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2018 Challenger R/T Uconnect Screen Flickering and Glitching

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Mike T. · rep 0 · May 24, 3:18 PM · 1 replies · solved · Question

Vehicle: 2018 Dodge Challenger R/T

Hey everyone, I'm having a really annoying issue with my 2018 Dodge Challenger R/T's Uconnect system. The infotainment screen has started flickering on and off intermittently. Sometimes it just blacks out for a second, and other times it seems to glitch with distorted lines before going back to normal.

It seems to happen randomly, not tied to bumps or specific actions. I've tried restarting the car, and even pulled the fuse for the radio for a few minutes, but the problem persists. The radio still plays, and I can hear navigation commands, but the visual display is unreliable.

Has anyone experienced this with their Challenger or other Dodge models? I'm wondering if it's a software bug, a loose connection, or something more serious with the head unit itself. Any advice before I take it to the dealership would be greatly appreciated!

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 24, 3:18 PM

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ClearTheCode admin answer:

Screen flickering and glitches on Uconnect systems in Dodge vehicles, including your 2018 Challenger R/T, can stem from several electrical or software-related issues. Here's a breakdown of common causes and steps you can take:

  1. Perform a Uconnect Soft Reset:
    • With the vehicle on, press and hold the VOL (volume) and Tune buttons simultaneously for about 10-20 seconds until the screen goes blank and the Uconnect logo reappears. This can often resolve minor software glitches.
  2. Check Battery and Charging System:
    • An unstable power supply can cause electronic components to act erratically. Have your vehicle's battery and alternator tested. A weak battery or fluctuating voltage can lead to screen issues. Most auto parts stores offer free battery and charging system checks.
  3. Inspect Fuses and Connections:
    • While you mentioned pulling the fuse, visually inspect the relevant fuses (usually labeled 'Radio,' 'Infotainment,' or 'Uconnect' in your fuse box diagram) for any signs of corrosion or looseness. Also, check for any obvious loose wiring behind the head unit if you're comfortable doing so, though this often requires panel removal.
  4. Check for Software Updates:
    • Visit the official Uconnect website (driveuconnect.com) and enter your VIN to see if there are any available software updates for your system. Outdated software can sometimes cause display anomalies. You might be able to download and install these via a USB drive.

Common Causes:

  • Software Glitches: The most common cause, often resolved with a soft reset or update.
  • Loose Electrical Connections: Power or data cables to the head unit or screen can become loose over time.
  • Voltage Fluctuations: Issues with the battery, alternator, or ground connections.
  • Failing Head Unit/Display: Less common, but the internal components of the Uconnect unit or the screen itself can degrade.

When to See a Shop: If the soft reset, battery check, and software update don't resolve the flickering, it's time to visit a qualified service technician or a Dodge dealership. They have specialized diagnostic tools (like WiTECH) that can read specific fault codes related to the infotainment module (e.g., U0184 - Lost Communication with Radio) and perform deeper diagnostics to pinpoint whether the issue is with the wiring, the head unit, or another connected module. Persistent flickering can be distracting and indicate a more serious underlying electrical problem.

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