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4Lo light flashing

Discussion in '2nd Gen Tundras (2007-2013)' started by dieseldoc, Sep 25, 2023.

  1. Sep 25, 2023 at 8:54 AM
    #1
    dieseldoc

    #1
    dieseldoc [OP] New Member

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    4LO light flashing did the normal diag checked power at shift motor checked fuse under dash checked all wiring any other ideas
     
    dieseldoc, Sep 25, 2023
    #1
  2. Sep 25, 2023 at 9:09 AM
    #2
    Mdl

    #2
    Mdl Hey there...

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    PNW, WA
    Vehicle:
    2007 TRD SC'd
    JBA Longtubes, Snivs 2.0 SC pulley, ASP crank overdrive pulley 6.71 in, DD Full 3inch dual exhaust, IPT valve body, Airbox mod, 4.5inch intake, Denso 750, 450 Walbro, W/M injection, GM 95mm TB, SABM, Camburg UCA, Icon shocks, Speedmaster LSD, Motive 5.29 Gears, Mickey Thompson Baja Legend EXP 35's, DIY Traction Bars, Tuning by snivspeedshop.com
    This is a great chart. Screenshot_20230813_212814.jpg
     
    Mdl, Sep 25, 2023
    #2
    Bob likes this.
  3. Sep 25, 2023 at 9:18 AM
    #3
    Cruzer

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    Cruzer Wheeling Full Size

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    What were you doing prior to the 4Lo light flashing?
     
    Cruzer, Sep 25, 2023
    #3
    Bob and Mdl like this.
  4. Sep 25, 2023 at 10:19 AM
    #4
    Mdl

    #4
    Mdl Hey there...

    Joined:
    Jun 14, 2023
    Member:
    #98638
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    2,914
    Gender:
    Male
    PNW, WA
    Vehicle:
    2007 TRD SC'd
    JBA Longtubes, Snivs 2.0 SC pulley, ASP crank overdrive pulley 6.71 in, DD Full 3inch dual exhaust, IPT valve body, Airbox mod, 4.5inch intake, Denso 750, 450 Walbro, W/M injection, GM 95mm TB, SABM, Camburg UCA, Icon shocks, Speedmaster LSD, Motive 5.29 Gears, Mickey Thompson Baja Legend EXP 35's, DIY Traction Bars, Tuning by snivspeedshop.com
    Will it go into gear? Some, like mine, has issues with actuator not engaging with 4lo blink. A slight roll allows it to go back into gear.
     
    Mdl, Sep 25, 2023
    #4
    Bob likes this.
  5. Sep 25, 2023 at 10:46 AM
    #5
    dieseldoc

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    dieseldoc [OP] New Member

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    it was brought to my shop for the issue owner had no idea what happened but i got it back in 2wd so he is happy
     
    dieseldoc, Sep 25, 2023
    #5
  6. Mar 3, 2025 at 2:04 PM
    #6
    T-J

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    T-J New Member

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    Regarding the 4lo flashing dash symbol, try disconnecting the negative battery cable and reconnecting. I've seen this more than once.
     
    T-J, Mar 3, 2025
    #6
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