hola alguien sabe de que puede ser este error he revisado los conectores de radio y estan bien ,y el coche es practicamente nuevo

Tuesday,02,March,2010,13:59:40:43663
VCDS Version: Release 805.0

Address 56: Radio
Control Module Part Number: 1T0 035 680 B
Component and/or Version: RNS-MID H11 1200
Software Coding: 040004000400009200
Work Shop Code: WSC 77763
1 Fault Found:

00856 - Radio Antenna
007 - Short to Ground
Freeze Frame:
Fault Status: 01100111
Fault Priority: 5
Fault Frequency: 3
Reset counter: 36
Mileage: 2112 km
Time Indication: 0
Date: 2010.03.02
Time: 11:04:20