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    Thread: U0100

    1. #1
      What's wrong with my car?
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      U0100

      08 keep getting this code. Checked grounds ?
      help!!!
      runs but rough and slow.



    2. #2
      Almost time to do my timing belt
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      That's a nasty code which can be a RPITA to diagnose. You might start by checking CAN wiring continuity, before hanging on any computer modules.

    3. The Following User Says Thank You to avguy For This Useful Post:

      MetroMPG (05-24-2017)

    4. #3
      Aveo Whisperer 06T200's Avatar
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      Definitely check all grounds, and connector 101 (C101) under the coolant tank. Usually a break in the CAN harness or dirty connector. C101 is the weak link. Search for u0100 I have posted my nightmare from years ago.



    5. The Following User Says Thank You to 06T200 For This Useful Post:

      MetroMPG (06-19-2017)

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