The largest online repair guide library for every car

About us
Contact support
FAQ
Sign up
Sign in

2018 Lexus RX 350 F Sport Infotainment Screen Flickering and Unresponsive

0

Mike T. · rep 0 · May 24, 2:29 PM · 1 replies · solved · Question

Vehicle: 2018 Lexus RX 350 F Sport

Hey everyone, I'm having a really frustrating issue with my 2018 Lexus RX 350 F Sport. Lately, the infotainment screen has started flickering on and off intermittently, and sometimes it becomes completely unresponsive to touch or even the remote touch controller.

It's making it impossible to use navigation, audio controls, or even adjust vehicle settings. I've tried restarting the car multiple times, but the problem persists. Is this a known issue with this model year or generation of RX?

Has anyone else experienced this? Are there any common DIY fixes I should try before taking it to the dealership? I'm hoping it's something simple like a fuse or a software glitch rather than a full screen replacement.

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 24, 2:29 PM

0

ClearTheCode admin answer:

Flickering or unresponsive infotainment screens can be a frustrating issue, and it's not uncommon across various vehicle manufacturers, including Lexus. For your 2018 Lexus RX 350 F Sport, there are several potential causes and troubleshooting steps to consider before a costly repair.

Potential Causes:

  1. Software Glitch: Often, a temporary software bug can cause display issues. A hard reset can sometimes resolve this.
  2. Loose Connections: The cables connecting the display unit to the main head unit or power source might be loose or corroded.
  3. Hardware Failure: The display panel itself, the touch digitizer, or the graphics processing unit within the infotainment system could be failing.
  4. Power Supply Issue: A faulty fuse or a problem with the vehicle's electrical system supplying power to the infotainment unit.
  5. Thermal Issues: Overheating of the unit can sometimes cause intermittent problems.

Troubleshooting Steps:

  1. Perform a Hard Reset: Turn off the vehicle, open the driver's door, close it, and wait about 5-10 minutes. This allows the system to power down fully. Restart the car and check if the issue persists.
  2. Check Fuses: Locate the fuse box (usually under the hood or in the passenger footwell) and identify the fuse for the infotainment system (check your owner's manual). Inspect it for signs of being blown and replace if necessary. A blown fuse indicates an electrical surge or short, which might warrant further investigation.
  3. Update Software: If available, check for any pending software updates for your infotainment system. Sometimes, dealers can perform these updates.
  4. Inspect Connections (Advanced): If you're comfortable, you might be able to access the back of the infotainment unit to check for loose cables, but this often requires specialized tools and knowledge. It's generally best left to a professional.

When to See a Shop: If the issue persists after trying the above steps, or if you're uncomfortable performing any of the DIY checks, it's time to visit a qualified Lexus service center. They have diagnostic tools that can read specific codes related to the infotainment system (beyond standard OBD-II codes) and perform a thorough inspection. They can determine if it's a faulty screen, a wiring harness issue, or a problem with the main head unit. Be prepared for potential replacement costs if it's a hardware failure, as these components can be expensive.

Menu

Help & account