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Need Transmission Wiring Harness and "Valve Body"

Discussion in '1st Gen Tundra Parts Marketplace (2000-2006)' started by Trueno, Jun 24, 2025 at 8:33 PM.

  1. Jun 24, 2025 at 8:33 PM
    #1
    Trueno

    #1
    Trueno [OP] New Member

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    Mechanic is telling my truck needs the "Transmission Wiring Harness" and the "Valve Body". transmission if I don't need to.

    For a little reference, I bought the truck from its original owner with 254K miles. It now has 259K. Aside from a little rust in the frame, the truck is in excellent overall condition.

    2006 Toyota Tundra DoubleCab V8 SR5 4WD 5TBDT44106S534603
     
    Last edited: Jun 25, 2025 at 8:56 PM
    Trueno, Jun 24, 2025 at 8:33 PM
    #1
  2. Jun 25, 2025 at 12:49 AM
    #2
    joseph_womack

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    joseph_womack @ 4x4bound

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    3/1 Lift, 35s, Front Bumper, etc etc
    If it’s the A750, the wiring harness is known to corrode; why’d he say you need a new valve body?
     
    joseph_womack, Jun 25, 2025 at 12:49 AM
    #2
  3. Jun 25, 2025 at 6:40 AM
    #3
    Trueno

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    Trueno [OP] New Member

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    Joseph, are you saying that the wiring itself may solve my problem?
     
    Trueno, Jun 25, 2025 at 6:40 AM
    #3
  4. Jun 25, 2025 at 6:49 AM
    #4
    joseph_womack

    #4
    joseph_womack @ 4x4bound

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    Not necessarily, what problem are you having?

    maybe if all your solenoids are going crazy it might just be a wiring issue; hard to say without seeing in person, or could be a single corroded wire
     
    joseph_womack, Jun 25, 2025 at 6:49 AM
    #4
  5. Jun 25, 2025 at 11:20 AM
    #5
    Trueno

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    Trueno [OP] New Member

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    I have codes P0710, P0712 and P0986. Truck even went on Limp mode.

    My mechanic also saw the damaged wires.
     
    Trueno, Jun 25, 2025 at 11:20 AM
    #5
  6. Jun 25, 2025 at 8:16 PM
    #6
    joseph_womack

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    joseph_womack @ 4x4bound

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    3/1 Lift, 35s, Front Bumper, etc etc
    whats the year make a model?
    2006 Tundra, V6 or V8, 4wd or 2wd?
     
    joseph_womack, Jun 25, 2025 at 8:16 PM
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  7. Jun 25, 2025 at 8:57 PM
    #7
    Trueno

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    Trueno [OP] New Member

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    2006 Toyota Tundra DoubleCab V8 SR5 4WD 5TBDT44106S534603
     
    Trueno, Jun 25, 2025 at 8:57 PM
    #7
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