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Old Nov 25, 2021 | 10:26 AM
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went to store for wife and started my 2015 c7 and the radio screen was totally blank. nothing worked. any suggestions? i just bought it with only 8244 miles on it.
help
fred
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Old Nov 25, 2021 | 08:05 PM
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Might want to take it in to the dealer and let them take a look at it. The screen on my car was acting up and they had to replace it - hasn’t had a problem since then.
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Old Nov 25, 2021 | 11:24 PM
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Early 2015? Lots of '14's had screen issues; just for kicks, you did check the fuse?
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Old Nov 27, 2021 | 08:52 PM
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Many threads on this, there is module in the drivers kick panel sometimes a connection comes loose try this before spending a fortune at the dealers
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Old Nov 28, 2021 | 11:36 AM
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-the next day everything worked and has since. so maybe your right about loose connection. thanks
fred
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Old Nov 28, 2021 | 12:31 PM
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Originally Posted by vete76
-the next day everything worked and has since. so maybe your right about loose connection. thanks
fred
Mine (a 2014) has gone black at startup a couple of times. It has always come up within a minute or so... Glad your's is back!
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Old Nov 28, 2021 | 08:18 PM
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Regarding the comment from jimhornz...

That is exactly what I had. They changed the screen and the HMI module but the problem reoccured almost a year later. I would sometimes hear static in the stereo just before the screen would go dark or lose some functionality, like the clock. I started wiggling the wires that plug into the HMI module and was able to replicate the problem. Glad the replacement HMI module and screen were both covered by an extended warranty. And I got upgraded Nav in my '14 with the new module...
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Old Nov 29, 2021 | 04:12 PM
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Originally Posted by vete76
-the next day everything worked and has since. so maybe your right about loose connection. thanks
fred
That is what my 2014 did... randomness was due to a lose connector. Here is where to check:



#4 in the diagram shows where all the wires plug in. The unit is up under the dash above the dead pedal.
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