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Systems error

Discussion in '2.5 Gen Tundras (2014-2021)' started by ToyoFam2009, Mar 2, 2024.

  1. Mar 2, 2024 at 7:59 PM
    #1
    ToyoFam2009

    ToyoFam2009 [OP] New Member

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    Brandon
    Hi! I turned my cruise control off while driving and then all of a sudden had the PCS malfunction lights come on, trailer brake malfunction, cruise control malfunction, and the 4 lo and hi lights flash throughout the drive as well as the ABS lights and TCS. There is no check engine light and the parking assist still works any ideas of what to replace? I had an inspection done and nothing was found. I have a hard time believing every system is malfunctioning and feel that 1 issue is causing the excess.

    thanks in advance! Pictures to come

    2018 Tundra limited crew max 192,000 miles
     
  2. Mar 2, 2024 at 8:03 PM
    #2
    Joe333x

    Joe333x Member

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    Boston
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    A common cause of these symptoms are the wheel speed sensors.
     
    Tripleconpanna and 2mchfun like this.
  3. Mar 2, 2024 at 8:06 PM
    #3
    2mchfun

    2mchfun Cool story, but did your new TTV6 tow a shuttle?

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    Sounds like you might have a wheel abs sensor issue. Likely related to a wheel bearing failing. Jack up each corner and wiggle the wheels a little as you spin them. There shouldn't be much movement and after you have done them all you should be able to identify a difference if one is bad.
     
  4. Mar 2, 2024 at 8:08 PM
    #4
    2mchfun

    2mchfun Cool story, but did your new TTV6 tow a shuttle?

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    Seat covers, dash mat, ext. Trans. Cooler, sumo springs, oem pwr fld tow mirrors
    BTW welcome to the forum from OKC!
     
  5. Mar 2, 2024 at 8:15 PM
    #5
    Bakershack

    Bakershack Critical of Noncritical Thinkers

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    Welcome from LA (Lower Alabama)!
     
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  6. Mar 2, 2024 at 8:55 PM
    #6
    Tripleconpanna

    Tripleconpanna Just an X who bought Bud Light from Target

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    Probably already covered (wheel speed sensor/ABS sensor), but pull the codes (full run not just 'common codes') and see what you come up with...

    Once you've logged the codes, clear them out and see if they come back on... Moisture, running through rain puddles, etc. can sometimes trigger the faults, and once the reset is done they may self-resolve. However, w/your milage, it's a good chance you've got a bad sensor....

    Good luck on a quick and inexpensive resolution and welcome to the forum :thumbsup:
     
    2mchfun likes this.

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