Question about 2000 BMW 7 Series

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Trouble codes circuit po743 - 2000 BMW 7 Series

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Code p0743 refers to torque converter clutch (TCC ) solenoid-electrical.== Causes---wiring---TCC solenoid. Replace the solenoid.

Posted on Apr 27, 2013

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"Torque Converter Clutch Circuit Electrical" according to:
http://web.archive.org/web/20090416200738/http://www.x5world.com/articles/x5/general-information/9544-bmw-fault-codes-their-meaning.html

Posted on Apr 27, 2013

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2004 ford crown victoria automatic transmission overdrive lights blinking on overdrive reading codes po743 an po760


P0743 Torque Converter Clutch Circuit Electrical
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What is 2001 mazda tribute p0741 error code


Possible causes
- Low transmission fluid level
- Dirty transmission fluid
- Faulty torque converter clutch solenoid valve
- Torque converter clutch solenoid valve harness or connectors
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"i have a 97 plymouth breeze, just bought it,the guy i got it from pop the eng light out.so i have a OBD reader,the codes are PO743-- TORGUE CONVERTER CIRCUIT ELECTRICAL, THE OTHER CODE IS P1491--...


P0743 Torque Converter Clutch Solenoid Circuit Electrical
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if all drives ok leave well alone its only a old banger and not wirth spending money on

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How to fix this problem ?code#po743 2000ford taurus se 3.0


Code 743 means the computer did a volt drop test on the circuit and found the solenoid to be open or shorted to ground. It could be the solenoid valve, or the wiring.

Jun 25, 2013 | Cars & Trucks

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PO743 1999 ford windstar 3.8


THAT CODE P0734 IS A TCC (TORQUE CONVERTER CLUTCH) TROUBLE CODE. EITHER THE WIRING GOING INTO TORQUE CONVERTER SOLONOID ARE LOOSE OR THE SOLONOID ITS SELF IS BAD.

Jun 09, 2012 | 1999 Ford Windstar

1 Answer

Computer code for a 1998 dodge caravan po743


The P0743 code is saying there's a problem in the torque converter circuit. Check the circuit and solenoid or take it to the dealer or good tranny shop.

I'd put off the misfire until the tranny issue is solved.

Good luck.

Feb 01, 2011 | 1998 Dodge Caravan

2 Answers

Torque convertor clutch circuit electrical code po743


CIRCUIT DESCRIPTION
The shift solenoid valve SL is turned ON and OFF by signals from the ECM to control the hydraulic pressure
acting on the lock–up relay valve, which then controls the operation of the lock–up clutch.
DTC No. DTC Detection Condition Trouble Area
P0743
 ECM detects open in solenoid SL circuit 4 times when solenoid
SL is not operated (2–trip detection logic)
 ECM detects short in solenoid SL circuit 4 times when solenoid
SL is operated (2–trip detection logic)
 Open or short in shift solenoid valve SL circuit
 Shift solenoid valve SL
ECM
Fail safe function
If the ECM detects a malfunction, it turns the shift solenoid valve SL OFF

Jun 10, 2010 | 1999 Ford Expedition

1 Answer

Transmission


PO743 definition is "TCC circuit Error".TCC stands for Torque Convertor Clutch.The diagnostic route for that code includes ohms testing,amps testing,and function testing the solenoid and the wires in the circuit.

Jul 06, 2008 | 1996 Ford Windstar

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