Question about 2003 Toyota Corolla

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Corolla 2004 (light check engine)

After I wash engine of My Corolla 2004. now there is (light check engine) car not sifting smoothly in to 4th gear.
Computer showed Code#P2770 which is related to: electric solenoid problem.
Please help me how to fix this.

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Hello guys I have same problem , I have change automatic gearbox all work nice but in time when I go to slow speed appears, P2770 Open in Torque Converter Clutch Solenoid Circuit (Shift Solenoid Valve SL)
I do every checks which written in techdoc and didn't find the problem
I checked connection with ECM all good
I checked resistance , is 13 om
I checked Solenoid Valve SL he is work
I put other ECM from fixed car , this dosen't helped me
May be somebody has same trouble?

corolla 2009 ZRE 151 AV46AS

Posted on Sep 28, 2012

  • Andy Tzur Sep 28, 2012


    Hello guys I have same problem , I have change automatic gearbox all work nice but in time when I go to slow speed appears, P2770 Open in Torque Converter Clutch Solenoid Circuit (Shift Solenoid Valve SL)
    I do every checks which written in techdoc and didn't find the problem
    I checked connection with ECM all good
    I checked resistance , is 13 om
    I checked Solenoid Valve SL he is work
    I put other ECM from fixed car , this dosen't helped me
    May be somebody has same trouble?

    corolla 2009 ZRE 151 AV46AS

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Find the corresponding solinid and blow the plug out with compressed air then disconnect battery for 5 minuets and then recheck codes and shift problem if no better you may have damaged it

best idea not to clean down engines as this is not uncommon with cars these days to amny wires

Posted on Dec 25, 2008

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Sounds like you shorted it out might be a wise idea to replace it!

Posted on Dec 24, 2008

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