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Strange Electronic Gremlin

lahook

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lahook Enthusiast

lahook

Posted
Posted

I turned my ignition on to battery to listen the the radio. The radio was on and would function, but the speakers weren't working. I started the truck and still no speakers. Turned the radio off and on a few times, same thing with the key.I checked the radio and amp fuses (one in the cab one under the hood) both looked fine. I noticed that the door chime wasn't working either. Could of been other things also, just all I noticed.Tried the radio again still no sound. Was about to give up and the speakers and the door chime started working. It's been working fine now.

 

Any Ideas what happened?

Is the door chime and the speakers on the same circuit?

The radio is the standard CD player that comes in the base model truck.

 

I have and had some other little electrical problems: light on temp gauge burnt out

light would go out on one of the climate control temperature slides

during the winter my information center said some hydro boost brake problem

 

Are these items I should worry about or just consider them just a strange occurrence that probably won't happen again?

Any help will be appreciated.

ryank1 Enthusiast

ryank1

Posted
Posted

The door chime actually plays through the speakers. There was a problem on some trucks of your year that required a reprogram of the radio to correct the condition. If it happens again, pull the radio fuse and reinstall, if that works, your truck needs the reprogram. The other conditions sound like bad bulbs. As far has the hydro boost, I do think that there was a reprogram for that as well.

lahook Enthusiast

lahook

Posted
  • Author
Posted
The door chime actually plays through the speakers. There was a problem on some trucks of your year that required a reprogram of the radio to correct the condition. If it happens again, pull the radio fuse and reinstall, if that works, your truck needs the reprogram. The other conditions sound like bad bulbs. As far has the hydro boost, I do think that there was a reprogram for that as well.

 

 

So it could be my tuned computer module? I got the new one instead of sending mine off to get it programed. That was probably 2 years ago or so. Maybe if it happens again I'll put my original module back in.

I checked on a bulb for the temp gauge and the dealer said it would take a new cluster. I haven't taken the cluster out to see if I could unsolder an led and replace it. Not sure how hard the cluster is to remove.

Thanks for the information.

2017HD Enthusiast

2017HD

Posted
Posted

In my NBS 07 2500HD there are six computer modules. I had a problem with the cabin computer that caused the dome lights to stay on all the time. I found that two fuses controlled the dome lights, I pulled one that killed the lights as well as my dash lights wiht the engine running (they worked in the ACC setting) They other fuse caused the loss of the pass turn signals - wierd. The cabin computer also controls the climate control and the OnStar interface. Not sure what all the rest of the computers do.

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