RCD310, RCD510 car radio decoding tool - CODECARD With this tool you can decode: VW RCD310 LOW EU (7647201360, 1K0 035 186 AA) car radio: read/write 95128 EEPROM, read code, change code, repair damaged radio (if radio original EEPROM file is lost), reset "wrong code try" timer; VWVortex - RCD-310 Pinout Question May 28, 2015I am sorry to bother you with this question on the RCD 310 pins. I installed a RCD 310 with Sat. on my 2006 Value Edition Jetta. I love it! But the display lights on my unit remains on at all times and is draining my battery slowly, and I want fix that. I am a newbie but I am wondering if you could shed some light on the subject.