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P0740 diagnostic code torque convertor clutch solenoid circuit

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  • Anonymous Apr 19, 2009

    My 2000 Honda Odyssey has this P0740 error code. What is the solution for this problem



  • Anonymous May 10, 2009

    WHERE IS IT LOCATED AT AND IS IT EASY TO FIX


  • Anonymous Mar 31, 2014

    solenoid valve

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HI
it is automatic transmission fault it refer to :-
torque converter clutch (TCC)solenoid -circuit malfunction
the most cause is :-wiring , TCC solenoid & the transmission control unit ( ECM\PCM\TCM )

ask me for more information
WITH MY BEST WISHES

Posted on Jul 17, 2008

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Hi, i have a honda odyssey 01 with the same problem, i take to the mechanic and you need to rebuild the transmission, change the clutches and maybe the sealer... i know some body in ny whom can fix it for only 1,000. 00 ( one thousand ) including the mount and every thing...
miqui34@hotmail.com

Posted on May 11, 2009

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SOURCE: p0740 diagnostic code torque convertor clutch

I sounds like the TCC solenoid has failed. The stalling problem confirms that the TCC is engaged.

Posted on Mar 25, 2009

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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

1 Answer

P0740


Error Code: P0740
Description:
Torque Converter Clutch (TCC) Solenoid - Circuit Malfunction
Possible Cause:
Wiring.
Torque converter clutch (TCC) solenoid.
Engine control module (ECM)/Powertrain control module (PCM)/Transmission control module (TCM).

Mar 24, 2014 | 2003 Acura 3.2TL

1 Answer

P0740 honda odyssey


P0740 Honda - Transmission Lock-Up Control System Fault 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

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 Honda 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 (ECM). Lock-up piston operation will then be controlled. 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.
Lock-up operation, however, is prohibited when A/T fluid temperature is too low.
When the accelerator pedal is depressed (less than 2/8) in lock-up condition, the engine speed should not change abruptly. If there is a big jump in engine speed, there is no lock-up.

Dec 04, 2013 | 2000 Honda Accord

1 Answer

98 jeep codes p0743,p0740


Go here - www.jeepforum.com/forum/f11/tech-faq-links-tsbs-89273/ - and find the AW-4 Service and Diagnostic Manual. Looks like you need to test some solenoids.

P0740 (M)Torq Con Clutch, No RPM Drop at Lockup. Relationship between engineicon1.png and vehicleicon1.png speeds indicated failure of torqueicon1.png convertor clutch lock-up system (TCC/PTU solenoid)
P0743 (M)Torque Converter Clutch Solenoid/ Trans Relay Circuits. An open or shorted condition detected in the torque convertor clutch (part throttle unlock) solenoid control circuit. Shift solenoid C electrical fault - Asin transmissionicon1.png
P0743 (M)Torque Converter Clutch Solenoid/ Trans Relay Circuits. An open or shorted condition detected in the torque convertor part throttle unlock solenoid control circuit (3 or 4-speedicon1.png autoicon1.png. trans. only).__________________
.
Rather than banning scary looking black semi-automatic sporting firearms, why don't we
identify and treat the nut jobs pulling the triggers, and put the criminals in jail ?

Feb 11, 2013 | 1996 Plymouth Voyager

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

Trouble code 740


P0740 - Torque Converter Clutch Malfunction
Possible 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

Sep 11, 2012 | 1996 Buick LeSabre

1 Answer

Hey i have a 97 jeep grand chereokee i wen't to the nearest autozone the code came p0740.As im driving the RPM is going to high a low speeds on the highway feel like it down shifting between 3 RPM N...


P0740-TORQUE CONVERTER CLUTCH CONTROL CIRCUIT...

POSSIBLE CAUSES:

RELATED DTC P0750 PRESENT
INTERMITTENT WIRING AND/or CONNECTORS
INCORRECT FLUID LEVEL
INTERNAL TRANSMISSION PROBLEM - TCC OUT OF RANGE
L/R SOLENOID INOPERATIVE

Further diagnostic with a good scan tool will help, could be all you need is a new solenoid or some electrical repairs. Hope this helps.

Jul 06, 2011 | 1997 Jeep Grand Cherokee

1 Answer

Got this code p0740, tcc circuit malfunction, I would like to replace a TCC Solenoid how do i go about it?


P0740 - Torque Converter Clutch Circuit Open

Possible 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

Check your fluids 1st if they are low add fluid, and if they are dirty do a flush and a new filter. This usually will take care of it and save you money. TCCSV is a bit pricey try the cheaper route first. But it is located inside the transmission or on the side of the transmission. I dont recall exactly. Its something I would let a shop do though unless you have high mechanical skills.

Jan 13, 2011 | 2000 BMW 3 Series

1 Answer

Transmission light cod P0740


PO740 is a TCC/lockup code.TCC stands for Torque Convertor Clutch.In between the engine and transmission is a torque convertor.Inside the torque convertor is a clutch.This clutch engages to eliminate slippage inside the torque convertor.When a malfunction occurs in the system,which is activated by solenoids,and a computer,a TCC code will set.There is a diagnostic route specifically for that code,to determine if the malfunction is electrical,mechanical,or hydraulic.

Sep 05, 2008 | 2000 Dodge Caravan

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