Head unit stopped working

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plush

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This has happened twice. A few weeks back, when I got in nothing worked, radio, gps, back up camera. All the stuff you normally see coming from display. It came back on while driving. It is now off again and I can't seem to get anything to work. Any ideas? It might be a loose wire or maybe some issue with lockpick GMX550. But I have had this in for a year.
 

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This has happened twice. A few weeks back, when I got in nothing worked, radio, gps, back up camera. All the stuff you normally see coming from display. It came back on while driving. It is now off again and I can't seem to get anything to work. Any ideas? It might be a loose wire or maybe some issue with lockpick GMX550. But I have had this in for a year.

Check all of the plugs unplug blow in them and plug back in is what I would try and if that's not it it's probably the lock pick but I have no experience with lockpicks.
 

Modded

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It could very will be an issue with the lockpick. Could also be a loose harness connector from the rear.
 
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plush

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Well, after taking it all apart. I still did not find any issue. Everything was plugged in and from reading the book, the fuse that I thought it was was good. Also, forgot to mention that rear A/V controls don't work as well, and no Bluetooth.

Rather strange.
 
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plush

plush

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No one has had this issue?
 

gitrduun

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Look for simple things first, go into your fuse box nd make sure that the fuse is sitting tight against the pegs, I had this issue with an engine fuse and though I needed a new ECM but it was just the fuse not having contact
 

cmblack13

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I will tell you that I have had similar problems from my lockpick GMX550. Its happened to me around 5-6 times now since I have owned the lockpick. Most recent was about 2 weeks ago where the headunit goes black dont have any controls over it and also if you notice your "TURN SIGNALS" Dont make a sound anymore either. They will all function but dont make any clicking sounds when turned on.

One question for you is....where are you located? Is your vehicle left out in the sun during the day?? is it hot where you are? Just curious as my issues tend to be after I have been driving pretty far, car has sat out in alot of heat etc.

Mine normally comes back on a few hours later or I just leave it until late in the evening and it comes back on
 
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plush

plush

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Look for simple things first, go into your fuse box nd make sure that the fuse is sitting tight against the pegs, I had this issue with an engine fuse and though I needed a new ECM but it was just the fuse not having contact



Which fuse, that is the problem?

---------- Post added at 08:10 PM ---------- Previous post was at 08:09 PM ----------

I will tell you that I have had similar problems from my lockpick GMX550. Its happened to me around 5-6 times now since I have owned the lockpick. Most recent was about 2 weeks ago where the headunit goes black dont have any controls over it and also if you notice your "TURN SIGNALS" Dont make a sound anymore either. They will all function but dont make any clicking sounds when turned on.

One question for you is....where are you located? Is your vehicle left out in the sun during the day?? is it hot where you are? Just curious as my issues tend to be after I have been driving pretty far, car has sat out in alot of heat etc.

Mine normally comes back on a few hours later or I just leave it until late in the evening and it comes back on

No, I am in a garage at work and home. I talked to CoastalTech today and they said that you should still hear sound. I get nothing.
 

cmblack13

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Which fuse, that is the problem?

---------- Post added at 08:10 PM ---------- Previous post was at 08:09 PM ----------



No, I am in a garage at work and home. I talked to CoastalTech today and they said that you should still hear sound. I get nothing.

samething with me..I dont get anything.
 

felixgun

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Do you see anything on your nav screen at all or is it off/completely black? I had my lockpick die on me which caused everything else to shut down. I had to un-install the lockpick and went through hell and back with coasteltech/3rd party seller of lockpick to get a replacement. Once I got it replaced/re-installed everything worked again.
 

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