how to fix the rearview camera not working on my GMC Sierra T1XX (2019-Present)

GMC Sierra T1XX (2019-Present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

466 words

Problem Statement

Learn how to diagnose and fix the rearview camera not working on your GMC Sierra T1XX. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to avoid shorts or shocks.

Symptoms

•Rearview camera display is blank or not activating
•"Camera System Unavailable" message on the infotainment screen
•Distorted or flickering camera image
•No grid lines or guidelines displayed on the screen
•Camera image appears but is delayed or choppy

Diagnostic Steps

1
Check the infotainment system settings to ensure the rearview camera is enabled.
2
Inspect the camera lens for dirt, debris, or obstructions that may affect visibility.
3
Scan the vehicle's computer system for any error codes using an OBD-II scanner.
4
Examine the wiring harness and connectors leading to the rearview camera for any signs of damage or corrosion.
5
Test the rearview camera with a multimeter to verify power and ground connections.
6
Inspect the vehicle's fuse box for any blown fuses related to the rearview camera system.

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
•Screwdriver set
•Soft cloth for cleaning

Parts Required

•Replacement rearview camera (if necessary)
•Wiring harness (if damaged)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Check the infotainment system settings to ensure the rearview camera is enabled.
2
Inspect the camera lens for dirt, debris, or obstructions that may affect visibility.
3
Scan the vehicle's computer system for any error codes using an OBD-II scanner.
4
Examine the wiring harness and connectors leading to the rearview camera for any signs of damage or corrosion.
5
Test the rearview camera with a multimeter to verify power and ground connections.
6
Inspect the vehicle's fuse box for any blown fuses related to the rearview camera system.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and set to "Park."
Disconnect the battery to eliminate any electrical hazards.

2. Inspect and Clean the Camera

Remove any obstructions from the camera lens using a soft cloth.
If the lens is damaged, proceed to replace the camera.

3. Check Wiring and Connections

Reconnect the battery.
Locate the rearview camera wiring harness.
Inspect for damaged wires or corroded connectors.
Repair or replace damaged wiring or connectors as necessary.

4. Replace the Camera (if needed)

Remove the rearview camera from its housing (usually involves unscrewing or unclipping).
Disconnect the camera wiring harness.
Connect the new camera wiring harness and secure the new camera into place.

5. Reassemble and Test

Reconnect the battery.
Start the vehicle and shift into reverse to check if the camera activates.
Ensure the camera display is clear and functioning properly.