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Old 12-05-18, 12:52 PM   #1
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Join Date: Jan 2017
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Cool U0121 / PO151 Fault Codes

Hi all,

Pug 207 Sport 1.4 16V 58 plate, currently has the below fault codes:

U0121 - No connection to ABS/ESP
P0501 - Vehicle speed info invalid

Battery & alternator fine, ABS is also working fine although when faults show, PAS does get heavier.

Any thoughts on what this could be?

Thank You
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Old 12-05-18, 07:45 PM   #2
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Main fault is a wiring/connection issue in ABS system. P0501 is as a result of this and will clear when U0121 is sorted.

Check connectors/wiring/fuses for continuity/corrosion/water ingress.
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Old 13-05-18, 09:41 AM   #3
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Hi,

I looked in the fuesbox under the bonnet and found water and green corrosion in the middle brown plug... A couple of the pins are missing due to corrosion..

I have been told the wires can be bridged, does this sound okay?

Cheers,
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