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Dead infotainment screen (and it's COLD)

5098 Views 18 Replies 10 Participants Last post by  QuandAns42
After work, I got in my Volt and the infotainment screen is completely blank (unpowered). The infotainment controls appear to work normally... they are lit up and an audible "click" is heard when they are pressed, I can change driving modes, seat heater controls work. But there is no radio, bluetooth doesn't connect to my phone, etc. Biggest issue is that I cannot control climate, and it's getting cold. I had it on Eco, which isn't cutting it for the polar vortex. Fan speed does change, I assume temp setting does too, but I can't change vents or to Comfort. Cycled car on and off a few times with no change.

Any ideas? Sounds like more than a dead display if bluetooth/radio aren't working. But a dead head unit wouldn't always blank the display (or maybe it would)? It's too cold to randomly check fuses right now, unless I know a specific one. I'll start checking my manuals for that, but appreciate any input.

Edit: fuse F4 (display) looked intact (not blown).
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If bluetooth is also dead, I'm guessing the brains behind the scene are dead/not responsive vs just blank display. Your HVAC still works because it's likely not actually part of infotainment, that system just sends a signal over the network which the HVAC module reads (and the physical buttons send those same signals, from a separate module from infotainment, if true)
I've had this happened to me a few weeks ago in my newly acquired 2013. Interestingly, the screen came on a little later during that drive.

Here i a new twist.

1) Last night, i was ready to leave work. It was around 0 deg F, my KoniVolt-2 ( 2013) was plugged in and fully charged. I did remote start, approached the car and noticed the ICE running. That should not happen while the plug is connected according to my settings.
Further more, after disconnecting and hitting the power button, the car acted as if the battery didn't exist. I could see it grayed out ( fully charged) but the car was in the ICE mode. This continued for about 7 or so miles of my drive home. No REGEN ( felt really odd), and the ICE running like mad. After about 7 miles it switched to battery power.
2) This morning, I decided to take my wife's KoniVolt-1 ( 2014). Similar conditions around 0 deg F.
I couldn't remote start. Got in, and noticed the same behavior as described above for MY2013 . Battery grayed out, only ICE
running like mad. Again - about 7 miles into my drive to work the power switched to battery.

Now - I have no history on the KoniVolt -2, but KoniVolt-1 has been around the block in much more harsh weather ( winter of 2014 / 2015 ) in upper Michigan where temps were as low as - 17 deg F ( thats MINUS) and the car worked as designed only doing ERDTT.

Has anyone experienced such phenomenon?
Yes, see link in my signature for more info. It is engine running due to battery temperature - battery is too cold to supply power, so engine takes over until it warms up. If you were plugged in, though, the battery heater should have kicked on to prevent you from getting that cold.
Ok, dealer just called me and said it needs a whole new radio unit, which costs $1200. That's insane. I assume by "radio unit" they mean the double-din sized thing behind the control panel... I see those on ebay for around $100. Does anyone know if this box "drives" the infotainment screen? So the diagnosis makes sense? I've replaced radios in other cars, so 'm sure I can handle swapping that out to save $1000... does it need programming once installed or is it just plug&play? I just want to make sure it's the right part and that it'll work w/o a dealer computer "blessing" it. I'll try to verify the part with the dealer when they call back.
With that price, they probably mean screen, box, and everything. AFAIK the box needs programming to your VIN to work.
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