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2007 tundra vsc off flashing 4 lo flashing and traction picture

Discussion in '2nd Gen Tundras (2007-2013)' started by Dukecally25, Jul 8, 2025.

  1. Jul 8, 2025 at 1:40 PM
    #1
    Dukecally25

    Dukecally25 [OP] New Member

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    Hello , a few weeks ago i was in branson mo and my asc off 4lo lights were falshing but would only let me go like 30 mph (limp) mode, in the end i had the part replaced and it cost me 1500 bucks and i made it back home . Now my 4lo vsc off and traction picture lights are flashing and im hoping someone can help me with this because i cant afford another big part replacement and i cant drive it all the way back to that mechanic. If anyone has an idea of what this could be please give me a shout . Thanks
     
  2. Jul 9, 2025 at 6:08 AM
    #2
    Dukecally25

    Dukecally25 [OP] New Member

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    Please someone if have any ideas on this would greatly appreciate it . Thank you
     
  3. Jul 9, 2025 at 7:00 AM
    #3
    Brolee

    Brolee New Member

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    If I remember correctly, I had these lights when I hit a deer and it snapped off one of the connectors to the wheel speed sensor/abs etc wiring harness. They may have damaged the wire or it wasn't plugged in all the way.
     
    mzim likes this.
  4. Jul 9, 2025 at 12:20 PM
    #4
    bicklebok

    bicklebok New Member

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    You didnt say which part you had replaced, or either I couldnt make out which part you had replaced. Have you tried disconnecting the battery for a few minutes and connecting back?

    Make sure you are in 2 wheel drive. I know that seems obvious, but double check.

    Someone on here has a chart that indicates what the flashing lights mean. I looked but I dont have it. Maybe someone will post it.
     
  5. Jul 9, 2025 at 12:22 PM
    #5
    bicklebok

    bicklebok New Member

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    upload_2025-7-9_14-21-40.jpgupload_2025-7-9_14-21-40.jpg
     
    grave likes this.
  6. Jul 9, 2025 at 1:50 PM
    #6
    grave

    grave New Member

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    SD CA
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    can't help you if you don't know the code
     
  7. Jul 18, 2025 at 5:08 PM
    #7
    mzim

    mzim New Member

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    275/65/20 Goodyear Wrangler Duratracs (May2024) Full ARH long tube system Bilstein 6112 Front +2.7" Bilstein 5160 Rear & Icon 1.5 AAL & +2.0 Shackles Fender Flares 1D6 White Knuckle sliders TRD Grille Morimoto LED Headlights with LED DRL/sequential amber switchback turns Rigid Fogs with Square TRD Bezel 4x LED bed lamps wired in OV Tune base load with iterations coming Tech12Volt remote with 2 way fobs and range extender antenna 4.88s with Auburn TRD skid plate Koyo radiator - FAILED REINSTALLED OEM Tyger tri-fold bed cover Bed mat from Boss 4x4 Front bumper spacers 0.5 inch by Boss 4x4 Pop n Lock tailgate wired in Black badging all around Classico Faux Leather Seat Covers Rough Country Floormats Halo 9 HU Underseat kicker sub JRT upgraded speakers
    A note of reference here. I recently had my ABS and T.C. lights on with flashing 4 hi / 4lo lights.
    I started reading possible solutions and thought oboy, chasing problems here, dealership trip$$$.
    I did try swapping speed sensors, checking fuses, when I thought I'd take another look at the wiring to the speed sensors.
    Lo and behold the drivers rear speed sensor had one small wire severed. I removed the outer connector and was able to temporarily twist the small wires together. I was excited when I started the truck and the 4hi/4lo were OFF. THe ABS and traction control were still on. When I backed out and drove about 50 yds those lights disappeared also. I GOT LUCKY.
    Upon inspecting the wire near the connector, I found corrosion (ten Iowa winters) .
    JUst putting this out there for somebody else who has this problem. I was fortunate to find the severed wire.
     
    bicklebok likes this.
  8. Aug 3, 2025 at 12:23 AM
    #8
    retiree808

    retiree808 New Member

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    none so far
    Several weeks ago my 2007 tundra 4x4 with the 4.7 went into limp mode with the VSC, 4 low, and check engine light on. I pulled a code P2432 (secondary air injection/pressure sensor). I decided to install the Hewitt Bypass Kit to eliminate the possibility of this problem coming back. The installation was easier than I expected and after clearing the code, everything is good.
     
    grave and Leo's first like this.

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