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T 0430

This is a discussion on T 0430 within the General Help forums, part of the LSx Technical Help Section category; Does anybody know what this code is? I put in a 343 rear end and this code keeps popping up. ...

  1. #1
    Junior Member maksSS's Avatar
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    T 0430

    Does anybody know what this code is? I put in a 343 rear end and this code keeps popping up. I've done some reading and couple of places say it's one of my cats that aren't working. Do I have to replace both cats?

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    Junior Member maksSS's Avatar
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    Sorry I meant to say 373 not 343

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    O U 8 1 2 Spaz's Avatar
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    i believe that is the code for your cats crapping out...

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    old timer blue02Z's Avatar
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    You mean "p" right? There are no "t" codes

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    O U 8 1 2 Spaz's Avatar
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    Quote Originally Posted by Spaz View Post
    i believe that is the code for your cats crapping out...
    ok...
    http://www.obd-codes.com/p0430

    it's either your cat or the 02 sensor... did you have your exhaust off at all when you were installing the new rear??? make sure all the 02 sensors are plugged in...

  6. #6
    Junior Member maksSS's Avatar
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    Does anyone know why the abs won't work with this new rear end? I rear ended someone today because only one tire would break and the abs wouldn't work so the tire locked up. It startesd to say abs inoperable from the time I changed my rear end.

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    old timer blue02Z's Avatar
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    Speed sensors are prolly effed up on the rear. Wrong air gap or something

  8. #8
    Junior Member maksSS's Avatar
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    Angry Worst day ever!!

    So I changed my rear end to a 373 and the ABS light came on. It says ABS inoperable. So I was driving and had to get on the breaks and only one tire works and it locks up so I end up rear ending someone!! So my question is what happened and is it the sensor on the rear end or something else I have to change and what is it? Please help!!!

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    Senior Member 98maro's Avatar
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    That light could mean many things
    The best thing get it scanned.
    I'm telling you by previous experience

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    Smiles for 9.5 Years cammed goat's Avatar
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    I think you need a tune to recalibrate the rear ABS sensors to read the new ratio. I could be wrong though.

  11. #11
    Senior Member tatertot91's Avatar
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    Did you change the carrier for the gear swap?

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    Life in the Fast lane sunsetorangess's Avatar
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    Quote Originally Posted by maksSS View Post
    Does anyone know why the abs won't work with this new rear end? I rear ended someone today because only one tire would break and the abs wouldn't work so the tire locked up. It startesd to say abs inoperable from the time I changed my rear end.
    Did you replace the entire rear end or just the gears?
    J
    2001 SS, Its not the car its the Driver that matters....

  13. #13
    Junior Member maksSS's Avatar
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    Quote Originally Posted by sunsetorangess View Post
    Did you replace the entire rear end or just the gears?
    J
    I just chaged my gears. The housing is still the same. I'm confused if its the vehicle speed sensor or something wrong with my set up.

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    Moderator Cutlass's Avatar
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    do you have ABS and traction control (ASR) or just ABS? There are 2 different ABS speed sensor setups based on what your car has.

  15. #15
    Junior Member maksSS's Avatar
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    I just have abs. But the new 373 has limited slip. I don't know if that affects it?

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    Moderator Cutlass's Avatar
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    did you put that big reluctor ring back on there?


  17. #17
    Junior Member maksSS's Avatar
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    yeah it's in there. What I ended up doing was putting in a new differntial on that seemed a little bigger than my previous one. I think it's called "Auburn" or something like that. Well when the rear end was assembled and the shop was testing it, they said that the sensor on the rear end wasn't reading it for some reason, so I just thought the sensor went bad. I changed the sensor and it didn't change anything. My check engine light and ABS INOP light along with my air bag light are all on. I have no idea what it is! All I can think is that it has something to do with the differential. My breaks worked just fine and no lights were on till the gear swap.

  18. #18
    Senior Member tatertot91's Avatar
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    There are two different size reluctor gears. One is a little wider so that the sensor can read it and there is a possibility you could be using the wrong one. I didn't know about this either and ended up having ABS issues as well.

  19. #19
    Junior Member maksSS's Avatar
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    Quote Originally Posted by tatertot91 View Post
    There are two different size reluctor gears. One is a little wider so that the sensor can read it and there is a possibility you could be using the wrong one. I didn't know about this either and ended up having ABS issues as well.
    Did your ABS not work. It's weird because only one of my tires worked when I hit the breaks and it locked up and I slid. Hopefully that's the issue and I can get it fixed. I'm taking it in this week to see if that's the issue. Thanks for your help.

  20. #20
    Senior Member tatertot91's Avatar
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    Quote Originally Posted by maksSS View Post
    Did your ABS not work. It's weird because only one of my tires worked when I hit the breaks and it locked up and I slid. Hopefully that's the issue and I can get it fixed. I'm taking it in this week to see if that's the issue. Thanks for your help.
    How are you for certain only one locked up? With no ABS your car will usually slide one way versus staying straight.
    Does the ABS light always come on or does it come on after a while of driving?

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