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TCS messed up

This is a discussion on TCS messed up within the General Help forums, part of the LSx Technical Help Section category; Im trying to get my formula ready for winter and i cant get the TCS problem figured out. So when ...

  1. #1
    Just a souped up sunfire. Ryans99LS1's Avatar
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    TCS messed up

    Im trying to get my formula ready for winter and i cant get the TCS problem figured out. So when i turn the car on everything is fine. I can turn the system on and off, the light goes on and off. But the second i touch the gas the light comes on and says TCS OFF. i can be in park neutral anything, i think if i even hit the gas before i start it but with the ignition on, it turns off. I can coast down the driveway under the cars own power and the light is off until i touch the pedal.

    So what should i check out?

  2. #2
    Bone it like you own it FORD RECOVERY EXPERT's Avatar
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    Speedo and abs/ low trac acting up also, or no?

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    🤔 11s. blackbirdbrain89's Avatar
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    take ur tcs plate off and make sure theres not a broken slp box.... does ur light work on ur tcs button or is it just the dash.. the motor might be brunt out in the tcs its self.

  4. #4
    Veteran 0rion's Avatar
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    I don't have tcs on my car so I probably shouldn't even chime in here but I'm curious more than anything else and perhaps someone that knows might enlighten the both of us.
    On tcs cars isn't there a vacuum assembly that kills the throttle? And is it the same assembly that operates the cruise? The reason I ask is maybe something is up with that assembly. Is your cruise working?

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    Just a souped up sunfire. Ryans99LS1's Avatar
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    Quote Originally Posted by FORD RECOVERY EXPERT View Post
    Speedo and abs/ low trac acting up also, or no?
    Nothing else lights up, just the TCS OFF light

    Quote Originally Posted by blackbirdbrain89 View Post
    take ur tcs plate off and make sure theres not a broken slp box.... does ur light work on ur tcs button or is it just the dash.. the motor might be brunt out in the tcs its self.
    tcs plate? sorry im not familiar with our tcs systems at all. i know where the assembly is but thats it. And yes the button works.. i can shut it on and off before i hit the gas.

    Quote Originally Posted by 0rion View Post
    I don't have tcs on my car so I probably shouldn't even chime in here but I'm curious more than anything else and perhaps someone that knows might enlighten the both of us.
    On tcs cars isn't there a vacuum assembly that kills the throttle? And is it the same assembly that operates the cruise? The reason I ask is maybe something is up with that assembly. Is your cruise working?
    Yeah the cruise works great. thats why im a lil puzzled. Cus i though it goes through the same thing..

  6. #6
    Member blackbird0230's Avatar
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    Have a similar problem. My tcs light goes on and off when it pleases. Sometimes I can go for a drive and nothing happens but sometimes when I start it the light is already off and the tcs off light comes on. I would also like to know where this box is

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    Bone it like you own it FORD RECOVERY EXPERT's Avatar
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    Could be a dirty little T_S|S behind the tire.

    (Tire Speed sensor)

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    Alabama Member bamaz28's Avatar
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    Quote Originally Posted by FORD RECOVERY EXPERT View Post
    Could be a dirty little T_S|S behind the tire.

    (Tire Speed sensor)
    lol

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    Senior Member Redphoenix1998's Avatar
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    Quote Originally Posted by FORD RECOVERY EXPERT View Post
    Could be a dirty little T_S|S behind the tire.

    (Tire Speed sensor)
    I seriously thought Third Shift Studios and almost called you a dirty man! But I saw the parenthesis so it's all good. But anyways, also check to make sure your ABS is functioning, brakes are good, check valve to the brake booster. TCS defaults to off if there is a problem in the ABS system

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    Just a souped up sunfire. Ryans99LS1's Avatar
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    Quote Originally Posted by Redphoenix1998 View Post
    I seriously thought Third Shift Studios and almost called you a dirty man! But I saw the parenthesis so it's all good. But anyways, also check to make sure your ABS is functioning, brakes are good, check valve to the brake booster. TCS defaults to off if there is a problem in the ABS system
    Hmm well i havent really tried out the ABS but i do remember slamming on the brakes once and i did feel the brake pulsating..

  11. #11
    Senior Member Redphoenix1998's Avatar
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    pulsating is normal. If you were in my area I'd scan it for you. Best way to know for sure is via a scanner to read for TCS or ABS codes. Half the time you don't know there are any because there's not really a check TCS light only a trac off. You may have to bite the bullet, go to a shop and have them scan it for you to get the issue

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    Just a souped up sunfire. Ryans99LS1's Avatar
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    Quote Originally Posted by Redphoenix1998 View Post
    pulsating is normal. If you were in my area I'd scan it for you. Best way to know for sure is via a scanner to read for TCS or ABS codes. Half the time you don't know there are any because there's not really a check TCS light only a trac off. You may have to bite the bullet, go to a shop and have them scan it for you to get the issue
    Well see thats the thing.. its not throwing any codes.. or are you saying once the TCS OFF comes on its technically throwing a code that i can scan? My buddy has hptuners, could i use that?

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