had same problem there is a cog ring where the sensor is turn ur wheels so u have a look and mine was cracked part is £100 from renault cost £70 to fit Renault want £300 ,for the abs light to be on it will fail its mot , diagnosic just says ur sensor is broke and there charge u for that and u will still have the problem
andy9122005@blueyonder.co.uk, November 2008