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03 cadillac escalade
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Discussion Starter #1
Ok lately I have noticed some weird behavior from my nav radio
Multiple times I have had a class-2 data link malfunction code but only one time did the radio act up(suddenly full blast volume by just one press of the steering wheel control volume up)
The codes I have pulled are
B1004 keep alive memory (Kam) reset(never have disconnected the battery recently nor removed the fuse)
B2462 Global Positioning System(gps) signal error(no antenna so this is expected)
U100 class-2 data link malfunction (this code also showed up in the air bag system) this one is odd and showed up at the same time the volume went full blast

I don't know if these codes have anything to do with the bcm or if the bcm can cause this but I find it odd only the radio is throwing the same code multiple times
 
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