it most likely needs coding to your car.
If you have Bose and the car the headunit was removed from did not then the pre-outs will be disabled until coding.
Likewise
If you do not have Bose and the car the headunit was removed from did, then the speaker level outputs are disabled until it has been coded to say that Bose is not present.
Coding will need to be done with VCDS.
__________________
Manny
2004 A4 1.8T Sport Cabriolet, 89K Miles
Past
2004 D3 A8 3.7 Quattro, Xenon, Bose, Blinds, Solar Sunroof, TV, ACC, phone and almost every option. 168K miles rising slowly
with retrofit AMI and DVB-T in place of Analogue
2003 Volvo S60 D5 SE Manual, 197K miles.
2001 D2 A8 3.7 QS, Bi-Xenon, Bose, Blinds, Electric Everything, retrofitted RNS-D, 191K Miles
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