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    Thread: OBD II diagnostic port help 09 Aveo

    1. #1
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      OBD II diagnostic port help 09 Aveo

      My port broke and all of the wires came out. I have some that are the same color. I have a replacement plug but no idea which locations to put them in. Is there a diagram somewhere? Any help finding it is appreciated.



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      This is from the service manual, I highlighted the connector pinout for you. Figuring out which BLK/WHT and DRK GRN wires are which will probably be your biggest problems... Name:  DLC.jpg
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      I only have one blk/wht wire for some reason

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      Quote Originally Posted by CursedAveo View Post
      I only have one blk/wht wire for some reason
      Do you have remote doors or the anti-theft system? It looks like the theft deterrent module may not be installed in all vehicles...

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      I have manual door locks but the theft system seems to be installed.

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      Quote Originally Posted by CursedAveo View Post
      I have manual door locks but the theft system seems to be installed.
      Looks like I misread the diagram but still got to a usable result. Yay for self-correcting mistakes...

      If you only have 1 blk/wht wire and no remote doors, that wire must be for the TPMS system per the diagram (I think they were required by that year). Just to verify, you have the tire pressure monitoring system, correct?

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      I'm not sure about the tpms but it also looks like it connects to electronic brake control system as well.

    8. #8
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      TPMS was required on all vehicles starting in 2007 according to a search I just did.





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