A4(B5 Platform) Discussion - Radio Codes - Hey everyone I am sorta new to AW but i think i can figure it out. =) I have a 96 A4 Quattro 2.8 but my battery is shot A4(B5 Platform) Discussion - Code for unlocking RADIO in an AUDI A4, 2002 - I have an audi A4 2002. I recently had the battery removed and I totally forgot that this would make the radio go into safe mode. Unfortunatelly I can't find the code in the maintenance manual. Any ideas how i can get the code to unlock the Somewherebetween 1997 and 1998, VW and Audi started using diagnostics-capable radios in most of their models. they will record a fault code. The problem is, VW brought the "K-Line", the wire on which all of the control modules in the car communicate with the scan-tool to a pin in the connector on which older radios used to put +12 back A4(B5 Platform) Discussion - Concert Radio Codes - I got an Audi concert head unit from a U-Pull-It salvage yard. This is a previously refurbished radio based on the warranty sticker so the radio code stamped on it isn't the current one. I'm familiar with unlocking the A4 radios, but what's the best site to obtain Howto Unlock Your Audi Radio. Once you have your Audi radio code, you can unlock your radio by following these steps: Turn on your car’s ignition. Press and hold the “Preset” button until 1 A4 (B6 Platform) Discussion - radio reception gone bad all of a sudden - I own a 2002 Audi A4 3.0. The reception on the radio has gone really bad recently. I cannot get any channels on AM at all and the FM is very scratchy. In searching the forums it appears to be this is a common issue among Audi , and most of the Hereare the coding & wsc from an earlier scan w/the original ABS module: Code: Address 03: ABS Brakes Labels: No: 8D0 907 389 E Component: ABS/ESP allrad D56 Coding: 04397 Shop #: WSC 06435. Then about two weeks ago i was driving the home in traffic and the brakes completely locked up. Your Audi Radio Release Keys Here ----- https://amzn.to/2JWO8dPAudi Radio CodeCodes From Serial Number KvzOBEb.