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2018 Charger Uconnect Freezing and Black Screen Issues

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Chris P. · rep 0 · May 25, 4:17 AM · 1 replies · solved · Question

Vehicle: 2018 Dodge Charger R/T

My 2018 Dodge Charger R/T's Uconnect 8.4 system has been acting up significantly. It freezes constantly, sometimes goes completely black, and then reboots itself without warning. This is incredibly frustrating, especially when I'm relying on navigation or the backup camera.

I've tried the common soft reset by holding down the volume and tune buttons simultaneously, but it only provides a temporary fix, if any. The problem always returns within a day or two. It's not just an inconvenience; it feels like a safety hazard when the camera suddenly cuts out.

Is this a known issue with the 2018 Charger's Uconnect system? Are there any specific troubleshooting steps I can perform before I have to take it to the dealership? I'm hoping it's something simple like a software glitch or a fuse, but I'm open to suggestions.

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 25, 4:17 AM

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ClearTheCode admin answer:

Uconnect system issues like freezing and black screens are not uncommon across various Stellantis vehicles, including your 2018 Dodge Charger R/T. Here's a breakdown of potential causes and steps to take:

  1. Perform a Hard Reset: While you've tried a soft reset, a hard reset can sometimes clear more persistent glitches. Disconnect the negative terminal of your car battery for 15-20 minutes, then reconnect it. This can fully cycle power to all modules, including Uconnect.

  2. Check for Software Updates: Outdated software is a common cause of Uconnect instability. You can often check for and install updates via Wi-Fi directly through the Uconnect system settings, or by visiting the Mopar Uconnect website with your VIN to see if a USB update is available.

  3. Inspect Fuses: A loose or failing fuse related to the radio or infotainment system can cause intermittent power issues. Consult your owner's manual for the exact fuse location (usually in the fuse box under the hood or in the passenger footwell) and check the relevant fuse for continuity. A blown fuse would prevent operation entirely, but a loose connection could cause flickering.

  4. Causes:

    • Software Glitches: The most common cause, often resolved with updates.
    • Loose Connections: Wiring harnesses behind the radio or to the screen can become loose over time.
    • Faulty Radio/Head Unit Module: The hardware itself can fail, leading to persistent issues.
    • Overheating: Prolonged use or high ambient temperatures can sometimes cause the unit to temporarily malfunction.

  5. When to See a Shop:

    • If software updates and battery resets don't resolve the issue.
    • If you suspect a faulty wiring harness or the head unit itself needs replacement.
    • If the problem is intermittent and difficult to diagnose yourself, as a technician can use diagnostic tools to check for communication errors (U-codes) within the infotainment system.
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