I have a charge warning light on (punto Mk2 1.8 16v) and it appears that the body control module is leaving a negative on the charge light wire from the alternator - are the modules easy to replace or do they need programming ?

the body computer is ordered by chassis number and is already programed to your chassis number, and is dealer issue only ,unless some one knows different.as the start up codes are matched in the engine ECU and also in the body computer........ not to hard to change.but wont be cheap..............