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ABS, TCS And Brake lights stay on

This is a discussion on ABS, TCS And Brake lights stay on within the General Help forums, part of the LSx Technical Help Section category; The tree lights stay on constantly and the TCS switch is not functioning. Any ideas? I was told on of ...

  1. #1
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    ABS, TCS And Brake lights stay on

    The tree lights stay on constantly and the TCS switch is not functioning. Any ideas? I was told on of the ABS sensors could be bad causing this. Any help would be apprecitated.

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    Senior Member bigrondownhiller's Avatar
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    1996 Camaro Z28 vert

    Most likely one of the abs sensors. I have had the abs inop/tc come on but not the brake light. You can try cleaning the sensors. If that doesn't help you need to go to the dealer or someone with a tech 2 scanner to get the abs codes.

  3. #3
    Senior Member Z28boy2000's Avatar
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    2000 Camaro B4C

    had the same problem, cleaned the sensor and poof their gone
    2000 B4C Special Service Package Z28 - Kooks 1&7/8 Stepped 2'' - TSP Torquer V.2 - FAST 92/92 - BDR 4000 Conveter - Xtreme Trans Stage II - Full UMI Suspension - Pacesetter LT's - Comp Drag Shocks - Magnaflow - Cutout - ZO6 MAF - FTP LID - Street Tuned -

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    Moderator 35th-ANV-SS's Avatar
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    I agree with above. Check to make sure all your connection to all your ABS sensors are secure and that the sensors themselves are clean. Your TCS light will always be on if your ABS inop light is on. The TCS cannot function without the ABS working. Once you fix your ABS issue, I bet your TCS light goes away also.

    Good luck.

  5. #5
    Member DaddySS's Avatar
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    Also check the wiring in the rear - mine was rubbing due to the car being lowered and broke one of the wires.

  6. #6
    Member joedude02's Avatar
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    i put on et streets and the tire was 26' tall. that set mine off unless i lowered the air pressure. probably not your issue, but that's what caused mine.

  7. #7
    Member 01 SS Vert's Avatar
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    When mine came on, I bought an ABS scanner and it was the entire control module that bad. I thought it was a speed sensor, but they turned out to be fine. I bought a used module for under $60. I love the scanner!

  8. #8
    Senior Member Redphoenix1998's Avatar
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    Scan for codes for sure. More than likely a wheel speed sensor took a crap

  9. #9
    Bone it like you own it FORD RECOVERY EXPERT's Avatar
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    +1 for dirty/bad TSS

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