Dead infotainment screen (and it's COLD)
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Thread: Dead infotainment screen (and it's COLD)

  1. #1
    Join Date
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    Default Dead infotainment screen (and it's COLD)

    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).
    Last edited by flyingsherpa; 4 Weeks Ago at 07:33 PM.
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  2. #2
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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)
    Last edited by canehdian; 4 Weeks Ago at 12:40 PM.
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    Extremely cold and can only use engine?
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  3. #3
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    I'd do a negative 12v battery cable disconnect for a few minutes. If that don't fix it, off to the dealer.
    2013 White Diamond, "Hal" Black leather w/white accents, Bose

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  5. #4
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    Yeah, the 12v battery suggestion is a good one. I'd think it's more likely cold weather might do a number on the battery though once the Volt is running the 12v should be charged from the pack. How old is the 12v?

  6. #5
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    12V is original, so it's a bit over 3 years old (which also means I'm just outside of my B2B warranty, sigh). No other weirdness noted so far, but display is still dead this morning. I tried using Auto to get heat, but it seems to choose different vents than I'd want, so it's making my windshield warm but not blowing much at me.

    I'll try the 12V disconnect tonight, thanks for the idea.
    2013 Summit White with comfort package. Picked up 9/6/13.
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  7. #6
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    The 12V disconnect worked for me (mine was the instrument panel display screen).

    http://gm-volt.com/forum/showthread....splay-Went-Out
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  8. #7
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    Update: I tried the 12V disconnect for > 10 minutes and it did nothing. Car is at dealer today so hopefully I'll know more soon.

    Fun fact: while messing around with the buttons on a recent drive, I could repeatedly get the doors to lock/unlock by holding down the large radio power button for a few seconds. This seemed to only work at lower speeds. I tried it again on a later drive and it no longer did this. Would love to know what the heck was going on there...
    2013 Summit White with comfort package. Picked up 9/6/13.
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  9. #8
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    90% chance it's the 12v battery. Many Volts sat for a long time before being sold, long enough to let the 12v battery drain too low to fully recover.

    7.5% chance it's a poorly-connected ground.

    2.5% chance there's an aftermarket accessory causing a ground loop or electrical interference.
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  10. #9
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    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?
    2014 KoniVolt-1, AshGrey , Base
    2013 KoniVolt-2, Black on Black Premium

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  12. #10
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    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.
    Last edited by flyingsherpa; 1 Week Ago at 12:09 PM.
    2013 Summit White with comfort package. Picked up 9/6/13.
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