DTC P1860 is a type B DTC.

Possible causes - Faulty Torque Converter Clutch Pulse Width Modulation (TCC PWM) Solenoid
- Torque Converter Clutch Pulse Width Modulation (TCC PWM) Solenoid harness is open or shorted
- Torque Converter Clutch Pulse Width Modulation (TCC PWM) Solenoid circuit poor electrical connection. Unless you have a factory manual and very good auto repair skills this is best left to an expert. It is a messy dirty job that requires removing the parts inside the transmission for testing..

Aug 23, 2016 | Cars & Trucks

2 Answers

Two codes coming up on car even after fixing alot on car now need to figure out low cost ways to fix P0744 & P0722 code issues spent 1,800 on car & have spent 1,400 already in parts & labor.


you need a better mechanic that traces ALL of the possibilities of each code, not just read the code and trow in a part hoping that it's fixed ~ it can be wiring as well, not just plug in a new part as mentioned on the 2nd trouble code to the vehicle speed sensor

P0744 Torque Converter Clutch Circuit Intermittent


P0722 Output Speed Sensor No Signal

the first of the 2 looks to be more intensive to trace and find out the problem & the 0722 is the easier job for an intermediate mechanic to trace the wiring for continuity

Apr 20, 2015 | Cars & Trucks

1 Answer

Activate codepo


code p0740 refers to torque converter clutch (TCC) solenoid --circuit malfunction===causes--- wiring --TCC solenoid--- ECM/TCM

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1 Answer

Code po740


code po740 refers to torque converter clutch(TCC) solenoid--circuit malfunction===causes--wiring--TCC solenoid--ECM/TCM Replace the TCM ( transmission control module) as it controls the clutch and the OD servo.

Nov 03, 2013 | Cars & Trucks

1 Answer

2001 jetta vr6 cranks but won't start have fuel and spark replaced camshaft sensor, new plugs valve cover gasket got code of PO343 and PO740


code po740 refers to torque converter clutch(TCC) solenoid-circuit malfunction==causes --wiring--TCC solenoid-ECM/TCM
code p0343 refers to cam shaft position sensor(CMP) A bank1-high input.==causes --wiring short to positive--CMP sensor---ECM. check which cam sensor you replaced and check the wiring connectors. use a code reader to reset the cpu when finished

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Dashboard message - service engine soon ?? my local service station said it said - torque converter


That is located in the transmission and can be very expensive to repair/replace - Do NOT take to Amco! Did he also tell you the exact electronic code? Uusally, the code will say more than just torque converter.

Have you noticed any hesitation when you are starting to move; in reverse on on a hill - any noticeable slipping?

Jun 03, 2011 | 2004 Cadillac Deville

1 Answer

I am not having any problems but i have a po740 torque converter clutch solenoid circuit open


CODE PO740 YOU HAVE FAULTY TORQUE CONVERTER CLUTCH SOLENOID.MAKE SURE WIRE CONNECTOR TO TORQUE CONVERTER CLUTCH SOLENOID ITS NOT DISCONNECTED OR HAS BROKEN WIRES AND DAMAGE.

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2 Answers

Code PO740 on my 2002 ford explorer what need to be replaced


My 2007 code book says Torque Converter Clutch Solenoid Circuit open.

Go to autozone & have them do free scan & interpret code.

Sep 22, 2009 | 2002 Ford Explorer

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