Some Modules require a valid Login before you can re-code them.Ī feature unique to VCDS: You can leave the Work Shop Code unchanged, or enter any workshop code you desire.There is no other way to 'undo' or restore the original values if what you're trying to do doesn't work out. At the very least, write down the original values, saving an AutoScan is a great way to do that. You should refer to the Factory Repair Manual for your particular car (or some other documented procedure) before attempting to Recode a Control Module.Recode is used to set various options in a Control Module.