Ok I'll start from the beginning.
Can and old RNS510 A B C version be set up for Fender audio? Will a firmware update to 1140 help?
Can and old RNS510 D E F G H I version be set up for Fender Audio? Will a firmware update to 4366 help?
Or does the RNS510 have to be higher then J revision...
Is there a way to change the dynaudio to normal audio while the RNS510 is out of the car. I have changed them via vagcom. I have bought this with no pin code and firmware messed up. I bench retrieved the pin code and installed the latest firmware for the E version and now the RNS510 is back...