Question about 1999 Buick Century

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Service engine light that comes on all the time

It comes on very time I make a trip home. About half way between there are could of large hills and it comes on as I climb them. Then stays on for weeks, and then resets. Also comes on if I go a long trip. I will be on the whole time.

I had it tested at Auto Zone and found it is a BBtransmission error, input shaft is faster than out put shaft.. What does this mean? How do I fix it? Cound it be a bearing on one wheel that has gone out and is not working properly?

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  • heather_durf Jun 23, 2009


    BBtransmission component slipping 4th gear with TCC engaged BBthe ECM has detected ecessive slippage. BB3-Internal transmission fault



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What was the code?

Posted on Jun 23, 2009

  • honeymokey
    honeymokey Jun 24, 2009

    Not a GM code. May be a faulty input or output sensor.



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