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Thread: Possible electrical nightmare?

  1. #1
    Join Date
    Mar 2014
    Location
    Kent, CT, USA
    Posts
    2
    My Cars
    2000 528i

    Possible electrical nightmare?

    So my battery went dead in my 2000 528i cause it sat for a while without it being driven (about two weeks) in the New England cold winter. I charged it and it started however the service engine light went on but everything seemed fine when driving it. So I took it to the Auto parts store so they can diagnose it for me. To my surprise, 15 codes came up mostly about transmission issues. The codes were: P 0720 (speed sensor)
    P1750 Dealer code,1757, 1749, 1748, 0727(speed sensor), 0723(incorrect gear ratio gear 2, 0733 gear 3, 0734, gear 4, P0705 (trans. range sensor), P0763(Shift solenoid).
    Could these codes be an anomaly from the battery being dead or something bigger that has yet to rear it's ugly head? If anyone is familiar with this please help. Thanks,
    Bill

  2. #2
    Join Date
    Sep 2006
    Location
    NW suburban Chicago
    Posts
    16,302
    My Cars
    hiss by my window
    Quote Originally Posted by billlesiw View Post
    So my battery went dead in my 2000 528i cause it sat for a while without it being driven (about two weeks) in the New England cold winter. I charged it and it started however the service engine light went on but everything seemed fine when driving it. So I took it to the Auto parts store so they can diagnose it for me. To my surprise, 15 codes came up mostly about transmission issues. The codes were: P 0720 (speed sensor)
    P1750 Dealer code,1757, 1749, 1748, 0727(speed sensor), 0723(incorrect gear ratio gear 2, 0733 gear 3, 0734, gear 4, P0705 (trans. range sensor), P0763(Shift solenoid).
    Could these codes be an anomaly from the battery being dead or something bigger that has yet to rear it's ugly head? If anyone is familiar with this please help. Thanks,
    Bill
    Clear the codes and move on.

    If you can leave two black stripes from the exit of one corner to the braking zone of the next, you have enough horsepower. - Mark Donohue

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