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2004 Tundra VSC TRAC + ABS Light + Audible Alarm Problem

Discussion in '1st Gen Tundras (2000-2006)' started by cacvtundra, Apr 7, 2021.

  1. Apr 7, 2021 at 5:38 PM
    #1
    cacvtundra

    cacvtundra [OP] New Member

    Joined:
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    Hi all,

    I'm been searching around the forums and scouring the internet to do some research on this problem that came up on my 2004 Tundra Double Cab 2WD. The VSC Trac, ABS, Parking Brake light (even with the parking brakes down) are illuminated, along with an audible alarm noise.

    I attached a photo of the dash, and a video of the master cylinder + abs system where you can hear the audible alarm.

    Video: https://streamable.com/2zbvv5

    There is no CEL, thus no CEL codes can be read.
    I used the paper clip method to determine the ABS and VSC codes, which are below

    ABS Code 56 -> C1256 / Low accumulator pressure (not sure if this is correct though https://www.purefjcruiser.com/docs/.../Vehicle Stability Control System/0280030.pdf)
    VSC Code 43 -> C1223/43 Abs System Control Malfunction (https://www.tundras.com/threads/reading-abs-vsc-codes-without-a-scan-tool-2nd-gen-and-more.62732/)

    The problem seems to be similar to this: https://www.youtube.com/watch?v=m4_qv9bZfYY&t=80s

    I'm convinced I'll have to either replace the brake master cylinder, which is unfortunately pretty expensive unless I find something from the junk yard, or I replace a specific part. What I don't understand is that the audible noise is something I don't or very rarely see in conjunction with the ABS, VSC Trac problem. Has anyone dealt with this before?

    No service was done near the time of this problem, and the car is completely stock.

    Thanks in advance.

    IMG_7052.jpg
     
  2. Apr 8, 2021 at 5:02 AM
    #2
    Professional Hand Model

    Professional Hand Model A.K.A ‘Golden Hands’

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    Fred
    ‘Somewhere’... a State of Mind
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    2002 Tundra SR5 4WD 4.7L AC Silver Metallica
    Hand Protectors
  3. Apr 8, 2021 at 5:16 AM
    #3
    BubbaW

    BubbaW FAA Tweaker

    Joined:
    Aug 19, 2019
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    Bubba
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    2004 DC LTD 4X4 4.7 V8 DOHC
    GO VOLS
    Stoked about the 60K miles for a 2004. Brake guys here will have you fixed in no time !
     
  4. Apr 8, 2021 at 6:21 AM
    #4
    des2mtn

    des2mtn Touring the gas stations of CA/AZ via dirt trails

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    Brent
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    2004 Black DC Limited 4x4
    Desert and mountain pinstripes
    VSC on an '04? :popcorn:
     
  5. Apr 8, 2021 at 9:23 AM
    #5
    speedtre

    speedtre New Member

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    Dirty South
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