Afterthat you should adapt precoded key to your car. It's impossible to do both procedures using VCDS. I use original AVDI for such operations. There are early Audi A4 B7 vehicles with immo 3 (approx. 2004-2005) for which you can use clear Megamos 48 chip and adapt it with VCDS knowing PIN.
Inthis video I show you how to replace the Audi Key fob battery and how to reprogram it without using any tool (DIY) and in just a minute.#audi #keyfob #rem 5 Wait 30 seconds for the programming cycle and programming mode to close. The first two keys are internally (inside the ECU) designated as MASTER keys and the 3rd key inserted will be internally designated as3Take the key A remote and press the "UNLOCK" button ONCE only - alarm will 'beep'/lights flash, but door will remain locked. 4.Wait for a slow count of 10. 5.With key A, unlock and lock the door again (using the key not the remote). 6.Test the remote by pressing the "UNLOCK" button again - door should unlock.
VWTouareg 2012 key leraning video . AUDI KEY PROGRAMMING DEVICE BY OBD II . Audi A4/A5/S5/RS4/S4/ Q5 2007+, Audi A6 2010+, Audi A8 2010+, Audi A7 2010+, VW Touareg 2010+ AUDI KEY A4(B7 Platform) Discussion - Getting a key Cut - I purchased a blank key for my 2007 A4. I called the Audi dealer and was told at first they could cut the key (they have a machine) and the coding would cost $70. But when we order them Audi programs the key and cuts it. Then when the key gets to your dealer the car is thenAfew weeks ago, I stumbled upon an eBay listing for an aftermarket B7-style key, but advertised as having a transponder supposedly matched to our B5 S4s. I received it yesterday, and it works! The only programming is for the remote to unlock/lock the doors Sent from my iPhone using Tapatalk 2021 Audi A4, 2000 Audi S4, 1995 BMW M3Ihave recently picked up an A4 2005, previous owner changed battery in the key and since then remote buttons on the key havent worked. Sure enough, ive tried to 40828K views 1 year ago Adding replacement keys can be done by yourself with the right tools. This is the most complete guie to adding keys and programming the central