Join Date: Jul 2005
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Could be dirt/corrosion on the connections to the main sensor "control box" which is located under the vehicle. You may have an intermittant connection which spookily appeared/disappeared as you went over a bump in the road!
Otherwise try the other thread mentioned in the post above for more ideas.
Currently in SportTourer's garage:
2010 Laguna III SportTourer Initiale Tom Tom.