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Check engine light w/ the little traction control light came on..

Discussion in '2nd Gen. Tacomas' started by twistax, Aug 20, 2011.

  1. Aug 20, 2011 at 6:18 AM
    #1
    twistax

    twistax [OP] Well-Known Member

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    Set of LED work/emergency lights 4x LED Puddle lights under doors 2x LED accent lights under chasis both sides 2x LED reverse lights 2x LED Rear Red Signal lights
    Anyone had this before?
     
  2. Aug 20, 2011 at 6:29 PM
    #2
    iowa530

    iowa530 Well-Known Member

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    Haven't had this in my Tacoma, but I did have it in my 99 Camry. Most anything that throws the check engine light will cause the traction control function to shut off. I think this is because the traction control uses some engine braking/ decreasing rpms, etc... In the case of my Camry, the CEL was caused by a problem with an emission control (circuit malfuction in the charcoal canister). Solve the CEL issue and the trac control light should go off.
     
  3. Aug 21, 2011 at 4:56 AM
    #3
    reg boulette

    reg boulette Well-Known Member

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    Got that combination on a rainy day after a lane change. After a couple of starts it went away. Still under warranty, so went to dealer who diagnosed brake light switch at the brake pedal as the problem and replaced it - diagnostics from freeze frame data in ECU.

    Actually think problem was aftermarket trailer wiring and adaptor gone tits up - noticed strange lighting happening with the trailer where previously worked fine. Bit the bullet and bought the official Toyota harness (at the official Toyota price) and no problems since. A lot of different functions run on similar wiring circuits to save manufacturing costs, so one little thing wrong can screw up a lot of others.
     
  4. Aug 21, 2011 at 5:19 AM
    #4
    Tacoma Mike

    Tacoma Mike 41 Year Toyota/Chrysler Tech/ASE Master

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    Engine and abs/trac go hand in hand sharing inputs. So the trac light comes on because it will no longer accept a possible wrong input.

    Reg and iowa are correct and i always suggest like in Reg's case factory trailer harnesses. I take out way to many aftermarket because of those issues.

    Nice to see a site that passes on real world info with the correct conclusion.
     
  5. Aug 21, 2011 at 5:47 AM
    #5
    Texoma

    Texoma Well-Known Member

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    Mine came on after I sea foamed the engine, I was wondering why the trac light came on with it, then I figured it was because of the previously stated. I knew why my light came on so I just diconected the battery to reset it. But if you have something real, just take it to an auto zone or parts retail store like it and have them check your code if you don't own a code reader. They'll do it for free, cuz they wanna sell you the parts. Let us know what it is.
     
  6. Aug 21, 2011 at 5:48 AM
    #6
    Capita

    Capita Well-Known Member

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    Happened a few years ago to me and It was an o2 sensor
     
  7. Mar 17, 2013 at 7:21 AM
    #7
    HighLow

    HighLow Member

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    Check engine and traction control lights on. Its definitely not working. Almost wrecked truck yesterday as I lost control on a snow covered road. I will have to slow down until I get this fixed. Quessing I was carrying too much weight in bed that may have set it off?
     
  8. Mar 24, 2013 at 5:45 AM
    #8
    HighLow

    HighLow Member

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    Seems it was a loose gas cap on mine. Check that first. Light went off after 10 miles. Traction control working now.
     
  9. Mar 24, 2013 at 6:03 AM
    #9
    miniceptor86

    miniceptor86 Well-Known Member

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    Strange things happen in new vehicles, systems are so interrelated. Case In point but not On a Tacoma. Installing LED 1157 style bulbs in my wife's 09 Hyundai ET caused the ESC and cruise to mal function. Had a TSB for the brake light switch performed and the dealer ordered a new cruise control module. Problem reappeared, a light went on in the dark recesses on my feeble brain that the problem originally appeared after replacing a burned out stop light with the LEDs so I replaced them with incandescents and voila! ESC and cruise are functioning. Who'd a thunk it?
     
  10. May 7, 2013 at 5:50 AM
    #10
    4banger09

    4banger09 Well-Known Member

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    This happened to me today, went back home disconnected the battery, backed up 4 feet and it turned on again. So trip to the dealer I guess
     
  11. May 7, 2013 at 5:53 AM
    #11
    jhodge83

    jhodge83 Any dog under 50# is a cat and cats are useless... Staff Member

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    wat?
    go to a local parts store first and see if they'll read the codes. not sure if that'll work in canuckistan.
     
  12. May 7, 2013 at 6:15 AM
    #12
    97Blk_one

    97Blk_one Well-Known Member

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    A whole lot,But not satify
    Tire pressure also play major role on VSC and Check Engine Light , check those first make sure your tire pressure up to the specific requirement, if that did not work disconnect the negative battery and leave it about 15 minute or so..it's works for me
     
  13. May 7, 2013 at 6:42 AM
    #13
    4banger09

    4banger09 Well-Known Member

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    No tpms in my wheels been like that for a year plus. Going to disconnect for 15, the truck drives fine
     
  14. May 7, 2013 at 6:59 AM
    #14
    OZ-T

    OZ-T All of those moments....will be lost.....in time

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    I had these lights come on

    It was a loose gas cap

    The code was an Fuel Evap System fault
     
  15. May 7, 2013 at 7:23 AM
    #15
    4banger09

    4banger09 Well-Known Member

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    Just did 15 didn't work, I also cleaned the maf. It has to be a sensor or something stupid.
     
  16. May 7, 2013 at 7:39 AM
    #16
    biborado

    biborado Well-Known Member

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    This happens to me every so often. Do you have a Bluetooth OBD scanner plugged in? I tracked my light down to having my Bluetooth OBD ELM tool plugged into the OBD port... Seems like there is a conflict when it's plugged in. Happens once every month or so. Goes away on its own after two or three trips.
     
  17. May 7, 2013 at 8:27 AM
    #17
    jhodge83

    jhodge83 Any dog under 50# is a cat and cats are useless... Staff Member

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    wat?
    .
     
  18. May 7, 2013 at 8:36 AM
    #18
    seksilumpia

    seksilumpia Well-Known Member

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    for the engine code,try to get the code pulled. I know checking the gas cap is always unlikely to be the source of the problem,but in these tacomas i think there is a problem with our caps. Especially if you are not experiencing too many symptoms,then it most likely is a loose gas cap releasing ?hydrocarbons?. Im not too sure about the traction control light,but you may have to get the YAW sensor recalibrated. That happened to my friends 03 4runner and that fixed his problem. Good luck
     
  19. May 7, 2013 at 9:07 AM
    #19
    4banger09

    4banger09 Well-Known Member

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    Leveled
    Noted going to get them pulled now
     
  20. May 7, 2013 at 10:06 AM
    #20
    4banger09

    4banger09 Well-Known Member

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    Gave me a oxygen code so it could be the sensor or wiring, the tech said it is usually the sensor
     
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