BMW 1-Series Forum (F20) 135i - 1Addicts.com > Second Generation 1 Series Forum > 2012 BMW 1-Series Sporthatch (F20) Discussion > F20 DSC light
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      10-23-2017, 07:53 PM   #1
Keith Moy
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F20 DSC light

Hi All,

I have a 2013 F20 118i and the DSC warning comes up sometime recently. I plugged my computer and got the below fault codes

107A81 Throttle Valve, spring closing test: Malfunction
4809AB DSC: Undervoltage in Vehicle
8040F5 Ring aerial: Aerial fault
D02D58 Signal (wheel torque powertrain 1, 41.3.4) invalid, transmitter DME
D35A57 ICM interface (longitudinal acceleration, centre of gravity, ID: 0X199) Signal invalid
D36D58 Signal (wheel torque, pwoer train 1, 0x08F) invalid, transmitter DME

Have changed a new battery, got it registered already.
Alternator seems work too.

Problem still the there.

Any ideas?

Thanks and regards,
Keith
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      11-02-2017, 04:28 PM   #2
ovekvam
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All of these could have been caused by a temporary battery issue. Maybe the best way to find the issue is to clear all the faults, and wait until it happens again, and then check for fault codes.
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      11-06-2017, 08:20 PM   #3
Keith Moy
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Looks like is the problem of the DSC control unit. Can it be replaced by a used one? Need to change the VIN? By e-sys?
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