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Dash lit up like the fourth of July.

Discussion in '2.5 Gen Tundras (2014-2021)' started by blaserdude, Sep 5, 2025 at 12:36 PM.

  1. Sep 5, 2025 at 12:36 PM
    #1
    blaserdude

    blaserdude [OP] New Member

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    Greetings,
    While cruising I81 North, the trouble lights on my 2019 Tundra lit up and cruise control shut down. Every function including BSM quit. Error messages from all systems (ABS, trailer brake, traction control, 4WD, parking brake, collision control, etc.. Drove it home sans Cruise control. Have an appointment next week. Runs OK. Back up cam and corner sensors still work. Truck has 92K and some Platinum warranty left. No codes found in ECM. Any thoughts?
    Regards,
    BC
     
  2. Sep 5, 2025 at 12:46 PM
    #2
    MadMaxCanon

    MadMaxCanon New Member

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    Too many, but not enough....
    Possible rodent damage or battery getting old. After you turn it off and on again does it do the same thing?
     
  3. Sep 5, 2025 at 1:27 PM
    #3
    blaserdude

    blaserdude [OP] New Member

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    The battery is just over 2 years old and voltage is good, cables snug. Truck stays in garage so rodent damage is unlikely. We had a church van do something similar and it turned out to be an ABS sensor.
    thanks,
    bc
     
    Leo's first likes this.
  4. Sep 5, 2025 at 1:31 PM
    #4
    Leo's first

    Leo's first TRUCK GANG

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  5. Sep 5, 2025 at 1:31 PM
    #5
    Red&03Taco

    Red&03Taco YUT

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    You scan it for codes?
     
  6. Sep 5, 2025 at 1:32 PM
    #6
    Leo's first

    Leo's first TRUCK GANG

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  7. Sep 5, 2025 at 1:35 PM
    #7
    Leo's first

    Leo's first TRUCK GANG

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    Usually a wheel speed sensor (abs) will throw a code
     
  8. Sep 5, 2025 at 1:35 PM
    #8
    Red&03Taco

    Red&03Taco YUT

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    :facepalm:whoops can't read today
     
  9. Sep 5, 2025 at 1:37 PM
    #9
    blaserdude

    blaserdude [OP] New Member

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    Correct. Our van did. My scanner is a Torque App and may not work well on this model.
    bc
     
  10. Sep 5, 2025 at 1:38 PM
    #10
    Leo's first

    Leo's first TRUCK GANG

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    Are all the lights still on?
     
  11. Sep 5, 2025 at 1:52 PM
    #11
    MadMaxCanon

    MadMaxCanon New Member

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    Too many, but not enough....
    A battery can have good voltage and still fail load test. Worth checking with a meter.
     
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  12. Sep 5, 2025 at 3:02 PM
    #12
    blaserdude

    blaserdude [OP] New Member

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    I dont have a load tester, just a voltmeter and the live readout on Torque.
    bc
     
  13. Sep 5, 2025 at 3:15 PM
    #13
    2mchfun

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

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  14. Sep 5, 2025 at 3:32 PM
    #14
    MadMaxCanon

    MadMaxCanon New Member

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    Too many, but not enough....
    You can still do it. Put the leads on the terminals and have someone start the truck while you watch voltage. If it dips below 10 during cranking your battery is bad.
     
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  15. Sep 5, 2025 at 4:50 PM
    #15
    blaserdude

    blaserdude [OP] New Member

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    Thanks. Will check tomorrow. Been a long day.
    bc
     
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  16. Sep 7, 2025 at 10:55 AM
    #16
    blaserdude

    blaserdude [OP] New Member

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    The problem seems to be common the Drive Start control error I am seeing. I am currently resetting the ECM by disconnecting the battery. More to follow.
    bc
     
  17. Sep 7, 2025 at 11:16 AM
    #17
    blaserdude

    blaserdude [OP] New Member

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    Reset did not help. Battery is at 12.3 volts at rest, upper 13s when running. Under hood fuses look good. Will check inside fuse box.
    bc
     

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