Radio comes on ...no sound 2013 SEL

ugenetoo

Veteran Member
Joined
Mar 26, 2012
Location
north maine
TDI
Two 03 wagons one 03 sedan All manual TDIs
B7 2013 Passat SEL TDI .
The radio comes on but no sound comes out.
VCDS scan shows:
Control module for digital sound package (J525)
004-no signal/communication
Fault Status 01100100

Where do I go from here to get this fixed?
 

x1800MODMY360x

Veteran Member
Joined
Jun 27, 2021
Location
AZ, USA
TDI
2013 Passat TDI SEL
B7 2013 Passat SEL TDI .
The radio comes on but no sound comes out.
VCDS scan shows:
Control module for digital sound package (J525)
004-no signal/communication
Fault Status 01100100

Where do I go from here to get this fixed?
Check the amp under the driver seat, it may need to be unplugged and plug back in to reset it.
 

ugenetoo

Veteran Member
Joined
Mar 26, 2012
Location
north maine
TDI
Two 03 wagons one 03 sedan All manual TDIs
Fixed it!
When I removed the plastic cover over the amp, there was a ton of corrosion on the backing plate.
I took a chance on the amp housing being compromised and ordered a used one on fleabay.
It worked.
 
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