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  1. #1

    Default Tranny problems, PO 741 code

    I was pulling my boat home from the lake and couldnt get my transmission to work in 3-4. I can put it in od but as soon as it comes into 3rd or should I say it will not go into 3rd gear. Low and 2nd work fine. I had to drive home in 2nd gear. We got home and my friend hooked up to get a code for me to go by. It was reading code PO741 Torque Converter CKT performance or shut off. When I looked this up on line im getting so many causes that I thought Id just see if anyone has had this problem and what you done to correct it outside of taking it to the shop...Help!

  2. #2


    What year Avalanche?

    1995 Silverado 4x4
    6" BDS Suspension Lift-3" Body Lift-Add A Leaf in rear -Trailmaster SSV Shocks-Duel Steering Stabilizer Kit -AirAid Cold air intake-
    4.56 Gears with Detroit Auburn Locker-Pro-Comp Traction Bars with duel shocks-Aluminum Skid Plate Kit-38.5" x 16.5" Mickey Thompson Baja Claws-Constant Dropping fuel gauge

    2005 Yukon XL Jet Power Programmer, Bilstein Shocks, Bilstein rear springs, Helwig Anti-sway bars, EGR Window Visors, EGR Hood Shield, Denali Headlights, Headlight harness upgrade, GE NightHawk Bulbs, White Night Rear lighting system, Russell Braided SS brake lines, PowerStop Brake pads, PowerStop cross drilled and Slotted Rotors,
    2002 Silverado ext cab 2wd (Sold)
    2003 Yukon XL (Totaled)

  3. #3


    Its a 2004 1500, its a 2WD withe the towing pkg

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