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Pre-Collision System

Discussion in '3rd Gen Tundras (2014-2021)' started by Kenro83, Sep 23, 2018.

  1. Sep 23, 2018 at 6:35 AM
    #1
    Kenro83

    Kenro83 [OP] New Member

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    Got a pre-collision system malfunction alarm. Any ideas what causes this??
     
  2. Sep 23, 2018 at 9:48 AM
    #2
    eb_tundra

    eb_tundra New Member

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    I think it tells you more info, like that you should clean the sensors? Also if the truck is lifted or has a custom grille or bumper it may mess with the system's idea of normal. This stuff is ultrasonic I believe.
     
  3. Sep 23, 2018 at 10:02 AM
    #3
    smooosh

    smooosh This place costs me too much $

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    what where you doing at the time. What modifications have you made to the truck
     
  4. Sep 23, 2018 at 10:15 AM
    #4
    Kenro83

    Kenro83 [OP] New Member

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    Got home from dinner, went back out to go to the store, happened when I started it.

    Its brand new, only a month old. No mods done to it AT ALL.
     
  5. Sep 23, 2018 at 10:17 AM
    #5
    smooosh

    smooosh This place costs me too much $

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    You must have a bad one. I have only had it twice. Once coming out of a car wash and the second time offroading on the beach. It went away both times and have had no issues since.
     
    Kenro83 [OP] likes this.
  6. Sep 23, 2018 at 12:29 PM
    #6
    Razorwyre

    Razorwyre New Member

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    Mine comes on occasionally, I am wondering if it happens in rain. The light always turns off eventually.
     
    Kenro83 [OP] likes this.
  7. Sep 23, 2018 at 1:06 PM
    #7
    Omohundro

    Omohundro 2018 Not a Pro

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    McMinnville TN
    Vehicle:
    2018 Tundra Platinum
    Bak Revolver, BedRug, Undercover Swingcase, PopLock, Bilstein 5160(rear), Firestone RideRite, TRD rear sway bar, Coachbuilder +2 rear shackles, Andersen 5” aluminum adjustable hitch, TRD dual exhaust, VLEDS interior leds including the footwell kit, VLEDS LPR backup tag mount led, Husky X-Act mats, Color matched cup holder bezel (silver), Ceramic 20% tint all around, 75% Ceramic windshield, Color Matched door handles & mirror caps, The “Stubby” antenna, AMP Research steps, 72” LED step lights, ToyTec/5100 Bilstein coil overs, 700lbs red ToyTec springs (2.5” lift), 20x9 +25 Black Rhino Tembe wheels, Gorilla spline lugs, Nitto Terra Grappler 285/55R20 (rubs front liner extensions), TRD skid plate, 19 Pro black LED headlights, VLEDS Triton V6 turns, Rigid SAE D series fog lamps, 19 TRD hood scoop, 2016 TRD Pro grille, Coachbuilder bumper shims, X-Pel protect under mud guards, X-Pel Ultimate wrapped from lower body line, Opti Coat Ceramic, Opti Coat Sealed. And some snakes and sparklers, because they are my favorite!
    Mine has 400 miles on it and it has done it about 10 time so far, driving me nuts. I have started taking pictures to document it because I know Toyota is going to tell me I'm the only one.
     
  8. Sep 23, 2018 at 1:44 PM
    #8
    LT75

    LT75 Seasoned Pro

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    Saint Charles, IL
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    No mods yet
    A few lengthy threads on this guys
     
  9. Sep 23, 2018 at 1:46 PM
    #9
    smooosh

    smooosh This place costs me too much $

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    Ongoing project
    I have an original 2018 (bought in October) and I never have it. I have had it twice but under extreme conditions so if you’re getting it allot there is a problem.
     
  10. Sep 23, 2018 at 1:49 PM
    #10
    Omohundro

    Omohundro 2018 Not a Pro

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    McMinnville TN
    Vehicle:
    2018 Tundra Platinum
    Bak Revolver, BedRug, Undercover Swingcase, PopLock, Bilstein 5160(rear), Firestone RideRite, TRD rear sway bar, Coachbuilder +2 rear shackles, Andersen 5” aluminum adjustable hitch, TRD dual exhaust, VLEDS interior leds including the footwell kit, VLEDS LPR backup tag mount led, Husky X-Act mats, Color matched cup holder bezel (silver), Ceramic 20% tint all around, 75% Ceramic windshield, Color Matched door handles & mirror caps, The “Stubby” antenna, AMP Research steps, 72” LED step lights, ToyTec/5100 Bilstein coil overs, 700lbs red ToyTec springs (2.5” lift), 20x9 +25 Black Rhino Tembe wheels, Gorilla spline lugs, Nitto Terra Grappler 285/55R20 (rubs front liner extensions), TRD skid plate, 19 Pro black LED headlights, VLEDS Triton V6 turns, Rigid SAE D series fog lamps, 19 TRD hood scoop, 2016 TRD Pro grille, Coachbuilder bumper shims, X-Pel protect under mud guards, X-Pel Ultimate wrapped from lower body line, Opti Coat Ceramic, Opti Coat Sealed. And some snakes and sparklers, because they are my favorite!
    Yeah, there is a problem
     
  11. Sep 23, 2018 at 4:03 PM
    #11
    Kenro83

    Kenro83 [OP] New Member

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    My thoughts also
     
  12. Sep 23, 2018 at 6:12 PM
    #12
    netranger6

    netranger6 New Member

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    2021 Crewmax. 4x4, SR5, Blacked Out package
    None. Keeping this one stock.
    Take to dealer. Welcome to club
     
    Kenro83 [OP] likes this.
  13. Sep 23, 2018 at 6:18 PM
    #13
    LT75

    LT75 Seasoned Pro

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    No mods yet
    Mine started at the 3 week ownership mark. 9500 miles later it’s still screwed up even after 3 sensor replacements. Anyone hear of a recall yet? Not that it would help. I guess you can’t have a recall when you don’t know how to fix it.
     
    Kenro83 [OP] likes this.
  14. Sep 24, 2018 at 5:03 PM
    #14
    eddie98

    eddie98 New Member

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    Atlanta, GA
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    N-Fab Podium Steps, Line-X, Bed Lights
    Mine has done it a couple of times in 9000+ miles. Today it actually worked. 2 cars in front of me, the car decided he wated to turn left at the last minute and slammed on the brakes. I was starting to move to make the yellow and it went off.
     
    Kenro83 [OP] likes this.
  15. Sep 27, 2018 at 8:18 PM
    #15
    PA452

    PA452 New Member

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    My warning light has gone off twice. The first time was a few hours after some really heavy rain. The second time was during some heavy rain.

    Unless it becomes more frequent, I'm not worried about it. We'll see.
     
    Kenro83 [OP] likes this.

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