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Defective ABS message on dashboard

Discussion in 'Electrics, Vacuum, Ignition and ECU' started by MercBay, Jan 4, 2013.

  1. MercBay

    MercBay Member

    Messages:
    13
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    Joined:
    Mar 23, 2012
    Location:
    Newcastle upon tyne
    Your Mercedes:
    E270cdi 2002
    Hello all & Happy New Year

    I have a 2002 E270CDI & recently, on starting ignition, had a battery symbol appear on dashboard, saying 'Defective, all electrical consumers switched off'.
    Then, the yellow ABS symbol appeared, followed by ESP, ABS, BAS all saying defective.
    The car is driving fine, and breaking appears normal.
    Its now in at the local indi garage & I'm awaiting their advices.

    Does anyone have any suggestions as to what may be the cause ie a faulty sensor, or something more serious?

    Thanks in anticipation...:neutral:
     
  2. television

    television Always remembered RIP

    Messages:
    164,074
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    310
    Joined:
    Mar 14, 2005
    Location:
    Daventry
    Your Mercedes:
    2002 SL500, 216 CL500, all fully loaded
    If the car has not been used that much, then the main battery could just be low and in need of a charge.

    If you start the car with the battery very low some of the ECU's cannot set correctly,,,, one can often just prove the point by taking the car for a drive, then re start and hopefully all messages will go, if they do all go, then just the rear battery needing a good charge once a month.
     
  3. DY2

    DY2 Senior Member

    Messages:
    224
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    6
    Joined:
    Sep 24, 2010
    Location:
    Bexleyheath, Kent
    Your Mercedes:
    W211 2003 E320 Cdi Automatic
    Original Battery? could need recharging, or renewing.

    Could be the alternator gone kaput and not providing charge back to the battery.

    Or a fault with the Battery Control Module...(Bolted to the rear of the car next to the rear battery).
     

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