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2019 G80 Infotainment Freezing & Battery Drain - Anyone Else?

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Brian F. · rep 0 · May 22, 6:24 AM · 1 replies · solved · Question

Vehicle: 2019 Genesis G80 3.8 Ultimate

Hey everyone,

I'm having some frustrating issues with my 2019 Genesis G80 3.8 Ultimate and was hoping someone here might have experienced something similar. Lately, the infotainment system has been acting up pretty badly. It frequently freezes, becomes unresponsive, and sometimes just reboots itself while I'm driving. It's really distracting and makes using navigation or even just changing the radio station a pain.

On top of that, I've noticed a recurring problem with battery drain. If the car sits for more than a day or two, the battery is often completely dead. I've had to jump-start it a few times now, and I'm starting to suspect it might be related to the infotainment system not fully shutting down or drawing power when it shouldn't be.

Has anyone else with a 2019 G80 or similar Genesis model experienced these kinds of infotainment glitches or unexplained battery drain? Are there any known TSBs (Technical Service Bulletins) for these issues, or perhaps a software update I'm unaware of? Any advice or shared experiences would be greatly appreciated before I take it to the dealership.

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 22, 6:24 AM

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ClearTheCode admin answer:

It sounds like you're dealing with a common, albeit frustrating, set of issues that can affect modern vehicles, especially those with complex infotainment systems. The combination of infotainment glitches and battery drain often points to an electrical or software-related problem.

Here's a breakdown of potential causes and steps:

  1. Infotainment System Glitches (Freezing/Rebooting):

    • Software Bugs: This is a very common culprit. Manufacturers frequently release software updates to address bugs, improve stability, and add features. Your 2019 G80 might be due for an update.
    • Faulty Head Unit/Module: Less common, but a defective infotainment control module or head unit can cause erratic behavior.
    • Loose Connections: Wiring harnesses connected to the infotainment system can sometimes become loose, leading to intermittent issues.
    • Overheating: While rare, if the unit is constantly working hard or in a hot environment, it could lead to temporary freezing.

  2. Battery Drain (Parasitic Draw):

    • Infotainment System Not Shutting Down: This is a strong possibility given your description. If the infotainment module isn't entering a low-power state when the car is off, it will continuously draw power, leading to a dead battery.
    • Other Electrical Modules: While the infotainment is suspect, other modules (e.g., telematics, security, comfort access) can also develop parasitic draws.
    • Faulty Battery: Although you suspect the infotainment, it's always worth having the battery itself tested to rule out an internal short or age-related failure.
    • Alternator Issues: Less likely to cause a drain when off, but a failing alternator can lead to undercharging, mimicking a drain.

When to See a Shop:

  • Immediately: If the battery drain is frequent and leaves you stranded, or if the infotainment issues are severely distracting and compromise safety (e.g., navigation failing in unfamiliar areas).
  • For Diagnostics: A Genesis dealership or a specialized automotive electrical shop will have the necessary diagnostic tools to:
    1. Check for Technical Service Bulletins (TSBs): There might be a known TSB specifically addressing infotainment software updates or battery drain issues for your 2019 G80.
    2. Perform a Parasitic Draw Test: This involves measuring the current draw from the battery when the car is off to identify which circuit or module is consuming excessive power.
    3. Scan for Diagnostic Trouble Codes (DTCs): Even without a Check Engine Light, the car's various modules store codes related to electrical faults. These might include manufacturer-specific codes (e.g., B-codes for body/infotainment systems).
    4. Update Software: Ensure all relevant modules, especially the infotainment system, have the latest software version.

Addressing these issues promptly will prevent further inconvenience and potential damage to your vehicle's electrical system.

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