My radio loses power, onstar quits and all bluetooth apps disappear, and a message appears on screen"service rear vision systems" I have no rear vision system
SOURCE: Service Traction System
it could be a bad ABS sensor or a dirty one or it could be a bad speed sensor both run tration system .have the code read and it well tell you which wheel or if it the transmission speed sensor
SOURCE: while driving gauges drop and radio loses power
It sounds like you have a bad ground. check ground going to body from battery and also check the dash area for ground.
Possible ignition switch on steering column is melting/overheating.
(Switch is plastic with metal tabs. If they heat up too much, plastic melts and there is no contact.)
SOURCE: my radio has power but no sound , radio and amp checked out okay
if your antenna wire is unpluged it wont work
SOURCE: Onstar/Bluetooth voice recognition system not working.
I purchased a 2010 Nox a few months ago and my bluetooth has been working fine until a few weeks ago. It has stopped recognizing commands, it doesn't even recognize my phone any longer. I deleted my phone and tried to add it again and it will not do anything. I have contacted the dealership for a service appointment.
SOURCE: Sound system not working properly
The power output stages in many circuits are comprised of a module containing both or more channels and this may have failed. The low level signal for headphones is normally picked off before it reaches the input of the final module.
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