Technical Abs light on fault codes c1046 / c1047

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Technical Abs light on fault codes c1046 / c1047

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Jan 8, 2010
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Wales
Hi all i have a 2007 Ducato van 250 model with ABS light on and C1046 and C1047 fault codes , sometimes feels like the ABS is activating when braking at normal speeds / road conditions . Anyone had similar problems and is this gonna become a cash cow , just had new body control unit and engine wiring loom all due to wipers that stopped working . The van has only ever been owned by me well looked after and 72000 miles it might be time to sell?
 
The ABS circuit measures a difference in wheel rpm during normal driving, as if the wheel diameters left and right are different. That is probably not the case, except when one tire has lost most of its air.
There are magnetic sensors mounted in the brake units that may have collected dirt containing iron dust from the brake discs. Try cleaning the gap with compressed air.
It may also be caused by a bad wheel bearing and - like any other Fiat fault code - there may be a bad electrical contact.
 
I had very similar on a Ford Fiesta. It was a rear wheel bearing problem. A local garage diagnosed it and replaced the bearing for a reasonable charge.
 
I think those are solenoid malfunction codes not sensor codes first thing is check the wiring a plugs for damage signs of water ingress
 
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