FAULTBASE
Error CodesASKCars
© 2026 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
how to fix the screen on my GMC Sierra T1XX (2019-Present) that won’t turn on - GMC Sierra
Home/Cars/GMC/Sierra/T1XX (2019-Present)/how to fix the screen on my GMC Sierra T1XX (2019-Present) that won’t turn on

how to fix the screen on my GMC Sierra T1XX (2019-Present) that won’t turn on

GMC Sierra T1XX (2019-Present)

Error Codes
1-2 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
492 words

Problem Statement

Learn how to diagnose and fix the infotainment screen issue in your 2019-Present GMC Sierra T1XX. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component
Electrical
Estimated Time
1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect the battery before starting any electrical work

Symptoms

  • •Infotainment screen remains black with no display
  • •No response to touch or button inputs
  • •Audio continues to play without visual display
  • •System settings cannot be accessed
  • •No error messages or notifications on the display

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

  • ✓Test the affected component to ensure it functions correctly
  • ✓Check for any error codes or warning lights
  • ✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

  • •Follow the manufacturer's recommended maintenance schedule
  • •Address warning signs early before they develop into major issues
  • •Use quality parts and fluids recommended for your vehicle
  • •Keep detailed records of all repairs and maintenance

Tools & Equipment Required

  • •OBD-II scanner
  • •Multimeter
  • •Socket set
  • •Trim removal tools

Parts Required

  • •Replacement fuse (if needed)

Additional Information

Affected Component
Electrical
Estimated Time
1-2 hours
Difficulty
medium
Severity
medium
Tools Required
4 items
Parts Required
1 item

Related Faults

Loading...

Share this solution

Comments

Sign in to share your thoughts

Sign In

No comments yet

Be the first to share your thoughts

Back to Generation
Solution
1. Preparation
  • Tools Required:
    • OBD-II scanner
    • Multimeter
    • Socket set
    • Trim removal tools
  • Safety Warnings: Disconnect the battery before starting any electrical work.
2. Check the Fuse
  • Locate the fuse panel, typically found under the dashboard or in the engine compartment.
  • Use the fuse puller tool to remove the fuse for the infotainment system. Consult the owner’s manual for the specific fuse location.
  • Inspect the fuse for continuity; if blown, replace it with a fuse of the same amperage rating.
3. Reset the System
  • Disconnect the negative terminal of the battery using a socket wrench.
  • Wait for at least 10 minutes to allow any residual power to dissipate.
  • Reconnect the negative terminal and ensure it is tightened securely.
4. Inspect Wiring Connections
  • Remove the trim panel surrounding the infotainment screen using trim removal tools.
  • Carefully unscrew and pull out the infotainment unit from the dashboard.
  • Check all wiring harness connections for tightness and any signs of wear or corrosion.
  • Reconnect any loose wires and ensure all connectors are plugged in securely.
5. Reinstall and Test
  • Reinstall the infotainment unit and trim panel in reverse order of removal.
  • Reconnect the battery if disconnected.
  • Start the vehicle and check if the screen powers up and responds.